X-Git-Url: http://nitlanguage.org

diff --git a/c_src/typing._sep.c b/c_src/typing._sep.c
index 209b1c1..37088e4 100644
--- a/c_src/typing._sep.c
+++ b/c_src/typing._sep.c
@@ -1,8375 +1,11663 @@
 /* This C file is generated by NIT to compile module typing. */
 #include "typing._sep.h"
-void typing___MMSrcModule___do_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 25, LOCATE_typing___MMSrcModule___do_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = NEW_TypingVisitor_typing___TypingVisitor___init( variable[1] /*tc*/, variable[0]) /*new TypingVisitor*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___MMSrcModule___node(variable[0])(variable[0]) /*MMSrcModule::node*/;
-  CALL_parser_prod___Visitor___visit( variable[3] /*tv*/)( variable[3] /*tv*/, variable[4]) /*TypingVisitor::visit*/;
-  return_label0: while(false);
-  tracehead = trace.prev;
+void typing___MMSrcModule___do_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 25;
+  fra.me.meth = LOCATE_typing___MMSrcModule___do_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:29 */
+  fra.me.REG[1] = NEW_TypingVisitor_typing___TypingVisitor___init(fra.me.REG[1], fra.me.REG[0]);
+  /* ./syntax//typing.nit:30 */
+  fra.me.REG[0] = CALL_syntax_base___MMSrcModule___node(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___TypingVisitor___visit(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 41, LOCATE_typing___TypingVisitor___visit};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[1] /*n*/ ==  NIT_NULL /*null*/) || (( variable[1] /*n*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[1] /*n*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[1] /*n*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[1] /*n*/)( variable[1] /*n*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    CALL_typing___PNode___accept_typing( variable[1] /*n*/)( variable[1] /*n*/, variable[0]) /*PNode::accept_typing*/;
-  }
-  return_label1: while(false);
-  tracehead = trace.prev;
+void typing___TypingVisitor___visit(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 41;
+  fra.me.meth = LOCATE_typing___TypingVisitor___visit;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:43 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 43);
+    }
+    CALL_typing___ANode___accept_typing(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  }
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___variable_ctx(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 46, LOCATE_typing___TypingVisitor___variable_ctx};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___TypingVisitor____variable_ctx( self) /*TypingVisitor::_variable_ctx*/;
-}
-void typing___TypingVisitor___variable_ctx__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 46, LOCATE_typing___TypingVisitor___variable_ctx__eq};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  ATTR_typing___TypingVisitor____variable_ctx( self) /*TypingVisitor::_variable_ctx*/ =  param0;
-  tracehead = trace.prev;
+val_t typing___TypingVisitor___scope_ctx(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 46;
+  fra.me.meth = LOCATE_typing___TypingVisitor___scope_ctx;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:46 */
+  REGB0 = TAG_Bool(ATTR_typing___TypingVisitor____scope_ctx(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_scope_ctx", LOCATE_typing, 46);
+  }
+  fra.me.REG[0] = ATTR_typing___TypingVisitor____scope_ctx(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___TypingVisitor___flow_ctx(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 49;
+  fra.me.meth = LOCATE_typing___TypingVisitor___flow_ctx;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:50 */
+  fra.me.REG[0] = ATTR_typing___TypingVisitor____flow_ctx(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 50);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___TypingVisitor___flow_ctx__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 51;
+  fra.me.meth = LOCATE_typing___TypingVisitor___flow_ctx__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:51 */
+  ATTR_typing___TypingVisitor____flow_ctx(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___base_variable_ctx(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 49, LOCATE_typing___TypingVisitor___base_variable_ctx};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___TypingVisitor____base_variable_ctx( self) /*TypingVisitor::_base_variable_ctx*/;
-}
-void typing___TypingVisitor___base_variable_ctx__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 49, LOCATE_typing___TypingVisitor___base_variable_ctx__eq};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  ATTR_typing___TypingVisitor____base_variable_ctx( self) /*TypingVisitor::_base_variable_ctx*/ =  param0;
-  tracehead = trace.prev;
+void typing___TypingVisitor___mark_is_set(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 53;
+  fra.me.meth = LOCATE_typing___TypingVisitor___mark_is_set;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:56 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_flow___FlowContext___is_set(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:57 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_flow___FlowContext___sub_setvariable(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___escapable_ctx(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 52, LOCATE_typing___TypingVisitor___escapable_ctx};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___TypingVisitor____escapable_ctx( self) /*TypingVisitor::_escapable_ctx*/;
-}
-void typing___TypingVisitor___escapable_ctx__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 52, LOCATE_typing___TypingVisitor___escapable_ctx__eq};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  ATTR_typing___TypingVisitor____escapable_ctx( self) /*TypingVisitor::_escapable_ctx*/ =  param0;
-  tracehead = trace.prev;
+void typing___TypingVisitor___mark_unreash(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 60;
+  fra.me.meth = LOCATE_typing___TypingVisitor___mark_unreash;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:63 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_flow___FlowContext___sub_unreash(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___self_var(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 55, LOCATE_typing___TypingVisitor___self_var};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___TypingVisitor____self_var( self) /*TypingVisitor::_self_var*/;
-}
-void typing___TypingVisitor___self_var__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 55, LOCATE_typing___TypingVisitor___self_var__eq};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  ATTR_typing___TypingVisitor____self_var( self) /*TypingVisitor::_self_var*/ =  param0;
-  tracehead = trace.prev;
+void typing___TypingVisitor___enter_visit_block(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 66;
+  fra.me.meth = LOCATE_typing___TypingVisitor___enter_visit_block;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:69 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:70 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_scope___ScopeContext___push(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[1]);
+  /* ./syntax//typing.nit:71 */
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:72 */
+  fra.me.REG[0] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_scope___ScopeContext___pop(fra.me.REG[0])(fra.me.REG[0]);
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___top_block(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 58, LOCATE_typing___TypingVisitor___top_block};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___TypingVisitor____top_block( self) /*TypingVisitor::_top_block*/;
-}
-void typing___TypingVisitor___top_block__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 58, LOCATE_typing___TypingVisitor___top_block__eq};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  ATTR_typing___TypingVisitor____top_block( self) /*TypingVisitor::_top_block*/ =  param0;
-  tracehead = trace.prev;
+val_t typing___TypingVisitor___base_flow_ctx(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 75;
+  fra.me.meth = LOCATE_typing___TypingVisitor___base_flow_ctx;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:76 */
+  fra.me.REG[0] = ATTR_typing___TypingVisitor____base_flow_ctx(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 76);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___TypingVisitor___base_flow_ctx__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 77;
+  fra.me.meth = LOCATE_typing___TypingVisitor___base_flow_ctx__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:77 */
+  ATTR_typing___TypingVisitor____base_flow_ctx(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___explicit_super_init_calls(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 61, LOCATE_typing___TypingVisitor___explicit_super_init_calls};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___TypingVisitor____explicit_super_init_calls( self) /*TypingVisitor::_explicit_super_init_calls*/;
-}
-void typing___TypingVisitor___explicit_super_init_calls__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 61, LOCATE_typing___TypingVisitor___explicit_super_init_calls__eq};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  ATTR_typing___TypingVisitor____explicit_super_init_calls( self) /*TypingVisitor::_explicit_super_init_calls*/ =  param0;
-  tracehead = trace.prev;
+val_t typing___TypingVisitor___self_var(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 79;
+  fra.me.meth = LOCATE_typing___TypingVisitor___self_var;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:80 */
+  fra.me.REG[0] = ATTR_typing___TypingVisitor____self_var(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 80);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___TypingVisitor___self_var__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 81;
+  fra.me.meth = LOCATE_typing___TypingVisitor___self_var__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:81 */
+  ATTR_typing___TypingVisitor____self_var(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___explicit_other_init_call(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 64, LOCATE_typing___TypingVisitor___explicit_other_init_call};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___TypingVisitor____explicit_other_init_call( self) /*TypingVisitor::_explicit_other_init_call*/;
-}
-void typing___TypingVisitor___explicit_other_init_call__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 64, LOCATE_typing___TypingVisitor___explicit_other_init_call__eq};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  ATTR_typing___TypingVisitor____explicit_other_init_call( self) /*TypingVisitor::_explicit_other_init_call*/ =  param0;
-  tracehead = trace.prev;
+val_t typing___TypingVisitor___top_block(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 83;
+  fra.me.meth = LOCATE_typing___TypingVisitor___top_block;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:83 */
+  fra.me.REG[0] = ATTR_typing___TypingVisitor____top_block(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___TypingVisitor___top_block__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 83;
+  fra.me.meth = LOCATE_typing___TypingVisitor___top_block__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:83 */
+  ATTR_typing___TypingVisitor____top_block(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___TypingVisitor___use_if_true_variable_ctx(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 67, LOCATE_typing___TypingVisitor___use_if_true_variable_ctx};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___PExpr___if_true_variable_ctx( variable[1] /*e*/)( variable[1] /*e*/) /*PExpr::if_true_variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[3] /*ctx*/ ==  NIT_NULL /*null*/) || (( variable[3] /*ctx*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*ctx*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*ctx*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*ctx*/)( variable[3] /*ctx*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    CALL_typing___TypingVisitor___variable_ctx__eq(variable[0])(variable[0],  variable[3] /*ctx*/) /*TypingVisitor::variable_ctx=*/;
-  }
-  return_label2: while(false);
-  tracehead = trace.prev;
+val_t typing___TypingVisitor___explicit_super_init_calls(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 86;
+  fra.me.meth = LOCATE_typing___TypingVisitor___explicit_super_init_calls;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:86 */
+  fra.me.REG[0] = ATTR_typing___TypingVisitor____explicit_super_init_calls(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___TypingVisitor___explicit_super_init_calls__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 86;
+  fra.me.meth = LOCATE_typing___TypingVisitor___explicit_super_init_calls__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:86 */
+  ATTR_typing___TypingVisitor____explicit_super_init_calls(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___TypingVisitor___use_if_false_variable_ctx(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 74, LOCATE_typing___TypingVisitor___use_if_false_variable_ctx};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___PExpr___if_false_variable_ctx( variable[1] /*e*/)( variable[1] /*e*/) /*PExpr::if_false_variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[3] /*ctx*/ ==  NIT_NULL /*null*/) || (( variable[3] /*ctx*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*ctx*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*ctx*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*ctx*/)( variable[3] /*ctx*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    CALL_typing___TypingVisitor___variable_ctx__eq(variable[0])(variable[0],  variable[3] /*ctx*/) /*TypingVisitor::variable_ctx=*/;
-  }
-  return_label3: while(false);
-  tracehead = trace.prev;
+val_t typing___TypingVisitor___explicit_other_init_call(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 89;
+  fra.me.meth = LOCATE_typing___TypingVisitor___explicit_other_init_call;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:89 */
+  REGB0 = TAG_Bool(ATTR_typing___TypingVisitor____explicit_other_init_call(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_explicit_other_init_call", LOCATE_typing, 89);
+  }
+  REGB0 = ATTR_typing___TypingVisitor____explicit_other_init_call(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+void typing___TypingVisitor___explicit_other_init_call__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 89;
+  fra.me.meth = LOCATE_typing___TypingVisitor___explicit_other_init_call__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  REGB0 = p1;
+  /* ./syntax//typing.nit:89 */
+  ATTR_typing___TypingVisitor____explicit_other_init_call(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___once_count(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 81, LOCATE_typing___TypingVisitor___once_count};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___TypingVisitor____once_count( self) /*TypingVisitor::_once_count*/;
-}
-void typing___TypingVisitor___once_count__eq(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 81, LOCATE_typing___TypingVisitor___once_count__eq};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  ATTR_typing___TypingVisitor____once_count( self) /*TypingVisitor::_once_count*/ =  param0;
-  tracehead = trace.prev;
+void typing___TypingVisitor___use_if_true_flow_ctx(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 92;
+  fra.me.meth = LOCATE_typing___TypingVisitor___use_if_true_flow_ctx;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:95 */
+  fra.me.REG[1] = CALL_typing___AExpr___if_true_flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:96 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  }
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___TypingVisitor___init(val_t  self, val_t  param0, val_t  param1, int* init_table) {
-  struct trace_t trace = {NULL, NULL, 84, LOCATE_typing___TypingVisitor___init};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  if (init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_TypingVisitor].i]) return;
-  /* Register variable[3]: Method return value and escape marker */
-  CALL_syntax_base___AbsSyntaxVisitor___init(variable[0])(variable[0], variable[1], variable[2], init_table /*YYY*/) /*AbsSyntaxVisitor::init*/;
-  return_label4: while(false);
-  init_table[VAL2OBJ(variable[0])->vft[INIT_TABLE_POS_TypingVisitor].i] = 1;
-  tracehead = trace.prev;
+void typing___TypingVisitor___use_if_false_flow_ctx(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 99;
+  fra.me.meth = LOCATE_typing___TypingVisitor___use_if_false_flow_ctx;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:102 */
+  fra.me.REG[1] = CALL_typing___AExpr___if_false_flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:103 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  }
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___TypingVisitor___get_default_constructor_for(val_t  self, val_t  param0, val_t  param1, val_t  param2) {
-  struct trace_t trace = {NULL, NULL, 86, LOCATE_typing___TypingVisitor___get_default_constructor_for};
-        static val_t once_value_7; static int once_bool_7; /* Once value for variable[16]*/
-          static val_t once_value_8 = NIT_NULL; /* Once value for string variable[16]*/
-        static val_t once_value_10 = NIT_NULL; /* Once value for string variable[14]*/
-        static val_t once_value_11 = NIT_NULL; /* Once value for string variable[14]*/
-        static val_t once_value_12 = NIT_NULL; /* Once value for string variable[14]*/
-      static val_t once_value_13 = NIT_NULL; /* Once value for string variable[11]*/
-      static val_t once_value_14 = NIT_NULL; /* Once value for string variable[11]*/
-      static val_t once_value_15 = NIT_NULL; /* Once value for string variable[11]*/
-      static val_t once_value_16 = NIT_NULL; /* Once value for string variable[11]*/
-          static val_t once_value_18 = NIT_NULL; /* Once value for string variable[14]*/
-          static val_t once_value_19 = NIT_NULL; /* Once value for string variable[14]*/
-          static val_t once_value_20 = NIT_NULL; /* Once value for string variable[14]*/
-        static val_t once_value_21 = NIT_NULL; /* Once value for string variable[11]*/
-        static val_t once_value_22 = NIT_NULL; /* Once value for string variable[11]*/
-        static val_t once_value_23 = NIT_NULL; /* Once value for string variable[11]*/
-        static val_t once_value_24 = NIT_NULL; /* Once value for string variable[11]*/
-        static val_t once_value_25 = NIT_NULL; /* Once value for string variable[10]*/
-        static val_t once_value_26 = NIT_NULL; /* Once value for string variable[10]*/
-  val_t variable[17];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Local variable */
-  variable[3] =  param2;
-  /* Register variable[4]: Method return value and escape marker */
-  /* Register variable[5]: Local variable */
-  variable[5] = variable[0];
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = NEW_Array_array___Array___init() /*new Array[MMMethod]*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Local variable */
-  /* Register variable[8]: Result */
-  variable[8] = NEW_Array_array___Array___init() /*new Array[MMMethod]*/;
-  variable[7] = variable[8];
-  /* Register variable[8]: Local variable */
-  /* Register variable[9]: Result */
-  variable[9] = CALL_static_type___MMLocalProperty___signature( variable[3] /*prop*/)( variable[3] /*prop*/) /*MMLocalProperty::signature*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_static_type___MMSignature___arity(variable[9])(variable[9]) /*MMSignature::arity*/;
-  variable[8] = variable[9];
-  /* Register variable[9]: Result */
-  variable[9] = CALL_abstractmetamodel___MMLocalClass___global_properties( variable[2] /*c*/)( variable[2] /*c*/) /*MMLocalClass::global_properties*/;
-  /* Register variable[9]: For iterator */
-  variable[9] = CALL_abstract_collection___Collection___iterator(variable[9])(variable[9]) /*Collection::iterator*/;
-  while (true) { /*for*/
-    /* Register variable[10]: For 'is_ok' result */
-    variable[10] = CALL_abstract_collection___Iterator___is_ok(variable[9])(variable[9]) /*Iterator::is_ok*/;
-    if (!UNTAG_Bool(variable[10])) break; /*for*/
-    variable[10] = CALL_abstract_collection___Iterator___item(variable[9])(variable[9]) /*Iterator::item*/ /* Ensure var: For item*/;
-    /* Register variable[11]: Local variable */
-    variable[11] = variable[10];
-    /* Register variable[12]: Result */
-    variable[12] = CALL_abstractmetamodel___MMGlobalProperty___is_init_for( variable[11] /*g*/)( variable[11] /*g*/,  variable[2] /*c*/) /*MMGlobalProperty::is_init_for*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[12])))) { /*if*/
-      goto continue_6;
-    }
-    /* Register variable[12]: Local variable */
-    /* Register variable[13]: Result */
-    variable[13] = CALL_abstractmetamodel___MMLocalClass_____bra( variable[2] /*c*/)( variable[2] /*c*/,  variable[11] /*g*/) /*MMLocalClass::[]*/;
-    variable[12] = variable[13];
-    /* Register variable[13]: Local variable */
-    /* Register variable[14]: Result */
-    variable[14] = CALL_static_type___MMLocalClass___get_type( variable[2] /*c*/)( variable[2] /*c*/) /*MMLocalClass::get_type*/;
-    /* Register variable[14]: Result */
-    variable[14] = CALL_static_type___MMLocalProperty___signature_for( variable[12] /*gp*/)( variable[12] /*gp*/, variable[14]) /*MMLocalProperty::signature_for*/;
-    variable[13] = variable[14];
-    /* Register variable[14]: Result */
-    variable[14] = TAG_Bool(( variable[12] /*gp*/==NIT_NULL) || VAL_ISA( variable[12] /*gp*/, COLOR_MMSrcMethod, ID_MMSrcMethod)) /*cast MMSrcMethod*/;
-    if (!UNTAG_Bool(variable[14])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_typing___TypingVisitor___get_default_constructor_for, LOCATE_typing, 98); nit_exit(1);}
-    /* Register variable[14]: Local variable */
-    /* Register variable[15]: Result */
-    variable[15] = CALL_static_type___MMSignature___arity( variable[13] /*gps*/)( variable[13] /*gps*/) /*MMSignature::arity*/;
-    variable[14] = variable[15];
-    /* Register variable[15]: Result */
-    variable[15] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[3] /*prop*/ ==  NIT_NULL /*null*/) || (( variable[3] /*prop*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*prop*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*prop*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*prop*/)( variable[3] /*prop*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-    /* Ensure var variable[15]: Left 'and' operand*/
-    if (UNTAG_Bool(variable[15])) { /* and */
-      /* Register variable[15]: Result */
-      variable[15] = CALL_abstractmetamodel___MMLocalProperty___name( variable[12] /*gp*/)( variable[12] /*gp*/) /*MMLocalProperty::name*/;
-      /* Register variable[16]: Result */
-      variable[16] = CALL_abstractmetamodel___MMLocalProperty___name( variable[3] /*prop*/)( variable[3] /*prop*/) /*MMLocalProperty::name*/;
-      /* Register variable[15]: Result */
-      variable[15] = TAG_Bool((variable[15] == variable[16]) || ((variable[15] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[15])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[15],variable[16])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[15])(variable[15], variable[16]) /*Object::==*/)))));
-    }
-    /* Register variable[15]: Result */
-    if (UNTAG_Bool(variable[15])) { /*if*/
-      /* Register variable[15]: Result */
-      variable[15] = TAG_Bool(( variable[14] /*garity*/)==( TAG_Int(0)));
-      /* Ensure var variable[15]: Left 'or' operand*/
-      if (!UNTAG_Bool(variable[15])) { /* or */
-        /* Register variable[15]: Result */
-        variable[15] = TAG_Bool(( variable[8] /*parity*/)==( variable[14] /*garity*/));
-        /* Ensure var variable[15]: Left 'and' operand*/
-        if (UNTAG_Bool(variable[15])) { /* and */
-          /* Register variable[15]: Result */
-          variable[15] = CALL_static_type___MMLocalProperty___signature( variable[3] /*prop*/)( variable[3] /*prop*/) /*MMLocalProperty::signature*/;
-          /* Register variable[15]: Result */
-          variable[15] = CALL_static_type___MMSignature_____l(variable[15])(variable[15],  variable[13] /*gps*/) /*MMSignature::<*/;
-        }
-        /* Register variable[15]: Result */
-      }
-      /* Register variable[15]: Result */
-      if (UNTAG_Bool(variable[15])) { /*if*/
-        variable[4] =  variable[12] /*gp*/;
-        goto return_label5;
-      } else { /*if*/
-        CALL_abstract_collection___SimpleCollection___add( variable[7] /*false_candidates*/)( variable[7] /*false_candidates*/,  variable[12] /*gp*/) /*AbstractArray::add*/;
+val_t typing___TypingVisitor___is_default_closure_definition(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 106;
+  fra.me.meth = LOCATE_typing___TypingVisitor___is_default_closure_definition;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:106 */
+  REGB0 = TAG_Bool(ATTR_typing___TypingVisitor____is_default_closure_definition(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_is_default_closure_definition", LOCATE_typing, 106);
+  }
+  REGB0 = ATTR_typing___TypingVisitor____is_default_closure_definition(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+void typing___TypingVisitor___is_default_closure_definition__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 106;
+  fra.me.meth = LOCATE_typing___TypingVisitor___is_default_closure_definition__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  REGB0 = p1;
+  /* ./syntax//typing.nit:106 */
+  ATTR_typing___TypingVisitor____is_default_closure_definition(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
+  return;
+}
+val_t typing___TypingVisitor___once_count(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 109;
+  fra.me.meth = LOCATE_typing___TypingVisitor___once_count;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:109 */
+  REGB0 = TAG_Bool(ATTR_typing___TypingVisitor____once_count(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_once_count", LOCATE_typing, 109);
+  }
+  REGB0 = ATTR_typing___TypingVisitor____once_count(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+void typing___TypingVisitor___once_count__eq(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 109;
+  fra.me.meth = LOCATE_typing___TypingVisitor___once_count__eq;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  REGB0 = p1;
+  /* ./syntax//typing.nit:109 */
+  ATTR_typing___TypingVisitor____once_count(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void typing___TypingVisitor___init(val_t p0, val_t p1, val_t p2, int* init_table){
+  int itpos0 = VAL2OBJ(p0)->vft[INIT_TABLE_POS_TypingVisitor].i;
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  if (init_table[itpos0]) return;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 112;
+  fra.me.meth = LOCATE_typing___TypingVisitor___init;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  /* ./syntax//typing.nit:112 */
+  CALL_syntax_base___AbsSyntaxVisitor___init(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], init_table);
+  stack_frame_head = fra.me.prev;
+  init_table[itpos0] = 1;
+  return;
+}
+val_t typing___TypingVisitor___get_default_constructor_for(val_t p0, val_t p1, val_t p2, val_t p3){
+  struct {struct stack_frame_t me; val_t MORE_REG[10];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+          static val_t once_value_6; /* Once value */
+          static val_t once_value_7; /* Once value */
+          static val_t once_value_8; /* Once value */
+      static val_t once_value_10; /* Once value */
+      static val_t once_value_11; /* Once value */
+      static val_t once_value_12; /* Once value */
+      static val_t once_value_13; /* Once value */
+            static val_t once_value_14; /* Once value */
+            static val_t once_value_15; /* Once value */
+            static val_t once_value_16; /* Once value */
+        static val_t once_value_18; /* Once value */
+        static val_t once_value_19; /* Once value */
+        static val_t once_value_20; /* Once value */
+        static val_t once_value_21; /* Once value */
+        static val_t once_value_22; /* Once value */
+        static val_t once_value_23; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 114;
+  fra.me.meth = LOCATE_typing___TypingVisitor___get_default_constructor_for;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 11;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[9] = NIT_NULL;
+  fra.me.REG[10] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  fra.me.REG[3] = p3;
+  /* ./syntax//typing.nit:119 */
+  fra.me.REG[4] = NEW_Array_array___Array___init();
+  /* ./syntax//typing.nit:120 */
+  fra.me.REG[5] = NEW_Array_array___Array___init();
+  /* ./syntax//typing.nit:121 */
+  fra.me.REG[6] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 121);
+  }
+  REGB0 = CALL_static_type___MMSignature___arity(fra.me.REG[6])(fra.me.REG[6]);
+  fra.me.REG[6] = REGB0;
+  /* ./syntax//typing.nit:122 */
+  fra.me.REG[7] = CALL_abstractmetamodel___MMLocalClass___global_properties(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[7])(fra.me.REG[7], (&(fra.me)), ((fun_t)OC_typing___TypingVisitor___get_default_constructor_for_1));
+  switch ((&(fra.me))->has_broke) {
+    case 0: break;
+    case 1: (&(fra.me))->has_broke = 0; goto label5;
+  }
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+  /* ./syntax//typing.nit:141 */
+  REGB1 = TAG_Int(1);
+  REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB1 = TAG_Bool((REGB0)==(REGB1));
+    /* ./syntax//typing.nit:141 */
+    REGB2 = REGB1;
+  }
+  if (UNTAG_Bool(REGB2)) {
+    /* ./syntax//typing.nit:142 */
+    fra.me.REG[3] = CALL_abstract_collection___Collection___first(fra.me.REG[4])(fra.me.REG[4]);
+    fra.me.REG[7] = fra.me.REG[3];
+    goto label5;
+  } else {
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+    /* ./syntax//typing.nit:143 */
+    REGB1 = TAG_Int(0);
+    /* ./../lib/standard//kernel.nit:214 */
+    REGB1 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB1));
+    /* ./syntax//typing.nit:143 */
+    if (UNTAG_Bool(REGB1)) {
+      /* ./syntax//typing.nit:144 */
+      fra.me.REG[3] = NEW_Array_array___Array___init();
+      /* ./../lib/standard//collection//array.nit:234 */
+      REGB1 = TAG_Int(0);
+      /* ./../lib/standard//collection//array.nit:235 */
+      REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
       }
-    } else { /*if*/
-      /* Register variable[15]: Result */
-      variable[15] = TAG_Bool(( variable[14] /*garity*/)==( TAG_Int(0)));
-      /* Ensure var variable[15]: Left 'and' operand*/
-      if (UNTAG_Bool(variable[15])) { /* and */
-        /* Register variable[15]: Result */
-        variable[15] = CALL_abstractmetamodel___MMLocalProperty___name( variable[12] /*gp*/)( variable[12] /*gp*/) /*MMLocalProperty::name*/;
-        /* Register variable[16]: Once expression result */
-        if (once_bool_7) variable[16] = once_value_7;
-        else {
-          /* Register variable[16]: Once String constant */
-          if (once_value_8 != NIT_NULL) variable[16] = once_value_8;
-          else {
-            variable[16] = NEW_String_string___String___with_native(BOX_NativeString("init"), TAG_Int(4)) /*new String*/;
-            once_value_8 = variable[16];
+      REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+      /* ./../lib/standard//collection//array.nit:236 */
+      fra.me.REG[6] = ATTR_array___Array____items(fra.me.REG[4]);
+      /* ./../lib/standard//collection//array.nit:237 */
+      while(1) {
+        /* ./../lib/standard//collection//array.nit:23 */
+        REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+        }
+        REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+        /* ./../lib/standard//collection//array.nit:237 */
+        if (UNTAG_Bool(REGB2)) {
+          /* ./../lib/standard//collection//array.nit:238 */
+          REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+            nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+          }
+          /* ./../lib/standard//collection//array.nit:654 */
+          fra.me.REG[8] = ((Nit_NativeArray)fra.me.REG[6])->val[UNTAG_Int(REGB1)];
+          /* ./syntax//typing.nit:146 */
+          REGB2 = TAG_Int(5);
+          fra.me.REG[9] = NEW_Array_array___Array___with_capacity(REGB2);
+          if (!once_value_6) {
+            fra.me.REG[10] = BOX_NativeString("");
+            REGB2 = TAG_Int(0);
+            fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB2);
+            once_value_6 = fra.me.REG[10];
+            register_static_object(&once_value_6);
+          } else fra.me.REG[10] = once_value_6;
+          fra.me.REG[10] = fra.me.REG[10];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[10]);
+          fra.me.REG[10] = CALL_abstractmetamodel___MMLocalProperty___full_name(fra.me.REG[8])(fra.me.REG[8]);
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[10]);
+          if (!once_value_7) {
+            fra.me.REG[10] = BOX_NativeString("");
+            REGB2 = TAG_Int(0);
+            fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB2);
+            once_value_7 = fra.me.REG[10];
+            register_static_object(&once_value_7);
+          } else fra.me.REG[10] = once_value_7;
+          fra.me.REG[10] = fra.me.REG[10];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[10]);
+          fra.me.REG[8] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[8])(fra.me.REG[8]);
+          REGB2 = TAG_Bool((fra.me.REG[8]!=NIT_NULL) && VAL_ISA(fra.me.REG[8], COLOR_MMSignature, ID_MMSignature)) /*cast MMSignature*/;
+          if (UNTAG_Bool(REGB2)) {
+          } else {
+            nit_abort("Cast failed", NULL, LOCATE_typing, 146);
           }
-          /* Register variable[16]: Result */
-          /* Register variable[16]: Result */
-          variable[16] = CALL_symbol___String___to_symbol(variable[16])(variable[16]) /*String::to_symbol*/;
-          once_value_7 = variable[16];
-          once_bool_7 = true;
+          fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+          if (!once_value_8) {
+            fra.me.REG[8] = BOX_NativeString("");
+            REGB2 = TAG_Int(0);
+            fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB2);
+            once_value_8 = fra.me.REG[8];
+            register_static_object(&once_value_8);
+          } else fra.me.REG[8] = once_value_8;
+          fra.me.REG[8] = fra.me.REG[8];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+          fra.me.REG[9] = CALL_string___Object___to_s(fra.me.REG[9])(fra.me.REG[9]);
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[9]);
+          /* ./../lib/standard//collection//array.nit:239 */
+          REGB2 = TAG_Int(1);
+          /* ./../lib/standard//kernel.nit:215 */
+          REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
+          /* ./../lib/standard//collection//array.nit:239 */
+          REGB1 = REGB2;
+        } else {
+          /* ./../lib/standard//collection//array.nit:237 */
+          goto label9;
         }
-        /* Register variable[16]: Result */
-        /* Register variable[15]: Result */
-        variable[15] = TAG_Bool((variable[15] == variable[16]) || ((variable[15] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[15])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[15],variable[16])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[15])(variable[15], variable[16]) /*Object::==*/)))));
       }
-      /* Register variable[15]: Result */
-      if (UNTAG_Bool(variable[15])) { /*if*/
-        CALL_abstract_collection___SimpleCollection___add( variable[6] /*candidates*/)( variable[6] /*candidates*/,  variable[12] /*gp*/) /*AbstractArray::add*/;
-        CALL_abstract_collection___SimpleCollection___add( variable[7] /*false_candidates*/)( variable[7] /*false_candidates*/,  variable[12] /*gp*/) /*AbstractArray::add*/;
-      } else { /*if*/
-        CALL_abstract_collection___SimpleCollection___add( variable[7] /*false_candidates*/)( variable[7] /*false_candidates*/,  variable[12] /*gp*/) /*AbstractArray::add*/;
+      label9: while(0);
+      /* ./syntax//typing.nit:148 */
+      REGB1 = TAG_Int(5);
+      fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+      if (!once_value_10) {
+        fra.me.REG[4] = BOX_NativeString("Error: Conflicting default constructor to call for ");
+        REGB1 = TAG_Int(51);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+        once_value_10 = fra.me.REG[4];
+        register_static_object(&once_value_10);
+      } else fra.me.REG[4] = once_value_10;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+      if (!once_value_11) {
+        fra.me.REG[4] = BOX_NativeString(": ");
+        REGB1 = TAG_Int(2);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+        once_value_11 = fra.me.REG[4];
+        register_static_object(&once_value_11);
+      } else fra.me.REG[4] = once_value_11;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+      if (!once_value_12) {
+        fra.me.REG[4] = BOX_NativeString(", ");
+        REGB1 = TAG_Int(2);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+        once_value_12 = fra.me.REG[4];
+        register_static_object(&once_value_12);
+      } else fra.me.REG[4] = once_value_12;
+      fra.me.REG[4] = fra.me.REG[4];
+      fra.me.REG[4] = CALL_string___Collection___join(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+      if (!once_value_13) {
+        fra.me.REG[4] = BOX_NativeString(".");
+        REGB1 = TAG_Int(1);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+        once_value_13 = fra.me.REG[4];
+        register_static_object(&once_value_13);
+      } else fra.me.REG[4] = once_value_13;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[4]);
+      fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[6]);
+      /* ./syntax//typing.nit:149 */
+      fra.me.REG[7] = NIT_NULL;
+      goto label5;
+    } else {
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
       }
-    }
-    continue_6: while(0);
-    CALL_abstract_collection___Iterator___next(variable[9])(variable[9]) /*Iterator::next*/;
-  }
-  break_6: while(0);
-  /* Register variable[9]: Result */
-  variable[9] = CALL_abstract_collection___Collection___length( variable[6] /*candidates*/)( variable[6] /*candidates*/) /*AbstractArrayRead::length*/;
-  /* Register variable[9]: Result */
-  variable[9] = TAG_Bool((variable[9])==( TAG_Int(1)));
-  if (UNTAG_Bool(variable[9])) { /*if*/
-    /* Register variable[9]: Result */
-    variable[9] = CALL_abstract_collection___Collection___first( variable[6] /*candidates*/)( variable[6] /*candidates*/) /*IndexedCollectionRead::first*/;
-    variable[4] = variable[9];
-    goto return_label5;
-  } else { /*if*/
-    /* Register variable[9]: Result */
-    variable[9] = CALL_abstract_collection___Collection___length( variable[6] /*candidates*/)( variable[6] /*candidates*/) /*AbstractArrayRead::length*/;
-    /* Register variable[9]: Result */
-    variable[9] = TAG_Bool(UNTAG_Int(variable[9])>UNTAG_Int( TAG_Int(0)));
-    if (UNTAG_Bool(variable[9])) { /*if*/
-      /* Register variable[9]: Local variable */
-      /* Register variable[10]: Result */
-      variable[10] = NEW_Array_array___Array___init() /*new Array[String]*/;
-      variable[9] = variable[10];
-      /* Register variable[10]: For iterator */
-      variable[10] = CALL_abstract_collection___Collection___iterator( variable[6] /*candidates*/)( variable[6] /*candidates*/) /*AbstractArrayRead::iterator*/;
-      while (true) { /*for*/
-        /* Register variable[11]: For 'is_ok' result */
-        variable[11] = CALL_abstract_collection___Iterator___is_ok(variable[10])(variable[10]) /*ArrayIterator::is_ok*/;
-        if (!UNTAG_Bool(variable[11])) break; /*for*/
-        variable[11] = CALL_abstract_collection___Iterator___item(variable[10])(variable[10]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
-        /* Register variable[12]: Local variable */
-        variable[12] = variable[11];
-        variable[13] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[14]: Once String constant */
-        if (once_value_10 != NIT_NULL) variable[14] = once_value_10;
-        else {
-          variable[14] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-          once_value_10 = variable[14];
+      REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[5]);
+      /* ./syntax//typing.nit:150 */
+      REGB2 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:214 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
+      /* ./syntax//typing.nit:150 */
+      if (UNTAG_Bool(REGB2)) {
+        /* ./syntax//typing.nit:151 */
+        fra.me.REG[6] = NEW_Array_array___Array___init();
+        /* ./../lib/standard//collection//array.nit:234 */
+        REGB2 = TAG_Int(0);
+        /* ./../lib/standard//collection//array.nit:235 */
+        REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
         }
-        /* Register variable[14]: Result */
-        /* Ensure var variable[14]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], variable[14]) /*AbstractArray::add*/;
-        /* Register variable[14]: Result */
-        variable[14] = CALL_abstractmetamodel___MMLocalProperty___full_name( variable[12] /*p*/)( variable[12] /*p*/) /*MMLocalProperty::full_name*/;
-        /* Ensure var variable[14]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], variable[14]) /*AbstractArray::add*/;
-        /* Register variable[14]: Once String constant */
-        if (once_value_11 != NIT_NULL) variable[14] = once_value_11;
-        else {
-          variable[14] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-          once_value_11 = variable[14];
-        }
-        /* Register variable[14]: Result */
-        /* Ensure var variable[14]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], variable[14]) /*AbstractArray::add*/;
-        /* Register variable[14]: Result */
-        variable[14] = CALL_static_type___MMLocalProperty___signature( variable[12] /*p*/)( variable[12] /*p*/) /*MMLocalProperty::signature*/;
-        /* Ensure var variable[14]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], CALL_string___Object___to_s(variable[14])(variable[14]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[14]: Once String constant */
-        if (once_value_12 != NIT_NULL) variable[14] = once_value_12;
-        else {
-          variable[14] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-          once_value_12 = variable[14];
+        REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[5]);
+        /* ./../lib/standard//collection//array.nit:236 */
+        fra.me.REG[4] = ATTR_array___Array____items(fra.me.REG[5]);
+        /* ./../lib/standard//collection//array.nit:237 */
+        while(1) {
+          /* ./../lib/standard//collection//array.nit:23 */
+          REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+          } else {
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+          }
+          REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[5]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB1 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB1));
+          /* ./../lib/standard//collection//array.nit:237 */
+          if (UNTAG_Bool(REGB1)) {
+            /* ./../lib/standard//collection//array.nit:238 */
+            REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+            if (UNTAG_Bool(REGB1)) {
+              nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+            }
+            /* ./../lib/standard//collection//array.nit:654 */
+            fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB2)];
+            /* ./syntax//typing.nit:153 */
+            REGB1 = TAG_Int(5);
+            fra.me.REG[9] = NEW_Array_array___Array___with_capacity(REGB1);
+            if (!once_value_14) {
+              fra.me.REG[8] = BOX_NativeString("");
+              REGB1 = TAG_Int(0);
+              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+              once_value_14 = fra.me.REG[8];
+              register_static_object(&once_value_14);
+            } else fra.me.REG[8] = once_value_14;
+            fra.me.REG[8] = fra.me.REG[8];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+            fra.me.REG[8] = CALL_abstractmetamodel___MMLocalProperty___full_name(fra.me.REG[3])(fra.me.REG[3]);
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+            if (!once_value_15) {
+              fra.me.REG[8] = BOX_NativeString("");
+              REGB1 = TAG_Int(0);
+              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+              once_value_15 = fra.me.REG[8];
+              register_static_object(&once_value_15);
+            } else fra.me.REG[8] = once_value_15;
+            fra.me.REG[8] = fra.me.REG[8];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+            fra.me.REG[3] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[3])(fra.me.REG[3]);
+            REGB1 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_MMSignature, ID_MMSignature)) /*cast MMSignature*/;
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              nit_abort("Cast failed", NULL, LOCATE_typing, 153);
+            }
+            fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[3]);
+            if (!once_value_16) {
+              fra.me.REG[3] = BOX_NativeString("");
+              REGB1 = TAG_Int(0);
+              fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+              once_value_16 = fra.me.REG[3];
+              register_static_object(&once_value_16);
+            } else fra.me.REG[3] = once_value_16;
+            fra.me.REG[3] = fra.me.REG[3];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[3]);
+            fra.me.REG[9] = CALL_string___Object___to_s(fra.me.REG[9])(fra.me.REG[9]);
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[9]);
+            /* ./../lib/standard//collection//array.nit:239 */
+            REGB1 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB1 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB1));
+            /* ./../lib/standard//collection//array.nit:239 */
+            REGB2 = REGB1;
+          } else {
+            /* ./../lib/standard//collection//array.nit:237 */
+            goto label17;
+          }
         }
-        /* Register variable[14]: Result */
-        /* Ensure var variable[14]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], variable[14]) /*AbstractArray::add*/;
-        /* Register variable[13]: Result */
-        variable[13] = CALL_string___Object___to_s(variable[13])(variable[13]) /*Object::to_s*/;
-        CALL_abstract_collection___SimpleCollection___add( variable[9] /*a*/)( variable[9] /*a*/, variable[13]) /*AbstractArray::add*/;
-        continue_9: while(0);
-        CALL_abstract_collection___Iterator___next(variable[10])(variable[10]) /*ArrayIterator::next*/;
+        label17: while(0);
+        /* ./syntax//typing.nit:155 */
+        REGB2 = TAG_Int(5);
+        fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB2);
+        if (!once_value_18) {
+          fra.me.REG[5] = BOX_NativeString("Error: there is no available compatible constrctor in ");
+          REGB2 = TAG_Int(54);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB2);
+          once_value_18 = fra.me.REG[5];
+          register_static_object(&once_value_18);
+        } else fra.me.REG[5] = once_value_18;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        if (!once_value_19) {
+          fra.me.REG[5] = BOX_NativeString(". Discarded candidates are ");
+          REGB2 = TAG_Int(27);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB2);
+          once_value_19 = fra.me.REG[5];
+          register_static_object(&once_value_19);
+        } else fra.me.REG[5] = once_value_19;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        if (!once_value_20) {
+          fra.me.REG[5] = BOX_NativeString(", ");
+          REGB2 = TAG_Int(2);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB2);
+          once_value_20 = fra.me.REG[5];
+          register_static_object(&once_value_20);
+        } else fra.me.REG[5] = once_value_20;
+        fra.me.REG[5] = fra.me.REG[5];
+        fra.me.REG[5] = CALL_string___Collection___join(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        if (!once_value_21) {
+          fra.me.REG[5] = BOX_NativeString(".");
+          REGB2 = TAG_Int(1);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB2);
+          once_value_21 = fra.me.REG[5];
+          register_static_object(&once_value_21);
+        } else fra.me.REG[5] = once_value_21;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[4]);
+        /* ./syntax//typing.nit:156 */
+        fra.me.REG[7] = NIT_NULL;
+        goto label5;
+      } else {
+        /* ./syntax//typing.nit:158 */
+        REGB2 = TAG_Int(3);
+        fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB2);
+        if (!once_value_22) {
+          fra.me.REG[5] = BOX_NativeString("Error: there is no available compatible constrctor in ");
+          REGB2 = TAG_Int(54);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB2);
+          once_value_22 = fra.me.REG[5];
+          register_static_object(&once_value_22);
+        } else fra.me.REG[5] = once_value_22;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+        if (!once_value_23) {
+          fra.me.REG[2] = BOX_NativeString(".");
+          REGB2 = TAG_Int(1);
+          fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB2);
+          once_value_23 = fra.me.REG[2];
+          register_static_object(&once_value_23);
+        } else fra.me.REG[2] = once_value_23;
+        fra.me.REG[2] = fra.me.REG[2];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+        fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[4]);
+        /* ./syntax//typing.nit:159 */
+        fra.me.REG[7] = NIT_NULL;
+        goto label5;
       }
-      break_9: while(0);
-      variable[10] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[11]: Once String constant */
-      if (once_value_13 != NIT_NULL) variable[11] = once_value_13;
-      else {
-        variable[11] = NEW_String_string___String___with_native(BOX_NativeString("Error: Conflicting default constructor to call for "), TAG_Int(51)) /*new String*/;
-        once_value_13 = variable[11];
+    }
+  }
+  label5: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[7];
+}
+  void OC_typing___TypingVisitor___get_default_constructor_for_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+    val_t REGB0;
+    val_t REGB1;
+    val_t REGB2;
+    val_t REGB3;
+    fun_t CREG[1];
+    val_t tmp;
+        static val_t once_value_3; /* Once value */
+          static val_t once_value_4; /* Once value */
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_typing;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_typing___TypingVisitor___get_default_constructor_for;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 4;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.REG[1] = NIT_NULL;
+    fra.me.REG[2] = NIT_NULL;
+    fra.me.REG[3] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    /* ./syntax//typing.nit:123 */
+    REGB0 = CALL_abstractmetamodel___MMGlobalProperty___is_init_for(fra.me.REG[0])(fra.me.REG[0], closctx->REG[2]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      goto label2;
+    }
+    /* ./syntax//typing.nit:124 */
+    fra.me.REG[0] = CALL_abstractmetamodel___MMLocalClass_____bra(closctx->REG[2])(closctx->REG[2], fra.me.REG[0]);
+    /* ./syntax//typing.nit:125 */
+    fra.me.REG[1] = CALL_static_type___MMLocalClass___get_type(closctx->REG[2])(closctx->REG[2]);
+    fra.me.REG[1] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./syntax//typing.nit:126 */
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[0], COLOR_MMSrcMethod, ID_MMSrcMethod)) /*cast MMSrcMethod*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Assert failed", NULL, LOCATE_typing, 126);
+    }
+    /* ./syntax//typing.nit:127 */
+    REGB0 = CALL_static_type___MMSignature___arity(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./syntax//typing.nit:128 */
+    fra.me.REG[2] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___name(closctx->REG[3])(closctx->REG[3]);
+    REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[3]));
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      REGB1 = REGB2;
+    }
+    if (UNTAG_Bool(REGB1)) {
+      /* ./syntax//typing.nit:129 */
+      REGB1 = TAG_Int(0);
+      REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        /* ./../lib/standard//kernel.nit:207 */
+        REGB1 = TAG_Bool((REGB0)==(REGB1));
+        /* ./syntax//typing.nit:129 */
+        REGB2 = REGB1;
       }
-      /* Register variable[11]: Result */
-      /* Ensure var variable[11]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-      variable[11] =  variable[2] /*c*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], CALL_string___Object___to_s(variable[11])(variable[11]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[11]: Once String constant */
-      if (once_value_14 != NIT_NULL) variable[11] = once_value_14;
-      else {
-        variable[11] = NEW_String_string___String___with_native(BOX_NativeString(": "), TAG_Int(2)) /*new String*/;
-        once_value_14 = variable[11];
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Bool(true);
+      } else {
+        REGB1 = TAG_Bool(IS_EQUAL_OO(closctx->REG[6],REGB0));
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          /* ./../lib/standard//kernel.nit:207 */
+          REGB3 = TAG_Bool((closctx->REG[6])==(REGB0));
+          /* ./syntax//typing.nit:129 */
+          REGB1 = REGB3;
+        }
+        if (UNTAG_Bool(REGB1)) {
+          fra.me.REG[3] = CALL_static_type___MMLocalProperty___signature(closctx->REG[3])(closctx->REG[3]);
+          REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+            nit_abort("Reciever is null", NULL, LOCATE_typing, 129);
+          }
+          REGB1 = CALL_static_type___MMSignature_____l(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+        } else {
+          REGB3 = TAG_Bool(false);
+          REGB1 = REGB3;
+        }
+        REGB2 = REGB1;
       }
-      /* Register variable[11]: Result */
-      /* Ensure var variable[11]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-      /* Register variable[11]: Once String constant */
-      if (once_value_15 != NIT_NULL) variable[11] = once_value_15;
-      else {
-        variable[11] = NEW_String_string___String___with_native(BOX_NativeString(", "), TAG_Int(2)) /*new String*/;
-        once_value_15 = variable[11];
+      if (UNTAG_Bool(REGB2)) {
+        /* ./syntax//typing.nit:130 */
+        closctx->REG[7] = fra.me.REG[0];
+        closctx->has_broke = 1;
+        goto label2;
+      } else {
+        /* ./syntax//typing.nit:132 */
+        CALL_abstract_collection___SimpleCollection___add(closctx->REG[5])(closctx->REG[5], fra.me.REG[0]);
       }
-      /* Register variable[11]: Result */
-      /* Register variable[11]: Result */
-      variable[11] = CALL_string___Collection___join( variable[9] /*a*/)( variable[9] /*a*/, variable[11]) /*Collection::join*/;
-      /* Ensure var variable[11]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-      /* Register variable[11]: Once String constant */
-      if (once_value_16 != NIT_NULL) variable[11] = once_value_16;
-      else {
-        variable[11] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-        once_value_16 = variable[11];
+    } else {
+      /* ./syntax//typing.nit:134 */
+      REGB2 = TAG_Int(0);
+      REGB1 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB2));
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        /* ./../lib/standard//kernel.nit:207 */
+        REGB2 = TAG_Bool((REGB0)==(REGB2));
+        /* ./syntax//typing.nit:134 */
+        REGB1 = REGB2;
       }
-      /* Register variable[11]: Result */
-      /* Ensure var variable[11]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-      /* Register variable[10]: Result */
-      variable[10] = CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[5] /*v*/)( variable[5] /*v*/,  variable[1] /*n*/, variable[10]) /*AbsSyntaxVisitor::error*/;
-      variable[4] =  NIT_NULL /*null*/;
-      goto return_label5;
-    } else { /*if*/
-      /* Register variable[9]: Result */
-      variable[9] = CALL_abstract_collection___Collection___length( variable[7] /*false_candidates*/)( variable[7] /*false_candidates*/) /*AbstractArrayRead::length*/;
-      /* Register variable[9]: Result */
-      variable[9] = TAG_Bool(UNTAG_Int(variable[9])>UNTAG_Int( TAG_Int(0)));
-      if (UNTAG_Bool(variable[9])) { /*if*/
-        /* Register variable[9]: Local variable */
-        /* Register variable[10]: Result */
-        variable[10] = NEW_Array_array___Array___init() /*new Array[String]*/;
-        variable[9] = variable[10];
-        /* Register variable[10]: For iterator */
-        variable[10] = CALL_abstract_collection___Collection___iterator( variable[7] /*false_candidates*/)( variable[7] /*false_candidates*/) /*AbstractArrayRead::iterator*/;
-        while (true) { /*for*/
-          /* Register variable[11]: For 'is_ok' result */
-          variable[11] = CALL_abstract_collection___Iterator___is_ok(variable[10])(variable[10]) /*ArrayIterator::is_ok*/;
-          if (!UNTAG_Bool(variable[11])) break; /*for*/
-          variable[11] = CALL_abstract_collection___Iterator___item(variable[10])(variable[10]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
-          /* Register variable[12]: Local variable */
-          variable[12] = variable[11];
-          variable[13] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-          /* Register variable[14]: Once String constant */
-          if (once_value_18 != NIT_NULL) variable[14] = once_value_18;
-          else {
-            variable[14] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-            once_value_18 = variable[14];
-          }
-          /* Register variable[14]: Result */
-          /* Ensure var variable[14]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], variable[14]) /*AbstractArray::add*/;
-          /* Register variable[14]: Result */
-          variable[14] = CALL_abstractmetamodel___MMLocalProperty___full_name( variable[12] /*p*/)( variable[12] /*p*/) /*MMLocalProperty::full_name*/;
-          /* Ensure var variable[14]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], variable[14]) /*AbstractArray::add*/;
-          /* Register variable[14]: Once String constant */
-          if (once_value_19 != NIT_NULL) variable[14] = once_value_19;
-          else {
-            variable[14] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-            once_value_19 = variable[14];
-          }
-          /* Register variable[14]: Result */
-          /* Ensure var variable[14]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], variable[14]) /*AbstractArray::add*/;
-          /* Register variable[14]: Result */
-          variable[14] = CALL_static_type___MMLocalProperty___signature( variable[12] /*p*/)( variable[12] /*p*/) /*MMLocalProperty::signature*/;
-          /* Ensure var variable[14]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], CALL_string___Object___to_s(variable[14])(variable[14]) /*Object::to_s*/) /*AbstractArray::add*/;
-          /* Register variable[14]: Once String constant */
-          if (once_value_20 != NIT_NULL) variable[14] = once_value_20;
-          else {
-            variable[14] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-            once_value_20 = variable[14];
-          }
-          /* Register variable[14]: Result */
-          /* Ensure var variable[14]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[13])(variable[13], variable[14]) /*AbstractArray::add*/;
-          /* Register variable[13]: Result */
-          variable[13] = CALL_string___Object___to_s(variable[13])(variable[13]) /*Object::to_s*/;
-          CALL_abstract_collection___SimpleCollection___add( variable[9] /*a*/)( variable[9] /*a*/, variable[13]) /*AbstractArray::add*/;
-          continue_17: while(0);
-          CALL_abstract_collection___Iterator___next(variable[10])(variable[10]) /*ArrayIterator::next*/;
+      if (UNTAG_Bool(REGB1)) {
+        fra.me.REG[1] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[0])(fra.me.REG[0]);
+        if (!once_value_3) {
+          if (!once_value_4) {
+            fra.me.REG[3] = BOX_NativeString("init");
+            REGB1 = TAG_Int(4);
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+            once_value_4 = fra.me.REG[3];
+            register_static_object(&once_value_4);
+          } else fra.me.REG[3] = once_value_4;
+          fra.me.REG[3] = fra.me.REG[3];
+          fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+          once_value_3 = fra.me.REG[3];
+          register_static_object(&once_value_3);
+        } else fra.me.REG[3] = once_value_3;
+        fra.me.REG[3] = fra.me.REG[3];
+        REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[3]));
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+          REGB1 = REGB2;
         }
-        break_17: while(0);
-        variable[10] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[11]: Once String constant */
-        if (once_value_21 != NIT_NULL) variable[11] = once_value_21;
-        else {
-          variable[11] = NEW_String_string___String___with_native(BOX_NativeString("Error: there is no available compatible constrctor in "), TAG_Int(54)) /*new String*/;
-          once_value_21 = variable[11];
-        }
-        /* Register variable[11]: Result */
-        /* Ensure var variable[11]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-        variable[11] =  variable[2] /*c*/ /* Ensure var: super-string element*/;
-        CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], CALL_string___Object___to_s(variable[11])(variable[11]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[11]: Once String constant */
-        if (once_value_22 != NIT_NULL) variable[11] = once_value_22;
-        else {
-          variable[11] = NEW_String_string___String___with_native(BOX_NativeString(". Discarded candidates are "), TAG_Int(27)) /*new String*/;
-          once_value_22 = variable[11];
-        }
-        /* Register variable[11]: Result */
-        /* Ensure var variable[11]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-        /* Register variable[11]: Once String constant */
-        if (once_value_23 != NIT_NULL) variable[11] = once_value_23;
-        else {
-          variable[11] = NEW_String_string___String___with_native(BOX_NativeString(", "), TAG_Int(2)) /*new String*/;
-          once_value_23 = variable[11];
-        }
-        /* Register variable[11]: Result */
-        /* Register variable[11]: Result */
-        variable[11] = CALL_string___Collection___join( variable[9] /*a*/)( variable[9] /*a*/, variable[11]) /*Collection::join*/;
-        /* Ensure var variable[11]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-        /* Register variable[11]: Once String constant */
-        if (once_value_24 != NIT_NULL) variable[11] = once_value_24;
-        else {
-          variable[11] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-          once_value_24 = variable[11];
-        }
-        /* Register variable[11]: Result */
-        /* Ensure var variable[11]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-        /* Register variable[10]: Result */
-        variable[10] = CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/;
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[5] /*v*/)( variable[5] /*v*/,  variable[1] /*n*/, variable[10]) /*AbsSyntaxVisitor::error*/;
-        variable[4] =  NIT_NULL /*null*/;
-        goto return_label5;
-      } else { /*if*/
-        variable[9] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[10]: Once String constant */
-        if (once_value_25 != NIT_NULL) variable[10] = once_value_25;
-        else {
-          variable[10] = NEW_String_string___String___with_native(BOX_NativeString("Error: there is no available compatible constrctor in "), TAG_Int(54)) /*new String*/;
-          once_value_25 = variable[10];
-        }
-        /* Register variable[10]: Result */
-        /* Ensure var variable[10]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-        variable[10] =  variable[2] /*c*/ /* Ensure var: super-string element*/;
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[10]: Once String constant */
-        if (once_value_26 != NIT_NULL) variable[10] = once_value_26;
-        else {
-          variable[10] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-          once_value_26 = variable[10];
-        }
-        /* Register variable[10]: Result */
-        /* Ensure var variable[10]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-        /* Register variable[9]: Result */
-        variable[9] = CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/;
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[5] /*v*/)( variable[5] /*v*/,  variable[1] /*n*/, variable[9]) /*AbsSyntaxVisitor::error*/;
-        variable[4] =  NIT_NULL /*null*/;
-        goto return_label5;
+      } else {
+        REGB2 = TAG_Bool(false);
+        REGB1 = REGB2;
+      }
+      if (UNTAG_Bool(REGB1)) {
+        /* ./syntax//typing.nit:135 */
+        CALL_abstract_collection___SimpleCollection___add(closctx->REG[4])(closctx->REG[4], fra.me.REG[0]);
+        /* ./syntax//typing.nit:136 */
+        CALL_abstract_collection___SimpleCollection___add(closctx->REG[5])(closctx->REG[5], fra.me.REG[0]);
+      } else {
+        /* ./syntax//typing.nit:138 */
+        CALL_abstract_collection___SimpleCollection___add(closctx->REG[5])(closctx->REG[5], fra.me.REG[0]);
       }
     }
-  }
-  return_label5: while(false);
-  tracehead = trace.prev;
-  return variable[4];
-}
-void typing___PNode___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 140, LOCATE_typing___PNode___accept_typing};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_syntax_base___PNode___accept_abs_syntax_visitor(variable[0])(variable[0],  variable[1] /*v*/) /*PNode::accept_abs_syntax_visitor*/;
-  CALL_typing___PNode___after_typing(variable[0])(variable[0],  variable[1] /*v*/) /*PNode::after_typing*/;
-  return_label27: while(false);
-  tracehead = trace.prev;
+    label2: while(0);
+    stack_frame_head = fra.me.prev;
+    return;
+  }
+void typing___ANode___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 168;
+  fra.me.meth = LOCATE_typing___ANode___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:170 */
+  CALL_syntax_base___ANode___accept_abs_syntax_visitor(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:171 */
+  CALL_typing___ANode___after_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void typing___ANode___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 173;
+  fra.me.meth = LOCATE_typing___ANode___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___PNode___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 145, LOCATE_typing___PNode___after_typing};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  return_label28: while(false);
-  tracehead = trace.prev;
+void typing___AClassdef___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 177;
+  fra.me.meth = LOCATE_typing___AClassdef___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:177 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:179 */
+  if (!once_value_1) {
+    fra.me.REG[4] = BOX_NativeString("self");
+    REGB0 = TAG_Int(4);
+    fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+    once_value_1 = fra.me.REG[4];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[4] = once_value_1;
+  fra.me.REG[4] = fra.me.REG[4];
+  fra.me.REG[4] = CALL_symbol___String___to_symbol(fra.me.REG[4])(fra.me.REG[4]);
+  fra.me.REG[4] = NEW_ParamVariable_syntax_base___ParamVariable___init(fra.me.REG[4], fra.me.REG[2]);
+  CALL_typing___TypingVisitor___self_var__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:180 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___self_var(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[2] = CALL_syntax_base___AClassdef___local_class(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[2] = CALL_static_type___MMLocalClass___get_type(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_syntax_base___Variable___stype__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+  /* ./syntax//typing.nit:181 */
+  CALL_SUPER_typing___AClassdef___accept_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___PClassdef___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 149, LOCATE_typing___PClassdef___accept_typing};
-  static val_t once_value_30 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Once String constant */
-  if (once_value_30 != NIT_NULL) variable[3] = once_value_30;
-  else {
-    variable[3] = NEW_String_string___String___with_native(BOX_NativeString("self"), TAG_Int(4)) /*new String*/;
-    once_value_30 = variable[3];
-  }
-  /* Register variable[3]: Result */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_symbol___String___to_symbol(variable[3])(variable[3]) /*String::to_symbol*/;
-  /* Register variable[3]: Result */
-  variable[3] = NEW_ParamVariable_syntax_base___ParamVariable___init(variable[3], variable[0]) /*new ParamVariable*/;
-  CALL_typing___TypingVisitor___self_var__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*TypingVisitor::self_var=*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___self_var( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::self_var*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___PClassdef___local_class(variable[0])(variable[0]) /*PClassdef::local_class*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMLocalClass___get_type(variable[4])(variable[4]) /*MMLocalClass::get_type*/;
-  CALL_syntax_base___Variable___stype__eq(variable[3])(variable[3], variable[4]) /*Variable::stype=*/;
-  CALL_SUPER_typing___PClassdef___accept_typing(variable[0])(variable[0], variable[1]) /*super PClassdef::accept_typing*/;
-  return_label29: while(false);
-  tracehead = trace.prev;
+val_t typing___APropdef___self_var(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 186;
+  fra.me.meth = LOCATE_typing___APropdef___self_var;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:186 */
+  fra.me.REG[0] = ATTR_typing___APropdef____self_var(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 186);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AAttrPropdef___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 191;
+  fra.me.meth = LOCATE_typing___AAttrPropdef___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:191 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:193 */
+  fra.me.REG[4] = NEW_RootFlowContext_flow___RootFlowContext___init(fra.me.REG[3], fra.me.REG[2]);
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:194 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_typing___TypingVisitor___base_flow_ctx__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:196 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_scope___ScopeContext___push(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+  /* ./syntax//typing.nit:197 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___self_var(fra.me.REG[3])(fra.me.REG[3]);
+  ATTR_typing___APropdef____self_var(fra.me.REG[2]) = fra.me.REG[4];
+  /* ./syntax//typing.nit:198 */
+  CALL_SUPER_typing___AAttrPropdef___accept_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:199 */
+  fra.me.REG[1] = CALL_parser_nodes___AAttrPropdef___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:200 */
+    fra.me.REG[1] = CALL_parser_nodes___AAttrPropdef___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = TAG_Bool((fra.me.REG[1]!=NIT_NULL) && VAL_ISA(fra.me.REG[1], COLOR_AExpr, ID_AExpr)) /*cast AExpr*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_typing, 200);
+    }
+    fra.me.REG[2] = CALL_syntax_base___AAttrPropdef___prop(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 200);
+    }
+    fra.me.REG[2] = CALL_static_type___MMSignature___return_type(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = TAG_Bool((fra.me.REG[2]!=NIT_NULL) && VAL_ISA(fra.me.REG[2], COLOR_MMType, ID_MMType)) /*cast MMType*/;
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      nit_abort("Cast failed", NULL, LOCATE_typing, 200);
+    }
+    CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1], fra.me.REG[2]);
+  }
+  /* ./syntax//typing.nit:202 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_scope___ScopeContext___pop(fra.me.REG[3])(fra.me.REG[3]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AAttrPropdef___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 158, LOCATE_typing___AAttrPropdef___accept_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_SUPER_typing___AAttrPropdef___accept_typing(variable[0])(variable[0], variable[1]) /*super AAttrPropdef::accept_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAttrPropdef___n_expr(variable[0])(variable[0]) /*AAttrPropdef::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___AAttrPropdef___n_expr(variable[0])(variable[0]) /*AAttrPropdef::n_expr*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___AAttrPropdef___prop(variable[0])(variable[0]) /*AAttrPropdef::prop*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_static_type___MMLocalProperty___signature(variable[4])(variable[4]) /*MMLocalProperty::signature*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_static_type___MMSignature___return_type(variable[4])(variable[4]) /*MMSignature::return_type*/;
-    CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3], variable[4]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  }
-  return_label31: while(false);
-  tracehead = trace.prev;
+void typing___AMethPropdef___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 207;
+  fra.me.meth = LOCATE_typing___AMethPropdef___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:207 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:209 */
+  fra.me.REG[4] = NEW_RootFlowContext_flow___RootFlowContext___init(fra.me.REG[3], fra.me.REG[2]);
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:210 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_typing___TypingVisitor___base_flow_ctx__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:212 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_scope___ScopeContext___push(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+  /* ./syntax//typing.nit:213 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___self_var(fra.me.REG[3])(fra.me.REG[3]);
+  ATTR_typing___APropdef____self_var(fra.me.REG[2]) = fra.me.REG[4];
+  /* ./syntax//typing.nit:214 */
+  CALL_SUPER_typing___AMethPropdef___accept_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:215 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_scope___ScopeContext___pop(fra.me.REG[3])(fra.me.REG[3]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AMethPropdef___self_var(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 168, LOCATE_typing___AMethPropdef___self_var};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AMethPropdef____self_var( self) /*AMethPropdef::_self_var*/;
-}
-void typing___AMethPropdef___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 169, LOCATE_typing___AMethPropdef___accept_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = NEW_RootVariableContext_control_flow___RootVariableContext___init( variable[1] /*v*/, variable[0]) /*new RootVariableContext*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*TypingVisitor::base_variable_ctx=*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___self_var( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::self_var*/;
-  ATTR_typing___AMethPropdef____self_var(variable[0]) /*AMethPropdef::_self_var*/ = variable[3];
-  CALL_SUPER_typing___AMethPropdef___accept_typing(variable[0])(variable[0], variable[1]) /*super AMethPropdef::accept_typing*/;
-  return_label32: while(false);
-  tracehead = trace.prev;
+void typing___AConcreteMethPropdef___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 220;
+  fra.me.meth = LOCATE_typing___AConcreteMethPropdef___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:220 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:222 */
+  CALL_SUPER_typing___AConcreteMethPropdef___after_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:223 */
+  fra.me.REG[1] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = CALL_flow___FlowContext___unreash(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[1] = CALL_syntax_base___AMethPropdef___method(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 223);
+    }
+    fra.me.REG[1] = CALL_static_type___MMSignature___return_type(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:224 */
+    if (!once_value_1) {
+      fra.me.REG[1] = BOX_NativeString("Control error: Reached end of function (a 'return' with a value was expected).");
+      REGB0 = TAG_Int(78);
+      fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+      once_value_1 = fra.me.REG[1];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[1] = once_value_1;
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[1]);
+  }
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AConcreteMethPropdef___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 179, LOCATE_typing___AConcreteMethPropdef___accept_typing};
-    static val_t once_value_34 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_SUPER_typing___AConcreteMethPropdef___accept_typing(variable[0])(variable[0], variable[1]) /*super AConcreteMethPropdef::accept_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_control_flow___VariableContext___unreash(variable[3])(variable[3]) /*VariableContext::unreash*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3])==( TAG_Bool(false)));
-  /* Ensure var variable[3]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[3])) { /* and */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___AMethPropdef___method(variable[0])(variable[0]) /*AMethPropdef::method*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_static_type___MMLocalProperty___signature(variable[3])(variable[3]) /*MMLocalProperty::signature*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_static_type___MMSignature___return_type(variable[3])(variable[3]) /*MMSignature::return_type*/;
-    /* Register variable[3]: Result */
-    variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  }
-  /* Register variable[3]: Result */
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Once String constant */
-    if (once_value_34 != NIT_NULL) variable[3] = once_value_34;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString("Control error: Reached end of function (a 'return' with a value was expected)."), TAG_Int(78)) /*new String*/;
-      once_value_34 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::error*/;
-  }
-  return_label33: while(false);
-  tracehead = trace.prev;
+void typing___AConcreteInitPropdef___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 230;
+  fra.me.meth = LOCATE_typing___AConcreteInitPropdef___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:230 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:232 */
+  fra.me.REG[4] = CALL_parser_nodes___AConcreteMethPropdef___n_block(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_typing___TypingVisitor___top_block__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:233 */
+  fra.me.REG[2] = CALL_syntax_base___AConcreteInitPropdef___explicit_super_init_calls(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_typing___TypingVisitor___explicit_super_init_calls__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+  /* ./syntax//typing.nit:234 */
+  REGB0 = TAG_Bool(false);
+  CALL_typing___TypingVisitor___explicit_other_init_call__eq(fra.me.REG[3])(fra.me.REG[3], REGB0);
+  /* ./syntax//typing.nit:235 */
+  CALL_SUPER_typing___AConcreteInitPropdef___accept_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AConcreteInitPropdef___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 191, LOCATE_typing___AConcreteInitPropdef___accept_typing};
-  val_t variable[14];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AConcreteMethPropdef___n_block(variable[0])(variable[0]) /*AConcreteMethPropdef::n_block*/;
-  CALL_typing___TypingVisitor___top_block__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*TypingVisitor::top_block=*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AConcreteInitPropdef___explicit_super_init_calls(variable[0])(variable[0]) /*AConcreteInitPropdef::explicit_super_init_calls*/;
-  CALL_typing___TypingVisitor___explicit_super_init_calls__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*TypingVisitor::explicit_super_init_calls=*/;
-  CALL_typing___TypingVisitor___explicit_other_init_call__eq( variable[1] /*v*/)( variable[1] /*v*/,  TAG_Bool(false)) /*TypingVisitor::explicit_other_init_call=*/;
-  CALL_SUPER_typing___AConcreteInitPropdef___accept_typing(variable[0])(variable[0], variable[1]) /*super AConcreteInitPropdef::accept_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___explicit_other_init_call( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::explicit_other_init_call*/;
-  /* Ensure var variable[3]: Left 'or' operand*/
-  if (!UNTAG_Bool(variable[3])) { /* or */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___AMethPropdef___method(variable[0])(variable[0]) /*AMethPropdef::method*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_abstractmetamodel___MMLocalProperty___global(variable[3])(variable[3]) /*MMLocalProperty::global*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_abstractmetamodel___MMGlobalProperty___intro(variable[3])(variable[3]) /*MMGlobalProperty::intro*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___AMethPropdef___method(variable[0])(variable[0]) /*AMethPropdef::method*/;
-    /* Register variable[3]: Result */
-    variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] == variable[4]) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3],variable[4])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3], variable[4]) /*Object::==*/)))))));
-  }
-  /* Register variable[3]: Result */
-  if (UNTAG_Bool(variable[3])) { /*if*/
-  } else { /*if*/
-    /* Register variable[3]: Local variable */
-    variable[3] =  TAG_Int(0);
-    /* Register variable[4]: Local variable */
-    /* Register variable[5]: Result */
-    variable[5] = CALL_typing___AConcreteInitPropdef___explicit_super_init_calls(variable[0])(variable[0]) /*AConcreteInitPropdef::explicit_super_init_calls*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_abstract_collection___Collection___length(variable[5])(variable[5]) /*AbstractArrayRead::length*/;
-    variable[4] = variable[5];
-    /* Register variable[5]: Local variable */
-    variable[5] =  NIT_NULL /*null*/;
-    /* Register variable[6]: Local variable */
-    variable[6] =  NIT_NULL /*null*/;
-    /* Register variable[7]: Result */
-    variable[7] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)<UNTAG_Int( variable[4] /*l*/));
-    if (UNTAG_Bool(variable[7])) { /*if*/
-      /* Register variable[7]: Result */
-      variable[7] = CALL_typing___AConcreteInitPropdef___explicit_super_init_calls(variable[0])(variable[0]) /*AConcreteInitPropdef::explicit_super_init_calls*/;
-      /* Register variable[8]: Local variable */
-      variable[8] = variable[7];
-      /* Register variable[9]: Local variable */
-      variable[9] =  variable[3] /*i*/;
-      /* Register variable[10]: Method return value and escape marker */
-      /* Register variable[11]: Result */
-      variable[11] = TAG_Bool(UNTAG_Int( variable[9] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-      /* Ensure var variable[11]: Left 'and' operand*/
-      if (UNTAG_Bool(variable[11])) { /* and */
-        /* Register variable[11]: Result */
-        variable[11] = ATTR_array___AbstractArrayRead____length(variable[8]) /*AbstractArrayRead::_length*/;
-        /* Register variable[11]: Result */
-        variable[11] = TAG_Bool(UNTAG_Int( variable[9] /*index*/)<UNTAG_Int(variable[11]));
+void typing___AConcreteInitPropdef___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t REGB4;
+  val_t REGB5;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 238;
+  fra.me.meth = LOCATE_typing___AConcreteInitPropdef___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 7;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:238 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:240 */
+  CALL_SUPER_typing___AConcreteInitPropdef___after_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:241 */
+  REGB0 = CALL_typing___TypingVisitor___explicit_other_init_call(fra.me.REG[3])(fra.me.REG[3]);
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    fra.me.REG[1] = CALL_syntax_base___AMethPropdef___method(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_abstractmetamodel___MMGlobalProperty___intro(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[0] = CALL_syntax_base___AMethPropdef___method(fra.me.REG[2])(fra.me.REG[2]);
+    REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[1],fra.me.REG[0]));
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+      REGB1 = REGB2;
+    }
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    /* ./syntax//typing.nit:244 */
+    REGB0 = TAG_Int(0);
+    /* ./syntax//typing.nit:245 */
+    fra.me.REG[0] = CALL_syntax_base___AConcreteInitPropdef___explicit_super_init_calls(fra.me.REG[2])(fra.me.REG[2]);
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+    /* ./syntax//typing.nit:246 */
+    fra.me.REG[0] = NIT_NULL;
+    /* ./syntax//typing.nit:247 */
+    fra.me.REG[1] = NIT_NULL;
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+    /* ./syntax//typing.nit:248 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./syntax//typing.nit:249 */
+      fra.me.REG[4] = CALL_syntax_base___AConcreteInitPropdef___explicit_super_init_calls(fra.me.REG[2])(fra.me.REG[2]);
+      /* ./../lib/standard//collection//array.nit:243 */
+      REGB2 = REGB0;
+      /* ./../lib/standard//collection//array.nit:245 */
+      REGB3 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:213 */
+      REGB3 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB3));
+      /* ./../lib/standard//collection//array.nit:245 */
+      if (UNTAG_Bool(REGB3)) {
+        REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+        }
+        REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB3 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB3));
+      } else {
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB4 = TAG_Bool(false);
+        REGB3 = REGB4;
       }
-      /* Register variable[11]: Result */
-      if (!UNTAG_Bool(variable[11])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_typing, 234); nit_exit(1);}
-      /* Register variable[11]: Result */
-      variable[11] = ATTR_array___Array____items(variable[8]) /*Array::_items*/;
-      /* Register variable[11]: Result */
-      variable[11] = UNBOX_NativeArray(variable[11])[UNTAG_Int( variable[9] /*index*/)];
-      variable[10] = variable[11];
-      goto return_label36;
-      return_label36: while(false);
-      /* Register variable[7]: Result */
-      variable[7] = variable[10];
-      variable[5] = variable[7] /*cur_m=*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_abstractmetamodel___MMLocalProperty___global( variable[5] /*cur_m*/)( variable[5] /*cur_m*/) /*MMLocalProperty::global*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_abstractmetamodel___MMGlobalProperty___intro(variable[7])(variable[7]) /*MMGlobalProperty::intro*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_abstractmetamodel___MMLocalProperty___local_class(variable[7])(variable[7]) /*MMLocalProperty::local_class*/;
-      /* Register variable[8]: Result */
-      variable[8] = CALL_syntax_base___AbsSyntaxVisitor___module( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::module*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_abstractmetamodel___MMLocalClass___for_module(variable[7])(variable[7], variable[8]) /*MMLocalClass::for_module*/;
-      variable[6] = variable[7] /*cur_c=*/;
-    }
-    /* Register variable[7]: Local variable */
-    variable[7] =  TAG_Int(0);
-    while (true) { /*while*/
-      /* Register variable[8]: Result */
-      variable[8] = CALL_syntax_base___AbsSyntaxVisitor___local_class( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_class*/;
-      /* Register variable[8]: Result */
-      variable[8] = CALL_abstractmetamodel___MMLocalClass___cshe(variable[8])(variable[8]) /*MMLocalClass::cshe*/;
-      /* Register variable[8]: Result */
-      variable[8] = CALL_partial_order___PartialOrderElement___direct_greaters(variable[8])(variable[8]) /*PartialOrderElement::direct_greaters*/;
-      /* Register variable[8]: Result */
-      variable[8] = CALL_abstract_collection___Collection___length(variable[8])(variable[8]) /*AbstractArrayRead::length*/;
-      /* Register variable[8]: Result */
-      variable[8] = TAG_Bool(UNTAG_Int( variable[7] /*j*/)<UNTAG_Int(variable[8]));
-      if (!UNTAG_Bool(variable[8])) break; /* while*/
-      /* Register variable[8]: Local variable */
-      /* Register variable[9]: Result */
-      variable[9] = CALL_syntax_base___AbsSyntaxVisitor___local_class( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_class*/;
-      /* Register variable[9]: Result */
-      variable[9] = CALL_abstractmetamodel___MMLocalClass___cshe(variable[9])(variable[9]) /*MMLocalClass::cshe*/;
-      /* Register variable[9]: Result */
-      variable[9] = CALL_partial_order___PartialOrderElement___direct_greaters(variable[9])(variable[9]) /*PartialOrderElement::direct_greaters*/;
-      /* Register variable[10]: Local variable */
-      variable[10] = variable[9];
-      /* Register variable[11]: Local variable */
-      variable[11] =  variable[7] /*j*/;
-      /* Register variable[12]: Method return value and escape marker */
-      /* Register variable[13]: Result */
-      variable[13] = TAG_Bool(UNTAG_Int( variable[11] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-      /* Ensure var variable[13]: Left 'and' operand*/
-      if (UNTAG_Bool(variable[13])) { /* and */
-        /* Register variable[13]: Result */
-        variable[13] = ATTR_array___AbstractArrayRead____length(variable[10]) /*AbstractArrayRead::_length*/;
-        /* Register variable[13]: Result */
-        variable[13] = TAG_Bool(UNTAG_Int( variable[11] /*index*/)<UNTAG_Int(variable[13]));
+      if (UNTAG_Bool(REGB3)) {
+      } else {
+        nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
       }
-      /* Register variable[13]: Result */
-      if (!UNTAG_Bool(variable[13])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_typing, 234); nit_exit(1);}
-      /* Register variable[13]: Result */
-      variable[13] = ATTR_array___Array____items(variable[10]) /*Array::_items*/;
-      /* Register variable[13]: Result */
-      variable[13] = UNBOX_NativeArray(variable[13])[UNTAG_Int( variable[11] /*index*/)];
-      variable[12] = variable[13];
-      goto return_label38;
-      return_label38: while(false);
-      /* Register variable[9]: Result */
-      variable[9] = variable[12];
-      variable[8] = variable[9];
-      /* Register variable[9]: Result */
-      variable[9] = CALL_abstractmetamodel___MMLocalClass___global( variable[8] /*c*/)( variable[8] /*c*/) /*MMLocalClass::global*/;
-      /* Register variable[9]: Result */
-      variable[9] = CALL_abstractmetamodel___MMGlobalClass___is_interface(variable[9])(variable[9]) /*MMGlobalClass::is_interface*/;
-      /* Ensure var variable[9]: Left 'or' operand*/
-      if (!UNTAG_Bool(variable[9])) { /* or */
-        /* Register variable[9]: Result */
-        variable[9] = CALL_abstractmetamodel___MMLocalClass___global( variable[8] /*c*/)( variable[8] /*c*/) /*MMLocalClass::global*/;
-        /* Register variable[9]: Result */
-        variable[9] = CALL_abstractmetamodel___MMGlobalClass___is_universal(variable[9])(variable[9]) /*MMGlobalClass::is_universal*/;
+      /* ./../lib/standard//collection//array.nit:246 */
+      fra.me.REG[4] = ATTR_array___Array____items(fra.me.REG[4]);
+      REGB3 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+      if (UNTAG_Bool(REGB3)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 246);
       }
-      /* Register variable[9]: Result */
-      /* Ensure var variable[9]: Left 'or' operand*/
-      if (!UNTAG_Bool(variable[9])) { /* or */
-        /* Register variable[9]: Result */
-        variable[9] = CALL_abstractmetamodel___MMLocalClass___global( variable[8] /*c*/)( variable[8] /*c*/) /*MMLocalClass::global*/;
-        /* Register variable[9]: Result */
-        variable[9] = CALL_abstractmetamodel___MMGlobalClass___is_mixin(variable[9])(variable[9]) /*MMGlobalClass::is_mixin*/;
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[4] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB2)];
+      /* ./../lib/standard//collection//array.nit:246 */
+      goto label1;
+      label1: while(0);
+      /* ./syntax//typing.nit:249 */
+      fra.me.REG[0] = fra.me.REG[4];
+      /* ./syntax//typing.nit:250 */
+      REGB2 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        nit_abort("Reciever is null", NULL, LOCATE_typing, 250);
+      }
+      fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[0])(fra.me.REG[0]);
+      fra.me.REG[4] = CALL_abstractmetamodel___MMGlobalProperty___intro(fra.me.REG[4])(fra.me.REG[4]);
+      fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___local_class(fra.me.REG[4])(fra.me.REG[4]);
+      fra.me.REG[5] = CALL_syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[3])(fra.me.REG[3]);
+      fra.me.REG[5] = CALL_abstractmetamodel___MMLocalClass___for_module(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      fra.me.REG[1] = fra.me.REG[5];
+    }
+    /* ./syntax//typing.nit:252 */
+    REGB2 = TAG_Int(0);
+    /* ./syntax//typing.nit:253 */
+    while(1) {
+      fra.me.REG[5] = CALL_syntax_base___AbsSyntaxVisitor___local_class(fra.me.REG[3])(fra.me.REG[3]);
+      fra.me.REG[5] = CALL_abstractmetamodel___MMLocalClass___cshe(fra.me.REG[5])(fra.me.REG[5]);
+      fra.me.REG[5] = CALL_partial_order___PartialOrderElement___direct_greaters(fra.me.REG[5])(fra.me.REG[5]);
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+      if (UNTAG_Bool(REGB3)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
       }
-      /* Register variable[9]: Result */
-      if (UNTAG_Bool(variable[9])) { /*if*/
-        variable[7] = TAG_Int(UNTAG_Int(variable[7])+UNTAG_Int( TAG_Int(1))) /*j*/;
-      } else { /*if*/
-        /* Register variable[9]: Result */
-        variable[9] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[6] /*cur_c*/ ==  NIT_NULL /*null*/) || (( variable[6] /*cur_c*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[6] /*cur_c*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[6] /*cur_c*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[6] /*cur_c*/)( variable[6] /*cur_c*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-        /* Ensure var variable[9]: Left 'and' operand*/
-        if (UNTAG_Bool(variable[9])) { /* and */
-          /* Register variable[9]: Result */
-          variable[9] = CALL_abstractmetamodel___MMLocalClass___cshe( variable[8] /*c*/)( variable[8] /*c*/) /*MMLocalClass::cshe*/;
-          /* Register variable[9]: Result */
-          variable[9] = CALL_partial_order___PartialOrderElement_____leq(variable[9])(variable[9],  variable[6] /*cur_c*/) /*PartialOrderElement::<=*/;
-          /* Ensure var variable[9]: Left 'or' operand*/
-          if (!UNTAG_Bool(variable[9])) { /* or */
-            /* Register variable[9]: Result */
-            variable[9] = CALL_abstractmetamodel___MMLocalClass___global( variable[6] /*cur_c*/)( variable[6] /*cur_c*/) /*MMLocalClass::global*/;
-            /* Register variable[9]: Result */
-            variable[9] = CALL_abstractmetamodel___MMGlobalClass___is_mixin(variable[9])(variable[9]) /*MMGlobalClass::is_mixin*/;
+      REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[5]);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB3 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB3));
+      /* ./syntax//typing.nit:253 */
+      if (UNTAG_Bool(REGB3)) {
+        /* ./syntax//typing.nit:254 */
+        fra.me.REG[5] = CALL_syntax_base___AbsSyntaxVisitor___local_class(fra.me.REG[3])(fra.me.REG[3]);
+        fra.me.REG[5] = CALL_abstractmetamodel___MMLocalClass___cshe(fra.me.REG[5])(fra.me.REG[5]);
+        fra.me.REG[5] = CALL_partial_order___PartialOrderElement___direct_greaters(fra.me.REG[5])(fra.me.REG[5]);
+        /* ./../lib/standard//collection//array.nit:243 */
+        REGB3 = REGB2;
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB4 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:213 */
+        REGB4 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB4));
+        /* ./../lib/standard//collection//array.nit:245 */
+        if (UNTAG_Bool(REGB4)) {
+          REGB4 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[5])!=NIT_NULL);
+          if (UNTAG_Bool(REGB4)) {
+          } else {
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
           }
-          /* Register variable[9]: Result */
+          REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[5]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB4 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
+        } else {
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB5 = TAG_Bool(false);
+          REGB4 = REGB5;
+        }
+        if (UNTAG_Bool(REGB4)) {
+        } else {
+          nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+        }
+        /* ./../lib/standard//collection//array.nit:246 */
+        fra.me.REG[5] = ATTR_array___Array____items(fra.me.REG[5]);
+        REGB4 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+        if (UNTAG_Bool(REGB4)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[5] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB3)];
+        /* ./../lib/standard//collection//array.nit:246 */
+        goto label2;
+        label2: while(0);
+        /* ./syntax//typing.nit:255 */
+        fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[5])(fra.me.REG[5]);
+        REGB3 = CALL_abstractmetamodel___MMGlobalClass___is_interface(fra.me.REG[4])(fra.me.REG[4]);
+        if (UNTAG_Bool(REGB3)) {
+          REGB3 = TAG_Bool(true);
+        } else {
+          fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[5])(fra.me.REG[5]);
+          REGB4 = CALL_abstractmetamodel___MMGlobalClass___is_enum(fra.me.REG[4])(fra.me.REG[4]);
+          REGB3 = REGB4;
         }
-        /* Register variable[9]: Result */
-        if (UNTAG_Bool(variable[9])) { /*if*/
-          /* Register variable[9]: Result */
-          variable[9] = TAG_Bool(( variable[8] /*c*/ ==  variable[6] /*cur_c*/) || (( variable[8] /*c*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[8] /*c*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[8] /*c*/, variable[6] /*cur_c*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[8] /*c*/)( variable[8] /*c*/,  variable[6] /*cur_c*/) /*Object::==*/)))));
-          if (UNTAG_Bool(variable[9])) { /*if*/
-            variable[7] = TAG_Int(UNTAG_Int(variable[7])+UNTAG_Int( TAG_Int(1))) /*j*/;
+        if (UNTAG_Bool(REGB3)) {
+          REGB3 = TAG_Bool(true);
+        } else {
+          fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[5])(fra.me.REG[5]);
+          REGB4 = CALL_abstractmetamodel___MMGlobalClass___is_mixin(fra.me.REG[4])(fra.me.REG[4]);
+          REGB3 = REGB4;
+        }
+        if (UNTAG_Bool(REGB3)) {
+          /* ./syntax//typing.nit:256 */
+          REGB3 = TAG_Int(1);
+          /* ./../lib/standard//kernel.nit:215 */
+          REGB3 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB3));
+          /* ./syntax//typing.nit:256 */
+          REGB2 = REGB3;
+        } else {
+          /* ./syntax//typing.nit:257 */
+          REGB3 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+          if (UNTAG_Bool(REGB3)) {
+          } else {
+            REGB4 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+            if (UNTAG_Bool(REGB4)) {
+              REGB4 = TAG_Bool(false);
+              REGB3 = REGB4;
+            } else {
+              REGB4 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+              REGB3 = REGB4;
+            }
           }
-          /* Register variable[9]: Result */
-          variable[9] = CALL_typing___AConcreteInitPropdef___super_init_calls(variable[0])(variable[0]) /*AConcreteInitPropdef::super_init_calls*/;
-          CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9],  variable[5] /*cur_m*/) /*AbstractArray::add*/;
-          variable[3] = TAG_Int(UNTAG_Int(variable[3])+UNTAG_Int( TAG_Int(1))) /*i*/;
-          /* Register variable[9]: Result */
-          variable[9] = TAG_Bool(UNTAG_Int( variable[3] /*i*/)<UNTAG_Int( variable[4] /*l*/));
-          if (UNTAG_Bool(variable[9])) { /*if*/
-            /* Register variable[9]: Result */
-            variable[9] = CALL_typing___AConcreteInitPropdef___explicit_super_init_calls(variable[0])(variable[0]) /*AConcreteInitPropdef::explicit_super_init_calls*/;
-            /* Register variable[10]: Local variable */
-            variable[10] = variable[9];
-            /* Register variable[11]: Local variable */
-            variable[11] =  variable[3] /*i*/;
-            /* Register variable[12]: Method return value and escape marker */
-            /* Register variable[13]: Result */
-            variable[13] = TAG_Bool(UNTAG_Int( variable[11] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-            /* Ensure var variable[13]: Left 'and' operand*/
-            if (UNTAG_Bool(variable[13])) { /* and */
-              /* Register variable[13]: Result */
-              variable[13] = ATTR_array___AbstractArrayRead____length(variable[10]) /*AbstractArrayRead::_length*/;
-              /* Register variable[13]: Result */
-              variable[13] = TAG_Bool(UNTAG_Int( variable[11] /*index*/)<UNTAG_Int(variable[13]));
+          REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+          if (UNTAG_Bool(REGB3)) {
+            fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___cshe(fra.me.REG[5])(fra.me.REG[5]);
+            REGB3 = CALL_partial_order___PartialOrderElement_____leq(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1]);
+            if (UNTAG_Bool(REGB3)) {
+              REGB3 = TAG_Bool(true);
+            } else {
+              REGB4 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+              if (UNTAG_Bool(REGB4)) {
+		nit_abort("Reciever is null", NULL, LOCATE_typing, 257);
+              }
+              fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[1])(fra.me.REG[1]);
+              REGB4 = CALL_abstractmetamodel___MMGlobalClass___is_mixin(fra.me.REG[4])(fra.me.REG[4]);
+              REGB3 = REGB4;
             }
-            /* Register variable[13]: Result */
-            if (!UNTAG_Bool(variable[13])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_typing, 234); nit_exit(1);}
-            /* Register variable[13]: Result */
-            variable[13] = ATTR_array___Array____items(variable[10]) /*Array::_items*/;
-            /* Register variable[13]: Result */
-            variable[13] = UNBOX_NativeArray(variable[13])[UNTAG_Int( variable[11] /*index*/)];
-            variable[12] = variable[13];
-            goto return_label39;
-            return_label39: while(false);
-            /* Register variable[9]: Result */
-            variable[9] = variable[12];
-            variable[5] = variable[9] /*cur_m=*/;
-            /* Register variable[9]: Result */
-            variable[9] = CALL_abstractmetamodel___MMLocalProperty___global( variable[5] /*cur_m*/)( variable[5] /*cur_m*/) /*MMLocalProperty::global*/;
-            /* Register variable[9]: Result */
-            variable[9] = CALL_abstractmetamodel___MMGlobalProperty___intro(variable[9])(variable[9]) /*MMGlobalProperty::intro*/;
-            /* Register variable[9]: Result */
-            variable[9] = CALL_abstractmetamodel___MMLocalProperty___local_class(variable[9])(variable[9]) /*MMLocalProperty::local_class*/;
-            /* Register variable[10]: Result */
-            variable[10] = CALL_syntax_base___AbsSyntaxVisitor___module( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::module*/;
-            /* Register variable[9]: Result */
-            variable[9] = CALL_abstractmetamodel___MMLocalClass___for_module(variable[9])(variable[9], variable[10]) /*MMLocalClass::for_module*/;
-            variable[6] = variable[9] /*cur_c=*/;
-          } else { /*if*/
-            variable[5] =  NIT_NULL /*null*/ /*cur_m=*/;
-            variable[6] =  NIT_NULL /*null*/ /*cur_c=*/;
+          } else {
+            REGB4 = TAG_Bool(false);
+            REGB3 = REGB4;
           }
-        } else { /*if*/
-          /* Register variable[9]: Local variable */
-          /* Register variable[10]: Result */
-          variable[10] = CALL_syntax_base___AMethPropdef___method(variable[0])(variable[0]) /*AMethPropdef::method*/;
-          /* Register variable[10]: Result */
-          variable[10] = CALL_typing___TypingVisitor___get_default_constructor_for( variable[1] /*v*/)( variable[1] /*v*/, variable[0],  variable[8] /*c*/, variable[10]) /*TypingVisitor::get_default_constructor_for*/;
-          variable[9] = variable[10];
-          /* Register variable[10]: Result */
-          variable[10] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[9] /*p*/ ==  NIT_NULL /*null*/) || (( variable[9] /*p*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[9] /*p*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[9] /*p*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[9] /*p*/)( variable[9] /*p*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-          if (UNTAG_Bool(variable[10])) { /*if*/
-            /* Register variable[10]: Result */
-            variable[10] = CALL_typing___AConcreteInitPropdef___super_init_calls(variable[0])(variable[0]) /*AConcreteInitPropdef::super_init_calls*/;
-            CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10],  variable[9] /*p*/) /*AbstractArray::add*/;
+          if (UNTAG_Bool(REGB3)) {
+            /* ./syntax//typing.nit:258 */
+            REGB3 = TAG_Bool(IS_EQUAL_ON(fra.me.REG[5],fra.me.REG[1]));
+            if (UNTAG_Bool(REGB3)) {
+            } else {
+              REGB4 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1]);
+              REGB3 = REGB4;
+            }
+            if (UNTAG_Bool(REGB3)) {
+              REGB3 = TAG_Int(1);
+              /* ./../lib/standard//kernel.nit:215 */
+              REGB3 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB3));
+              /* ./syntax//typing.nit:258 */
+              REGB2 = REGB3;
+            }
+            /* ./syntax//typing.nit:259 */
+            fra.me.REG[4] = CALL_syntax_base___AConcreteInitPropdef___super_init_calls(fra.me.REG[2])(fra.me.REG[2]);
+            REGB3 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+            if (UNTAG_Bool(REGB3)) {
+            } else {
+              nit_abort("Cast failed", NULL, LOCATE_typing, 259);
+            }
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0]);
+            /* ./syntax//typing.nit:260 */
+            REGB3 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB3 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB3));
+            /* ./syntax//typing.nit:260 */
+            REGB0 = REGB3;
+            /* ./../lib/standard//kernel.nit:212 */
+            REGB3 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+            /* ./syntax//typing.nit:261 */
+            if (UNTAG_Bool(REGB3)) {
+              /* ./syntax//typing.nit:262 */
+              fra.me.REG[4] = CALL_syntax_base___AConcreteInitPropdef___explicit_super_init_calls(fra.me.REG[2])(fra.me.REG[2]);
+              /* ./../lib/standard//collection//array.nit:243 */
+              REGB3 = REGB0;
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB4 = TAG_Int(0);
+              /* ./../lib/standard//kernel.nit:213 */
+              REGB4 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB4));
+              /* ./../lib/standard//collection//array.nit:245 */
+              if (UNTAG_Bool(REGB4)) {
+		REGB4 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+		if (UNTAG_Bool(REGB4)) {
+		} else {
+		nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+		}
+		REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+		/* ./../lib/standard//kernel.nit:212 */
+		REGB4 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
+              } else {
+		/* ./../lib/standard//collection//array.nit:245 */
+		REGB5 = TAG_Bool(false);
+		REGB4 = REGB5;
+              }
+              if (UNTAG_Bool(REGB4)) {
+              } else {
+		nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+              }
+              /* ./../lib/standard//collection//array.nit:246 */
+              fra.me.REG[4] = ATTR_array___Array____items(fra.me.REG[4]);
+              REGB4 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+              if (UNTAG_Bool(REGB4)) {
+		nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+              }
+              /* ./../lib/standard//collection//array.nit:654 */
+              fra.me.REG[4] = ((Nit_NativeArray)fra.me.REG[4])->val[UNTAG_Int(REGB3)];
+              /* ./../lib/standard//collection//array.nit:246 */
+              goto label3;
+              label3: while(0);
+              /* ./syntax//typing.nit:262 */
+              fra.me.REG[0] = fra.me.REG[4];
+              /* ./syntax//typing.nit:263 */
+              REGB3 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+              if (UNTAG_Bool(REGB3)) {
+		nit_abort("Reciever is null", NULL, LOCATE_typing, 263);
+              }
+              fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[0])(fra.me.REG[0]);
+              fra.me.REG[4] = CALL_abstractmetamodel___MMGlobalProperty___intro(fra.me.REG[4])(fra.me.REG[4]);
+              fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___local_class(fra.me.REG[4])(fra.me.REG[4]);
+              fra.me.REG[6] = CALL_syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[3])(fra.me.REG[3]);
+              fra.me.REG[6] = CALL_abstractmetamodel___MMLocalClass___for_module(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[6]);
+              fra.me.REG[1] = fra.me.REG[6];
+            } else {
+              /* ./syntax//typing.nit:265 */
+              fra.me.REG[0] = NIT_NULL;
+              /* ./syntax//typing.nit:266 */
+              fra.me.REG[1] = NIT_NULL;
+            }
+          } else {
+            /* ./syntax//typing.nit:269 */
+            fra.me.REG[6] = CALL_syntax_base___AMethPropdef___method(fra.me.REG[2])(fra.me.REG[2]);
+            fra.me.REG[6] = CALL_typing___TypingVisitor___get_default_constructor_for(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[5], fra.me.REG[6]);
+            /* ./syntax//typing.nit:270 */
+            REGB3 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+            if (UNTAG_Bool(REGB3)) {
+            } else {
+              REGB4 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+              if (UNTAG_Bool(REGB4)) {
+		REGB4 = TAG_Bool(false);
+		REGB3 = REGB4;
+              } else {
+		REGB4 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
+		REGB3 = REGB4;
+              }
+            }
+            REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+            if (UNTAG_Bool(REGB3)) {
+              /* ./syntax//typing.nit:271 */
+              fra.me.REG[5] = CALL_syntax_base___AConcreteInitPropdef___super_init_calls(fra.me.REG[2])(fra.me.REG[2]);
+              CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+            }
+            /* ./syntax//typing.nit:273 */
+            REGB3 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB3 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB3));
+            /* ./syntax//typing.nit:273 */
+            REGB2 = REGB3;
           }
-          variable[7] = TAG_Int(UNTAG_Int(variable[7])+UNTAG_Int( TAG_Int(1))) /*j*/;
         }
+      } else {
+        /* ./syntax//typing.nit:253 */
+        goto label4;
       }
-      continue_37: while(0);
     }
-    break_37: while(0);
+    label4: while(0);
   }
-  return_label35: while(false);
-  tracehead = trace.prev;
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AConcreteInitPropdef___super_init_calls(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 189, LOCATE_typing___AConcreteInitPropdef___super_init_calls};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AConcreteInitPropdef____super_init_calls( self) /*AConcreteInitPropdef::_super_init_calls*/;
-}
-val_t typing___AConcreteInitPropdef___explicit_super_init_calls(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 190, LOCATE_typing___AConcreteInitPropdef___explicit_super_init_calls};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AConcreteInitPropdef____explicit_super_init_calls( self) /*AConcreteInitPropdef::_explicit_super_init_calls*/;
-}
-void typing___PParam___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 237, LOCATE_typing___PParam___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Result */
-    variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___PParam___variable(variable[0])(variable[0]) /*PParam::variable*/;
-    CALL_control_flow___VariableContext___add(variable[3])(variable[3], variable[4]) /*VariableContext::add*/;
-  }
-  return_label40: while(false);
-  tracehead = trace.prev;
+void typing___AParam___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 281;
+  fra.me.meth = LOCATE_typing___AParam___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:283 */
+  fra.me.REG[1] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[0] = CALL_syntax_base___AParam___variable(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_scope___ScopeContext___add_variable(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AClosureDecl___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 250, LOCATE_typing___AClosureDecl___accept_typing};
-        static val_t once_value_42 = NIT_NULL; /* Once value for string variable[5]*/
-          static val_t once_value_43 = NIT_NULL; /* Once value for string variable[5]*/
-  val_t variable[7];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___PClosureDecl___variable(variable[0])(variable[0]) /*PClosureDecl::variable*/;
-  CALL_control_flow___VariableContext___add(variable[3])(variable[3], variable[4]) /*VariableContext::add*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___base_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::base_variable_ctx*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::base_variable_ctx=*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_control_flow___VariableContext___sub(variable[5])(variable[5], variable[0]) /*VariableContext::sub*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___PClosureDecl___variable(variable[0])(variable[0]) /*PClosureDecl::variable*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___ClosureVariable___closure(variable[5])(variable[5]) /*ClosureVariable::closure*/;
-  /* Register variable[5]: Result */
-  variable[5] = NEW_EscapableClosure_escape___EscapableClosure___init(variable[0], variable[5],  NIT_NULL /*null*/) /*new EscapableClosure*/;
-  ATTR_typing___AClosureDecl____escapable(variable[0]) /*AClosureDecl::_escapable*/ = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-  /* Register variable[6]: Result */
-  variable[6] = ATTR_typing___AClosureDecl____escapable(variable[0]) /*AClosureDecl::_escapable*/;
-  CALL_escape___EscapableContext___push(variable[5])(variable[5], variable[6]) /*EscapableContext::push*/;
-  CALL_SUPER_typing___AClosureDecl___accept_typing(variable[0])(variable[0], variable[1]) /*super AClosureDecl::accept_typing*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AClosureDecl___n_expr(variable[0])(variable[0]) /*AClosureDecl::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_control_flow___VariableContext___unreash(variable[5])(variable[5]) /*VariableContext::unreash*/;
-    /* Register variable[5]: Result */
-    variable[5] = TAG_Bool((variable[5])==( TAG_Bool(false)));
-    if (UNTAG_Bool(variable[5])) { /*if*/
-      /* Register variable[5]: Result */
-      variable[5] = CALL_syntax_base___PClosureDecl___variable(variable[0])(variable[0]) /*PClosureDecl::variable*/;
-      /* Register variable[5]: Result */
-      variable[5] = CALL_syntax_base___ClosureVariable___closure(variable[5])(variable[5]) /*ClosureVariable::closure*/;
-      /* Register variable[5]: Result */
-      variable[5] = CALL_static_type___MMClosure___signature(variable[5])(variable[5]) /*MMClosure::signature*/;
-      /* Register variable[5]: Result */
-      variable[5] = CALL_static_type___MMSignature___return_type(variable[5])(variable[5]) /*MMSignature::return_type*/;
-      /* Register variable[5]: Result */
-      variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))))));
-      if (UNTAG_Bool(variable[5])) { /*if*/
-        /* Register variable[5]: Once String constant */
-        if (once_value_42 != NIT_NULL) variable[5] = once_value_42;
-        else {
-          variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Control error: Reached end of block (a 'continue' with a value was expected)."), TAG_Int(77)) /*new String*/;
-          once_value_42 = variable[5];
+val_t typing___AClosureDecl___escapable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 288;
+  fra.me.meth = LOCATE_typing___AClosureDecl___escapable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:288 */
+  fra.me.REG[0] = ATTR_typing___AClosureDecl____escapable(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AClosureDecl___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[9];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+        static val_t once_value_1; /* Once value */
+          static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 291;
+  fra.me.meth = LOCATE_typing___AClosureDecl___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 10;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[9] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:291 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:294 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[5] = CALL_syntax_base___AClosureDecl___variable(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_scope___ScopeContext___add_variable(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+  /* ./syntax//typing.nit:296 */
+  fra.me.REG[5] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:297 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___base_flow_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:298 */
+  fra.me.REG[6] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_typing___TypingVisitor___base_flow_ctx__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+  /* ./syntax//typing.nit:300 */
+  fra.me.REG[6] = NIT_NULL;
+  /* ./syntax//typing.nit:301 */
+  fra.me.REG[7] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[7] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[7])(fra.me.REG[7]);
+  REGB0 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 301);
+  }
+  fra.me.REG[7] = CALL_static_type___MMSignature___return_type(fra.me.REG[7])(fra.me.REG[7]);
+  /* ./syntax//typing.nit:302 */
+  REGB0 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[7])(fra.me.REG[7], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[8] = NEW_Array_array___Array___init();
+    fra.me.REG[6] = fra.me.REG[8];
+  }
+  /* ./syntax//typing.nit:303 */
+  fra.me.REG[8] = CALL_syntax_base___AClosureDecl___variable(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[8] = CALL_syntax_base___ClosureVariable___closure(fra.me.REG[8])(fra.me.REG[8]);
+  fra.me.REG[8] = NEW_EscapableClosure_scope___EscapableClosure___init(fra.me.REG[2], fra.me.REG[8], fra.me.REG[6]);
+  /* ./syntax//typing.nit:304 */
+  ATTR_typing___AClosureDecl____escapable(fra.me.REG[2]) = fra.me.REG[8];
+  /* ./syntax//typing.nit:305 */
+  fra.me.REG[9] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_scope___ScopeContext___push_escapable(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8], NIT_NULL);
+  /* ./syntax//typing.nit:307 */
+  REGB0 = TAG_Bool(true);
+  CALL_typing___TypingVisitor___is_default_closure_definition__eq(fra.me.REG[3])(fra.me.REG[3], REGB0);
+  /* ./syntax//typing.nit:309 */
+  CALL_SUPER_typing___AClosureDecl___accept_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:311 */
+  REGB0 = TAG_Bool(false);
+  CALL_typing___TypingVisitor___is_default_closure_definition__eq(fra.me.REG[3])(fra.me.REG[3], REGB0);
+  /* ./syntax//typing.nit:313 */
+  fra.me.REG[1] = CALL_parser_nodes___AClosureDecl___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:314 */
+    fra.me.REG[1] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[3])(fra.me.REG[3]);
+    REGB0 = CALL_flow___FlowContext___unreash(fra.me.REG[1])(fra.me.REG[1]);
+    REGB1 = TAG_Bool(false);
+    REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      /* ./../lib/standard//kernel.nit:175 */
+      REGB1 = TAG_Bool((REGB0)==(REGB1));
+      /* ./syntax//typing.nit:314 */
+      REGB2 = REGB1;
+    }
+    if (UNTAG_Bool(REGB2)) {
+      /* ./syntax//typing.nit:315 */
+      fra.me.REG[1] = CALL_syntax_base___AClosureDecl___variable(fra.me.REG[2])(fra.me.REG[2]);
+      fra.me.REG[1] = CALL_syntax_base___ClosureVariable___closure(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[1] = CALL_static_type___MMClosure___signature(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[1] = CALL_static_type___MMSignature___return_type(fra.me.REG[1])(fra.me.REG[1]);
+      REGB2 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(false);
+          REGB2 = REGB1;
+        } else {
+          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+          REGB2 = REGB1;
         }
-        /* Register variable[5]: Result */
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-      } else { /*if*/
-        /* Register variable[5]: Result */
-        variable[5] = CALL_syntax_base___PClosureDecl___variable(variable[0])(variable[0]) /*PClosureDecl::variable*/;
-        /* Register variable[5]: Result */
-        variable[5] = CALL_syntax_base___ClosureVariable___closure(variable[5])(variable[5]) /*ClosureVariable::closure*/;
-        /* Register variable[5]: Result */
-        variable[5] = CALL_static_type___MMClosure___is_break(variable[5])(variable[5]) /*MMClosure::is_break*/;
-        if (UNTAG_Bool(variable[5])) { /*if*/
-          /* Register variable[5]: Once String constant */
-          if (once_value_43 != NIT_NULL) variable[5] = once_value_43;
-          else {
-            variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Control error: Reached end of break block (an 'abort' was expected)."), TAG_Int(68)) /*new String*/;
-            once_value_43 = variable[5];
+      }
+      REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+      if (UNTAG_Bool(REGB2)) {
+        /* ./syntax//typing.nit:316 */
+        if (!once_value_1) {
+          fra.me.REG[1] = BOX_NativeString("Control error: Reached end of block (a 'continue' with a value was expected).");
+          REGB2 = TAG_Int(77);
+          fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB2);
+          once_value_1 = fra.me.REG[1];
+          register_static_object(&once_value_1);
+        } else fra.me.REG[1] = once_value_1;
+        fra.me.REG[1] = fra.me.REG[1];
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[1]);
+      } else {
+        /* ./syntax//typing.nit:317 */
+        fra.me.REG[1] = CALL_syntax_base___AClosureDecl___variable(fra.me.REG[2])(fra.me.REG[2]);
+        fra.me.REG[1] = CALL_syntax_base___ClosureVariable___closure(fra.me.REG[1])(fra.me.REG[1]);
+        REGB2 = CALL_static_type___MMClosure___is_break(fra.me.REG[1])(fra.me.REG[1]);
+        if (UNTAG_Bool(REGB2)) {
+          fra.me.REG[8] = CALL_scope___EscapableBlock___break_list(fra.me.REG[8])(fra.me.REG[8]);
+          REGB2 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+          } else {
+            REGB1 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+            if (UNTAG_Bool(REGB1)) {
+              REGB1 = TAG_Bool(false);
+              REGB2 = REGB1;
+            } else {
+              REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[8])(fra.me.REG[8], NIT_NULL);
+              REGB2 = REGB1;
+            }
           }
-          /* Register variable[5]: Result */
-          CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
+          REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+        } else {
+          REGB1 = TAG_Bool(false);
+          REGB2 = REGB1;
+        }
+        if (UNTAG_Bool(REGB2)) {
+          /* ./syntax//typing.nit:318 */
+          if (!once_value_2) {
+            fra.me.REG[8] = BOX_NativeString("Control error: Reached end of break block (a 'break' with a value was expected).");
+            REGB2 = TAG_Int(80);
+            fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB2);
+            once_value_2 = fra.me.REG[8];
+            register_static_object(&once_value_2);
+          } else fra.me.REG[8] = once_value_2;
+          fra.me.REG[8] = fra.me.REG[8];
+          CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[8]);
         }
       }
     }
   }
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_control_flow___VariableContext___merge( variable[3] /*old_var_ctx*/)( variable[3] /*old_var_ctx*/, variable[5]) /*VariableContext::merge*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[4] /*old_base_var_ctx*/) /*TypingVisitor::base_variable_ctx=*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-  CALL_escape___EscapableContext___pop(variable[5])(variable[5]) /*EscapableContext::pop*/;
-  return_label41: while(false);
-  tracehead = trace.prev;
+  /* ./syntax//typing.nit:322 */
+  REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB2 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
+      REGB2 = REGB1;
+    }
+  }
+  REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+  if (UNTAG_Bool(REGB2)) {
+    REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 322);
+    }
+    /* ./../lib/standard//collection//array.nit:234 */
+    REGB2 = TAG_Int(0);
+    /* ./../lib/standard//collection//array.nit:235 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+    /* ./../lib/standard//collection//array.nit:236 */
+    fra.me.REG[8] = ATTR_array___Array____items(fra.me.REG[6]);
+    /* ./../lib/standard//collection//array.nit:237 */
+    while(1) {
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+      }
+      REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB1 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:237 */
+      if (UNTAG_Bool(REGB1)) {
+        /* ./../lib/standard//collection//array.nit:238 */
+        REGB1 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[8])->val[UNTAG_Int(REGB2)];
+        /* ./syntax//typing.nit:323 */
+        CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[7]);
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB1 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB1 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB1));
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB2 = REGB1;
+      } else {
+        /* ./../lib/standard//collection//array.nit:237 */
+        goto label3;
+      }
+    }
+    label3: while(0);
+  }
+  /* ./syntax//typing.nit:326 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+  /* ./syntax//typing.nit:327 */
+  CALL_typing___TypingVisitor___base_flow_ctx__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:328 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_scope___ScopeContext___pop(fra.me.REG[3])(fra.me.REG[3]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AClosureDecl___escapable(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 247, LOCATE_typing___AClosureDecl___escapable};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AClosureDecl____escapable( self) /*AClosureDecl::_escapable*/;
-}
-void typing___PType___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 284, LOCATE_typing___PType___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PType___get_stype(variable[0])(variable[0],  variable[1] /*v*/) /*PType::get_stype*/;
-  ATTR_typing___PType____stype(variable[0]) /*PType::_stype*/ = variable[3];
-  return_label44: while(false);
-  tracehead = trace.prev;
+val_t typing___AType___stype(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 333;
+  fra.me.meth = LOCATE_typing___AType___stype;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:333 */
+  fra.me.REG[0] = ATTR_typing___AType____stype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 333);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AType___is_typed(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 334;
+  fra.me.meth = LOCATE_typing___AType___is_typed;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:334 */
+  fra.me.REG[0] = ATTR_typing___AType____stype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+void typing___AType___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 337;
+  fra.me.meth = LOCATE_typing___AType___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:339 */
+  fra.me.REG[1] = CALL_syntax_base___AType___get_stype(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  ATTR_typing___AType____stype(fra.me.REG[0]) = fra.me.REG[1];
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___PType___stype(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 283, LOCATE_typing___PType___stype};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___PType____stype( self) /*PType::_stype*/;
-}
-val_t typing___PExpr___is_typed(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 291, LOCATE_typing___PExpr___is_typed};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___PExpr____is_typed( self) /*PExpr::_is_typed*/;
-}
-val_t typing___PExpr___is_statement(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 292, LOCATE_typing___PExpr___is_statement};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  /* Register variable[2]: Result */
-  variable[2] = TAG_Bool((variable[2] ==  NIT_NULL /*null*/) || ((variable[2] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[2])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[2], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[2])(variable[2],  NIT_NULL /*null*/) /*Object::==*/)))));
-  variable[1] = variable[2];
-  goto return_label45;
-  return_label45: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___PExpr___stype(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 293, LOCATE_typing___PExpr___stype};
-    static val_t once_value_47 = NIT_NULL; /* Once value for string variable[3]*/
-    static val_t once_value_48 = NIT_NULL; /* Once value for string variable[3]*/
-    static val_t once_value_49 = NIT_NULL; /* Once value for string variable[3]*/
-    static val_t once_value_50 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_syntax_base___PExpr___is_typed(variable[0])(variable[0]) /*PExpr::is_typed*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[2])))) { /*if*/
-    variable[2] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[3]: Once String constant */
-    if (once_value_47 != NIT_NULL) variable[3] = once_value_47;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-      once_value_47 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    /* Ensure var variable[3]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[2])(variable[2], variable[3]) /*AbstractArray::add*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_prod___PNode___locate(variable[0])(variable[0]) /*Prod::locate*/;
-    /* Ensure var variable[3]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[2])(variable[2], variable[3]) /*AbstractArray::add*/;
-    /* Register variable[3]: Once String constant */
-    if (once_value_48 != NIT_NULL) variable[3] = once_value_48;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString(": not is_typed"), TAG_Int(14)) /*new String*/;
-      once_value_48 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    /* Ensure var variable[3]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[2])(variable[2], variable[3]) /*AbstractArray::add*/;
-    /* Register variable[2]: Result */
-    variable[2] = CALL_string___Object___to_s(variable[2])(variable[2]) /*Object::to_s*/;
-    CALL_file___Object___print(variable[0])(variable[0], variable[2]) /*Object::print*/;
-    fprintf(stderr, "Aborted"); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_typing___PExpr___stype, LOCATE_typing, 297); nit_exit(1);
-  }
-  /* Register variable[2]: Result */
-  variable[2] = CALL_syntax_base___PExpr___is_statement(variable[0])(variable[0]) /*PExpr::is_statement*/;
-  if (UNTAG_Bool(variable[2])) { /*if*/
-    variable[2] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[3]: Once String constant */
-    if (once_value_49 != NIT_NULL) variable[3] = once_value_49;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-      once_value_49 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    /* Ensure var variable[3]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[2])(variable[2], variable[3]) /*AbstractArray::add*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_prod___PNode___locate(variable[0])(variable[0]) /*Prod::locate*/;
-    /* Ensure var variable[3]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[2])(variable[2], variable[3]) /*AbstractArray::add*/;
-    /* Register variable[3]: Once String constant */
-    if (once_value_50 != NIT_NULL) variable[3] = once_value_50;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString(": is_statement"), TAG_Int(14)) /*new String*/;
-      once_value_50 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    /* Ensure var variable[3]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[2])(variable[2], variable[3]) /*AbstractArray::add*/;
-    /* Register variable[2]: Result */
-    variable[2] = CALL_string___Object___to_s(variable[2])(variable[2]) /*Object::to_s*/;
-    CALL_file___Object___print(variable[0])(variable[0], variable[2]) /*Object::print*/;
-    fprintf(stderr, "Aborted"); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_typing___PExpr___stype, LOCATE_typing, 301); nit_exit(1);
-  }
-  /* Register variable[2]: Result */
-  variable[2] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  variable[1] = variable[2];
-  goto return_label46;
-  return_label46: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___PExpr___is_implicit_self(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 307, LOCATE_typing___PExpr___is_implicit_self};
-  val_t variable[2];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  variable[1] =  TAG_Bool(false);
-  goto return_label51;
-  return_label51: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___PExpr___is_self(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 310, LOCATE_typing___PExpr___is_self};
-  val_t variable[2];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  variable[1] =  TAG_Bool(false);
-  goto return_label52;
-  return_label52: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___PExpr___its_variable(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 313, LOCATE_typing___PExpr___its_variable};
-  val_t variable[2];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  variable[1] =  NIT_NULL /*null*/;
-  goto return_label53;
-  return_label53: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___PExpr___if_true_variable_ctx(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 316, LOCATE_typing___PExpr___if_true_variable_ctx};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___PExpr____if_true_variable_ctx( self) /*PExpr::_if_true_variable_ctx*/;
-}
-val_t typing___PExpr___if_false_variable_ctx(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 319, LOCATE_typing___PExpr___if_false_variable_ctx};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___PExpr____if_false_variable_ctx( self) /*PExpr::_if_false_variable_ctx*/;
-}
-void typing___AVardeclExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 324, LOCATE_typing___AVardeclExpr___after_typing};
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AVardeclExpr___n_id(variable[0])(variable[0]) /*AVardeclExpr::n_id*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___Token___to_symbol(variable[4])(variable[4]) /*Token::to_symbol*/;
-  /* Register variable[4]: Result */
-  variable[4] = NEW_VarVariable_syntax_base___VarVariable___init(variable[4], variable[0]) /*new VarVariable*/;
-  variable[3] = variable[4];
-  CALL_syntax_base___AVardeclExpr___variable__eq(variable[0])(variable[0],  variable[3] /*va*/) /*AVardeclExpr::variable=*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_control_flow___VariableContext___add(variable[4])(variable[4],  variable[3] /*va*/) /*VariableContext::add*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AVardeclExpr___n_expr(variable[0])(variable[0]) /*AVardeclExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    CALL_control_flow___VariableContext___mark_is_set(variable[4])(variable[4],  variable[3] /*va*/) /*VariableContext::mark_is_set*/;
-  }
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AVardeclExpr___n_type(variable[0])(variable[0]) /*AVardeclExpr::n_type*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AVardeclExpr___n_type(variable[0])(variable[0]) /*AVardeclExpr::n_type*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___PType___stype(variable[4])(variable[4]) /*PType::stype*/;
-    CALL_syntax_base___Variable___stype__eq( variable[3] /*va*/)( variable[3] /*va*/, variable[4]) /*Variable::stype=*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AVardeclExpr___n_expr(variable[0])(variable[0]) /*AVardeclExpr::n_expr*/;
-    /* Register variable[4]: Result */
-    variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-    if (UNTAG_Bool(variable[4])) { /*if*/
-      /* Register variable[4]: Result */
-      variable[4] = CALL_parser_nodes___AVardeclExpr___n_expr(variable[0])(variable[0]) /*AVardeclExpr::n_expr*/;
-      /* Register variable[5]: Result */
-      variable[5] = CALL_syntax_base___Variable___stype( variable[3] /*va*/)( variable[3] /*va*/) /*Variable::stype*/;
-      CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::check_conform_expr*/;
-    }
-  } else { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AVardeclExpr___n_expr(variable[0])(variable[0]) /*AVardeclExpr::n_expr*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___AbsSyntaxVisitor___check_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*AbsSyntaxVisitor::check_expr*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[4])))) { /*if*/
-      goto return_label54;
-    }
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AVardeclExpr___n_expr(variable[0])(variable[0]) /*AVardeclExpr::n_expr*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___PExpr___stype(variable[4])(variable[4]) /*PExpr::stype*/;
-    CALL_syntax_base___Variable___stype__eq( variable[3] /*va*/)( variable[3] /*va*/, variable[4]) /*Variable::stype=*/;
-  }
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label54: while(false);
-  tracehead = trace.prev;
+val_t typing___AExpr___is_typed(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 344;
+  fra.me.meth = LOCATE_typing___AExpr___is_typed;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:344 */
+  REGB0 = TAG_Bool(ATTR_typing___AExpr____is_typed(fra.me.REG[0])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_is_typed", LOCATE_typing, 344);
+  }
+  REGB0 = ATTR_typing___AExpr____is_typed(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t typing___AExpr___is_statement(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 345;
+  fra.me.meth = LOCATE_typing___AExpr___is_statement;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:345 */
+  fra.me.REG[0] = ATTR_typing___AExpr____stype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t typing___AExpr___stype(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+    static val_t once_value_4; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 346;
+  fra.me.meth = LOCATE_typing___AExpr___stype;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:348 */
+  REGB0 = CALL_syntax_base___AExpr___is_typed(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:349 */
+    REGB0 = TAG_Int(3);
+    fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_1) {
+      fra.me.REG[2] = BOX_NativeString("");
+      REGB0 = TAG_Int(0);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+      once_value_1 = fra.me.REG[2];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[2] = once_value_1;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[2] = CALL_parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    if (!once_value_2) {
+      fra.me.REG[2] = BOX_NativeString(": not is_typed");
+      REGB0 = TAG_Int(14);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+      once_value_2 = fra.me.REG[2];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[2] = once_value_2;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+    CALL_file___Object___print(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./syntax//typing.nit:350 */
+    nit_abort("Aborted", NULL, LOCATE_typing, 350);
+  }
+  /* ./syntax//typing.nit:352 */
+  REGB0 = CALL_syntax_base___AExpr___is_statement(fra.me.REG[0])(fra.me.REG[0]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:353 */
+    REGB0 = TAG_Int(3);
+    fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_3) {
+      fra.me.REG[2] = BOX_NativeString("");
+      REGB0 = TAG_Int(0);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+      once_value_3 = fra.me.REG[2];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[2] = once_value_3;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[2] = CALL_parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    if (!once_value_4) {
+      fra.me.REG[2] = BOX_NativeString(": is_statement");
+      REGB0 = TAG_Int(14);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+      once_value_4 = fra.me.REG[2];
+      register_static_object(&once_value_4);
+    } else fra.me.REG[2] = once_value_4;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+    CALL_file___Object___print(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+    /* ./syntax//typing.nit:354 */
+    nit_abort("Aborted", NULL, LOCATE_typing, 354);
+  }
+  /* ./syntax//typing.nit:356 */
+  fra.me.REG[0] = ATTR_typing___AExpr____stype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 356);
+  }
+  goto label5;
+  label5: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 360;
+  fra.me.meth = LOCATE_typing___AExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:363 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ABlockExpr___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 345, LOCATE_typing___ABlockExpr___accept_typing};
-      static val_t once_value_57 = NIT_NULL; /* Once value for string variable[7]*/
-  val_t variable[8];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_control_flow___VariableContext___sub(variable[4])(variable[4], variable[0]) /*VariableContext::sub*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___ABlockExpr___n_expr(variable[0])(variable[0]) /*ABlockExpr::n_expr*/;
-  /* Register variable[4]: For iterator */
-  variable[4] = CALL_abstract_collection___Collection___iterator(variable[4])(variable[4]) /*List::iterator*/;
-  while (true) { /*for*/
-    /* Register variable[5]: For 'is_ok' result */
-    variable[5] = CALL_abstract_collection___Iterator___is_ok(variable[4])(variable[4]) /*ListIterator::is_ok*/;
-    if (!UNTAG_Bool(variable[5])) break; /*for*/
-    variable[5] = CALL_abstract_collection___Iterator___item(variable[4])(variable[4]) /*ListIterator::item*/ /* Ensure var: For item*/;
-    /* Register variable[6]: Local variable */
-    variable[6] = variable[5];
-    /* Register variable[7]: Result */
-    variable[7] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_control_flow___VariableContext___unreash(variable[7])(variable[7]) /*VariableContext::unreash*/;
-    /* Ensure var variable[7]: Left 'and' operand*/
-    if (UNTAG_Bool(variable[7])) { /* and */
-      /* Register variable[7]: Result */
-      variable[7] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_control_flow___VariableContext___already_unreash(variable[7])(variable[7]) /*VariableContext::already_unreash*/;
-      variable[7] =  TAG_Bool(!UNTAG_Bool(variable[7]));
-    }
-    /* Register variable[7]: Result */
-    if (UNTAG_Bool(variable[7])) { /*if*/
-      /* Register variable[7]: Result */
-      variable[7] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-      CALL_control_flow___VariableContext___already_unreash__eq(variable[7])(variable[7],  TAG_Bool(true)) /*VariableContext::already_unreash=*/;
-      /* Register variable[7]: Once String constant */
-      if (once_value_57 != NIT_NULL) variable[7] = once_value_57;
-      else {
-        variable[7] = NEW_String_string___String___with_native(BOX_NativeString("Warning: unreachable statement."), TAG_Int(31)) /*new String*/;
-        once_value_57 = variable[7];
+val_t typing___AExpr___is_implicit_self(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 366;
+  fra.me.meth = LOCATE_typing___AExpr___is_implicit_self;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:367 */
+  REGB0 = TAG_Bool(false);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t typing___AExpr___is_self(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 369;
+  fra.me.meth = LOCATE_typing___AExpr___is_self;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:370 */
+  REGB0 = TAG_Bool(false);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t typing___AExpr___its_variable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 372;
+  fra.me.meth = LOCATE_typing___AExpr___its_variable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:373 */
+  fra.me.REG[0] = NIT_NULL;
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AExpr___if_true_flow_ctx(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 375;
+  fra.me.meth = LOCATE_typing___AExpr___if_true_flow_ctx;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:375 */
+  fra.me.REG[0] = ATTR_typing___AExpr____if_true_flow_ctx(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AExpr___if_false_flow_ctx(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 378;
+  fra.me.meth = LOCATE_typing___AExpr___if_false_flow_ctx;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:378 */
+  fra.me.REG[0] = ATTR_typing___AExpr____if_false_flow_ctx(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AVardeclExpr___variable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 384;
+  fra.me.meth = LOCATE_typing___AVardeclExpr___variable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:384 */
+  fra.me.REG[0] = ATTR_typing___AVardeclExpr____variable(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 384);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AVardeclExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 386;
+  fra.me.meth = LOCATE_typing___AVardeclExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:388 */
+  fra.me.REG[2] = CALL_parser_nodes___AVardeclExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_syntax_base___Token___to_symbol(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[3] = CALL_parser_nodes___AVardeclExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = NEW_VarVariable_syntax_base___VarVariable___init(fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:389 */
+  ATTR_typing___AVardeclExpr____variable(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:390 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_scope___ScopeContext___add_variable(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:391 */
+  fra.me.REG[2] = CALL_parser_nodes___AVardeclExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./syntax//typing.nit:392 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    CALL_typing___TypingVisitor___mark_is_set(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  }
+  /* ./syntax//typing.nit:394 */
+  fra.me.REG[4] = CALL_parser_nodes___AVardeclExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:395 */
+    fra.me.REG[4] = CALL_parser_nodes___AVardeclExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 395);
+    }
+    REGB0 = CALL_syntax_base___AType___is_typed(fra.me.REG[4])(fra.me.REG[4]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      goto label1;
+    }
+    /* ./syntax//typing.nit:396 */
+    fra.me.REG[4] = CALL_parser_nodes___AVardeclExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 396);
+    }
+    fra.me.REG[4] = CALL_syntax_base___AType___stype(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_syntax_base___Variable___stype__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    /* ./syntax//typing.nit:397 */
+    REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:398 */
+      fra.me.REG[4] = CALL_syntax_base___Variable___stype(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[4]);
+    }
+  } else {
+    /* ./syntax//typing.nit:400 */
+    REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:401 */
+      REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      if (UNTAG_Bool(REGB0)) {
+        goto label1;
+      }
+      /* ./syntax//typing.nit:402 */
+      REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+        nit_abort("Reciever is null", NULL, LOCATE_typing, 402);
       }
-      /* Register variable[7]: Result */
-      CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/,  variable[6] /*e*/, variable[7]) /*AbsSyntaxVisitor::warning*/;
-    }
-    CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/,  variable[6] /*e*/) /*TypingVisitor::visit*/;
-    continue_56: while(0);
-    CALL_abstract_collection___Iterator___next(variable[4])(variable[4]) /*ListIterator::next*/;
-  }
-  break_56: while(0);
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_control_flow___VariableContext___merge( variable[3] /*old_var_ctx*/)( variable[3] /*old_var_ctx*/, variable[4]) /*VariableContext::merge*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label55: while(false);
-  tracehead = trace.prev;
+      fra.me.REG[2] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_syntax_base___Variable___stype__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+    } else {
+      /* ./syntax//typing.nit:404 */
+      fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_object(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[1] = CALL_static_type___MMType___as_nullable(fra.me.REG[1])(fra.me.REG[1]);
+      CALL_syntax_base___Variable___stype__eq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[1]);
+    }
+  }
+  /* ./syntax//typing.nit:406 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AReturnExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 365, LOCATE_typing___AReturnExpr___after_typing};
-    static val_t once_value_59 = NIT_NULL; /* Once value for string variable[4]*/
-      static val_t once_value_60 = NIT_NULL; /* Once value for string variable[4]*/
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_control_flow___VariableContext___unreash__eq(variable[3])(variable[3],  TAG_Bool(true)) /*VariableContext::unreash=*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMLocalProperty___signature(variable[4])(variable[4]) /*MMLocalProperty::signature*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMSignature___return_type(variable[4])(variable[4]) /*MMSignature::return_type*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AReturnExpr___n_expr(variable[0])(variable[0]) /*AReturnExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))));
-  /* Ensure var variable[4]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[4])) { /* and */
-    /* Register variable[4]: Result */
-    variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[3] /*t*/ ==  NIT_NULL /*null*/) || (( variable[3] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*t*/)( variable[3] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  }
-  /* Register variable[4]: Result */
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Once String constant */
-    if (once_value_59 != NIT_NULL) variable[4] = once_value_59;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString("Error: Return without value in a function."), TAG_Int(42)) /*new String*/;
-      once_value_59 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-  } else { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AReturnExpr___n_expr(variable[0])(variable[0]) /*AReturnExpr::n_expr*/;
-    /* Register variable[4]: Result */
-    variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-    /* Ensure var variable[4]: Left 'and' operand*/
-    if (UNTAG_Bool(variable[4])) { /* and */
-      /* Register variable[4]: Result */
-      variable[4] = TAG_Bool(( variable[3] /*t*/ ==  NIT_NULL /*null*/) || (( variable[3] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*t*/)( variable[3] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-    }
-    /* Register variable[4]: Result */
-    if (UNTAG_Bool(variable[4])) { /*if*/
-      /* Register variable[4]: Once String constant */
-      if (once_value_60 != NIT_NULL) variable[4] = once_value_60;
-      else {
-        variable[4] = NEW_String_string___String___with_native(BOX_NativeString("Error: Return with value in a procedure."), TAG_Int(40)) /*new String*/;
-        once_value_60 = variable[4];
+void typing___ABlockExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 411;
+  fra.me.meth = LOCATE_typing___ABlockExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:413 */
+  fra.me.REG[2] = CALL_parser_nodes___ABlockExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[2])(fra.me.REG[2], (&(fra.me)), ((fun_t)OC_typing___ABlockExpr___accept_typing_1));
+  /* ./syntax//typing.nit:422 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
+  return;
+}
+  void OC_typing___ABlockExpr___accept_typing_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+    val_t REGB0;
+    fun_t CREG[1];
+    val_t tmp;
+        static val_t once_value_2; /* Once value */
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_typing;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_typing___ABlockExpr___accept_typing;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 2;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.REG[1] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    /* ./syntax//typing.nit:414 */
+    fra.me.REG[1] = CALL_typing___TypingVisitor___flow_ctx(closctx->REG[1])(closctx->REG[1]);
+    REGB0 = CALL_flow___FlowContext___unreash(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:415 */
+      CALL_parser_prod___Visitor___enter_visit(closctx->REG[1])(closctx->REG[1], fra.me.REG[0]);
+    } else {
+      /* ./syntax//typing.nit:416 */
+      fra.me.REG[1] = CALL_typing___TypingVisitor___flow_ctx(closctx->REG[1])(closctx->REG[1]);
+      REGB0 = CALL_flow___FlowContext___already_unreash(fra.me.REG[1])(fra.me.REG[1]);
+      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:417 */
+        fra.me.REG[1] = CALL_typing___TypingVisitor___flow_ctx(closctx->REG[1])(closctx->REG[1]);
+        REGB0 = TAG_Bool(true);
+        CALL_flow___FlowContext___already_unreash__eq(fra.me.REG[1])(fra.me.REG[1], REGB0);
+        /* ./syntax//typing.nit:418 */
+        if (!once_value_2) {
+          fra.me.REG[1] = BOX_NativeString("Error: unreachable statement.");
+          REGB0 = TAG_Int(29);
+          fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+          once_value_2 = fra.me.REG[1];
+          register_static_object(&once_value_2);
+        } else fra.me.REG[1] = once_value_2;
+        fra.me.REG[1] = fra.me.REG[1];
+        CALL_syntax_base___AbsSyntaxVisitor___error(closctx->REG[1])(closctx->REG[1], fra.me.REG[0], fra.me.REG[1]);
       }
-      /* Register variable[4]: Result */
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[4]: Result */
-      variable[4] = CALL_parser_nodes___AReturnExpr___n_expr(variable[0])(variable[0]) /*AReturnExpr::n_expr*/;
-      /* Register variable[4]: Result */
-      variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-      /* Ensure var variable[4]: Left 'and' operand*/
-      if (UNTAG_Bool(variable[4])) { /* and */
-        /* Register variable[4]: Result */
-        variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[3] /*t*/ ==  NIT_NULL /*null*/) || (( variable[3] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*t*/)( variable[3] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
+    }
+    stack_frame_head = fra.me.prev;
+    return;
+  }
+void typing___AReturnExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+    static val_t once_value_3; /* Once value */
+      static val_t once_value_4; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 427;
+  fra.me.meth = LOCATE_typing___AReturnExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:429 */
+  CALL_typing___TypingVisitor___mark_unreash(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./syntax//typing.nit:430 */
+  fra.me.REG[2] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[2] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 430);
+  }
+  fra.me.REG[2] = CALL_static_type___MMSignature___return_type(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:432 */
+  REGB0 = CALL_typing___TypingVisitor___is_default_closure_definition(fra.me.REG[1])(fra.me.REG[1]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:433 */
+    if (!once_value_1) {
+      fra.me.REG[3] = BOX_NativeString("Error: 'return' invalid in default closure definitions. Use 'continue' or 'break'.");
+      REGB0 = TAG_Int(82);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_1 = fra.me.REG[3];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[3] = once_value_1;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+    /* ./syntax//typing.nit:434 */
+    goto label2;
+  }
+  /* ./syntax//typing.nit:437 */
+  fra.me.REG[3] = CALL_parser_nodes___AReturnExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./syntax//typing.nit:438 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:439 */
+    if (!once_value_3) {
+      fra.me.REG[4] = BOX_NativeString("Error: Return without value in a function.");
+      REGB0 = TAG_Int(42);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+      once_value_3 = fra.me.REG[4];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[4] = once_value_3;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+  } else {
+    /* ./syntax//typing.nit:440 */
+    REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(false);
+          REGB0 = REGB1;
+        } else {
+          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+          REGB0 = REGB1;
+        }
+      }
+    } else {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    }
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:441 */
+      if (!once_value_4) {
+        fra.me.REG[4] = BOX_NativeString("Error: Return with value in a procedure.");
+        REGB0 = TAG_Int(40);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+        once_value_4 = fra.me.REG[4];
+        register_static_object(&once_value_4);
+      } else fra.me.REG[4] = once_value_4;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+    } else {
+      /* ./syntax//typing.nit:442 */
+      REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(false);
+          REGB0 = REGB1;
+        } else {
+          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+          REGB0 = REGB1;
+        }
+      }
+      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      if (UNTAG_Bool(REGB0)) {
+        REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+            REGB1 = TAG_Bool(false);
+            REGB0 = REGB1;
+          } else {
+            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+            REGB0 = REGB1;
+          }
+        }
+        REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      } else {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
       }
-      /* Register variable[4]: Result */
-      if (UNTAG_Bool(variable[4])) { /*if*/
-        /* Register variable[4]: Result */
-        variable[4] = CALL_parser_nodes___AReturnExpr___n_expr(variable[0])(variable[0]) /*AReturnExpr::n_expr*/;
-        CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4],  variable[3] /*t*/) /*AbsSyntaxVisitor::check_conform_expr*/;
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:443 */
+        CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[2]);
       }
     }
   }
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label58: while(false);
-  tracehead = trace.prev;
+  /* ./syntax//typing.nit:445 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label2: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AContinueExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 381, LOCATE_typing___AContinueExpr___after_typing};
-    static val_t once_value_62 = NIT_NULL; /* Once value for string variable[4]*/
-    static val_t once_value_63 = NIT_NULL; /* Once value for string variable[5]*/
-      static val_t once_value_64 = NIT_NULL; /* Once value for string variable[5]*/
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_control_flow___VariableContext___unreash__eq(variable[3])(variable[3],  TAG_Bool(true)) /*VariableContext::unreash=*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_escape___AEscapeExpr___compute_escapable_block(variable[0])(variable[0], variable[4]) /*AEscapeExpr::compute_escapable_block*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(( variable[3] /*esc*/ ==  NIT_NULL /*null*/) || (( variable[3] /*esc*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*esc*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*esc*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*esc*/)( variable[3] /*esc*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    goto return_label61;
-  }
-  /* Register variable[4]: Result */
-  variable[4] = CALL_escape___EscapableBlock___is_break_block( variable[3] /*esc*/)( variable[3] /*esc*/) /*EscapableBlock::is_break_block*/;
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Once String constant */
-    if (once_value_62 != NIT_NULL) variable[4] = once_value_62;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString("Error: 'continue' forbiden in break blocks."), TAG_Int(43)) /*new String*/;
-      once_value_62 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-    goto return_label61;
-  }
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_escape___EscapableBlock___continue_stype( variable[3] /*esc*/)( variable[3] /*esc*/) /*EscapableBlock::continue_stype*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AContinueExpr___n_expr(variable[0])(variable[0]) /*AContinueExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))));
-  /* Ensure var variable[5]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[5])) { /* and */
-    /* Register variable[5]: Result */
-    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*t*/ ==  NIT_NULL /*null*/) || (( variable[4] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*t*/)( variable[4] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  }
-  /* Register variable[5]: Result */
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    /* Register variable[5]: Once String constant */
-    if (once_value_63 != NIT_NULL) variable[5] = once_value_63;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: continue with a value required in this block."), TAG_Int(52)) /*new String*/;
-      once_value_63 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-  } else { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_parser_nodes___AContinueExpr___n_expr(variable[0])(variable[0]) /*AContinueExpr::n_expr*/;
-    /* Register variable[5]: Result */
-    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))))));
-    /* Ensure var variable[5]: Left 'and' operand*/
-    if (UNTAG_Bool(variable[5])) { /* and */
-      /* Register variable[5]: Result */
-      variable[5] = TAG_Bool(( variable[4] /*t*/ ==  NIT_NULL /*null*/) || (( variable[4] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*t*/)( variable[4] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-    }
-    /* Register variable[5]: Result */
-    if (UNTAG_Bool(variable[5])) { /*if*/
-      /* Register variable[5]: Once String constant */
-      if (once_value_64 != NIT_NULL) variable[5] = once_value_64;
-      else {
-        variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: continue without value required in this block."), TAG_Int(53)) /*new String*/;
-        once_value_64 = variable[5];
+void typing___AContinueExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+      static val_t once_value_4; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 450;
+  fra.me.meth = LOCATE_typing___AContinueExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:452 */
+  CALL_typing___TypingVisitor___mark_unreash(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./syntax//typing.nit:453 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[2] = CALL_scope___AEscapeExpr___compute_escapable_block(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[2]);
+  /* ./syntax//typing.nit:454 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:456 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 456);
+  }
+  REGB0 = CALL_scope___EscapableBlock___is_break_block(fra.me.REG[2])(fra.me.REG[2]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:457 */
+    if (!once_value_2) {
+      fra.me.REG[3] = BOX_NativeString("Error: cannot 'continue', only 'break'.");
+      REGB0 = TAG_Int(39);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_2 = fra.me.REG[3];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[3] = once_value_2;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+    /* ./syntax//typing.nit:458 */
+    goto label1;
+  }
+  /* ./syntax//typing.nit:461 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 461);
+  }
+  fra.me.REG[2] = CALL_scope___EscapableBlock___continue_stype(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:462 */
+  fra.me.REG[3] = CALL_parser_nodes___AContinueExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+        REGB0 = REGB1;
       }
-      /* Register variable[5]: Result */
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[5]: Result */
-      variable[5] = CALL_parser_nodes___AContinueExpr___n_expr(variable[0])(variable[0]) /*AContinueExpr::n_expr*/;
-      /* Register variable[5]: Result */
-      variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))))));
-      /* Ensure var variable[5]: Left 'and' operand*/
-      if (UNTAG_Bool(variable[5])) { /* and */
-        /* Register variable[5]: Result */
-        variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*t*/ ==  NIT_NULL /*null*/) || (( variable[4] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*t*/)( variable[4] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:463 */
+    if (!once_value_3) {
+      fra.me.REG[3] = BOX_NativeString("Error: continue with a value required in this block.");
+      REGB0 = TAG_Int(52);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_3 = fra.me.REG[3];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[3] = once_value_3;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+  } else {
+    /* ./syntax//typing.nit:464 */
+    fra.me.REG[3] = CALL_parser_nodes___AContinueExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(false);
+          REGB0 = REGB1;
+        } else {
+          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+          REGB0 = REGB1;
+        }
+      }
+    } else {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    }
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:465 */
+      if (!once_value_4) {
+        fra.me.REG[3] = BOX_NativeString("Error: continue without value required in this block.");
+        REGB0 = TAG_Int(53);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_4 = fra.me.REG[3];
+        register_static_object(&once_value_4);
+      } else fra.me.REG[3] = once_value_4;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+    } else {
+      /* ./syntax//typing.nit:466 */
+      fra.me.REG[3] = CALL_parser_nodes___AContinueExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+      REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(false);
+          REGB0 = REGB1;
+        } else {
+          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+          REGB0 = REGB1;
+        }
+      }
+      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      if (UNTAG_Bool(REGB0)) {
+        REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+            REGB1 = TAG_Bool(false);
+            REGB0 = REGB1;
+          } else {
+            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+            REGB0 = REGB1;
+          }
+        }
+        REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      } else {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
       }
-      /* Register variable[5]: Result */
-      if (UNTAG_Bool(variable[5])) { /*if*/
-        /* Register variable[5]: Result */
-        variable[5] = CALL_parser_nodes___AContinueExpr___n_expr(variable[0])(variable[0]) /*AContinueExpr::n_expr*/;
-        CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[5],  variable[4] /*t*/) /*AbsSyntaxVisitor::check_conform_expr*/;
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:467 */
+        fra.me.REG[3] = CALL_parser_nodes___AContinueExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+        REGB0 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_AExpr, ID_AExpr)) /*cast AExpr*/;
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_typing, 467);
+        }
+        CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[2]);
       }
     }
   }
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label61: while(false);
-  tracehead = trace.prev;
+  /* ./syntax//typing.nit:469 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ABreakExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 405, LOCATE_typing___ABreakExpr___after_typing};
-    static val_t once_value_66 = NIT_NULL; /* Once value for string variable[5]*/
-      static val_t once_value_67 = NIT_NULL; /* Once value for string variable[5]*/
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_control_flow___VariableContext___unreash__eq(variable[3])(variable[3],  TAG_Bool(true)) /*VariableContext::unreash=*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_escape___AEscapeExpr___compute_escapable_block(variable[0])(variable[0], variable[4]) /*AEscapeExpr::compute_escapable_block*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(( variable[3] /*esc*/ ==  NIT_NULL /*null*/) || (( variable[3] /*esc*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*esc*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*esc*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*esc*/)( variable[3] /*esc*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    goto return_label65;
-  }
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_escape___EscapableBlock___break_list( variable[3] /*esc*/)( variable[3] /*esc*/) /*EscapableBlock::break_list*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___ABreakExpr___n_expr(variable[0])(variable[0]) /*ABreakExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))));
-  /* Ensure var variable[5]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[5])) { /* and */
-    /* Register variable[5]: Result */
-    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*bl*/ ==  NIT_NULL /*null*/) || (( variable[4] /*bl*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*bl*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*bl*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*bl*/)( variable[4] /*bl*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  }
-  /* Register variable[5]: Result */
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    /* Register variable[5]: Once String constant */
-    if (once_value_66 != NIT_NULL) variable[5] = once_value_66;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: break with a value required in this block."), TAG_Int(49)) /*new String*/;
-      once_value_66 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-  } else { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_parser_nodes___ABreakExpr___n_expr(variable[0])(variable[0]) /*ABreakExpr::n_expr*/;
-    /* Register variable[5]: Result */
-    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))))));
-    /* Ensure var variable[5]: Left 'and' operand*/
-    if (UNTAG_Bool(variable[5])) { /* and */
-      /* Register variable[5]: Result */
-      variable[5] = TAG_Bool(( variable[4] /*bl*/ ==  NIT_NULL /*null*/) || (( variable[4] /*bl*/ != NIT_NULL) && UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*bl*/)( variable[4] /*bl*/,  NIT_NULL /*null*/) /*AbstractArrayRead::==*/)));
-    }
-    /* Register variable[5]: Result */
-    if (UNTAG_Bool(variable[5])) { /*if*/
-      /* Register variable[5]: Once String constant */
-      if (once_value_67 != NIT_NULL) variable[5] = once_value_67;
-      else {
-        variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: break without value required in this block."), TAG_Int(50)) /*new String*/;
-        once_value_67 = variable[5];
+void typing___ABreakExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 474;
+  fra.me.meth = LOCATE_typing___ABreakExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:476 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:477 */
+  CALL_typing___TypingVisitor___mark_unreash(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./syntax//typing.nit:478 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_scope___AEscapeExpr___compute_escapable_block(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[3]);
+  /* ./syntax//typing.nit:479 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:481 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 481);
+  }
+  fra.me.REG[4] = CALL_scope___EscapableBlock___break_flow_contexts(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+  /* ./syntax//typing.nit:483 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 483);
+  }
+  fra.me.REG[3] = CALL_scope___EscapableBlock___break_list(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:484 */
+  fra.me.REG[2] = CALL_parser_nodes___ABreakExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+        REGB0 = REGB1;
       }
-      /* Register variable[5]: Result */
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[5]: Result */
-      variable[5] = CALL_parser_nodes___ABreakExpr___n_expr(variable[0])(variable[0]) /*ABreakExpr::n_expr*/;
-      /* Register variable[5]: Result */
-      variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))))));
-      /* Ensure var variable[5]: Left 'and' operand*/
-      if (UNTAG_Bool(variable[5])) { /* and */
-        /* Register variable[5]: Result */
-        variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*bl*/ ==  NIT_NULL /*null*/) || (( variable[4] /*bl*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*bl*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*bl*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*bl*/)( variable[4] /*bl*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:485 */
+    if (!once_value_2) {
+      fra.me.REG[2] = BOX_NativeString("Error: break with a value required in this block.");
+      REGB0 = TAG_Int(49);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+      once_value_2 = fra.me.REG[2];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[2] = once_value_2;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2]);
+  } else {
+    /* ./syntax//typing.nit:486 */
+    fra.me.REG[2] = CALL_parser_nodes___ABreakExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+        REGB0 = REGB1;
       }
-      /* Register variable[5]: Result */
-      if (UNTAG_Bool(variable[5])) { /*if*/
-        /* Register variable[5]: Result */
-        variable[5] = CALL_parser_nodes___ABreakExpr___n_expr(variable[0])(variable[0]) /*ABreakExpr::n_expr*/;
-        CALL_abstract_collection___SimpleCollection___add( variable[4] /*bl*/)( variable[4] /*bl*/, variable[5]) /*AbstractArray::add*/;
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(false);
+          REGB0 = REGB1;
+        } else {
+          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+          REGB0 = REGB1;
+        }
+      }
+    } else {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    }
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:487 */
+      if (!once_value_3) {
+        fra.me.REG[2] = BOX_NativeString("Error: break without value required in this block.");
+        REGB0 = TAG_Int(50);
+        fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+        once_value_3 = fra.me.REG[2];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[2] = once_value_3;
+      fra.me.REG[2] = fra.me.REG[2];
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2]);
+    } else {
+      /* ./syntax//typing.nit:488 */
+      fra.me.REG[2] = CALL_parser_nodes___ABreakExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+      REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(false);
+          REGB0 = REGB1;
+        } else {
+          REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+          REGB0 = REGB1;
+        }
+      }
+      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      if (UNTAG_Bool(REGB0)) {
+        REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+            REGB1 = TAG_Bool(false);
+            REGB0 = REGB1;
+          } else {
+            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+            REGB0 = REGB1;
+          }
+        }
+        REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      } else {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      }
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:490 */
+        fra.me.REG[2] = CALL_parser_nodes___ABreakExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+        REGB0 = TAG_Bool((fra.me.REG[2]!=NIT_NULL) && VAL_ISA(fra.me.REG[2], COLOR_AExpr, ID_AExpr)) /*cast AExpr*/;
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_typing, 490);
+        }
+        REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+          nit_abort("Reciever is null", NULL, LOCATE_typing, 490);
+        }
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
       }
     }
   }
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label65: while(false);
-  tracehead = trace.prev;
+  /* ./syntax//typing.nit:492 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AAbortExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 425, LOCATE_typing___AAbortExpr___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_control_flow___VariableContext___unreash__eq(variable[3])(variable[3],  TAG_Bool(true)) /*VariableContext::unreash=*/;
-  return_label68: while(false);
-  tracehead = trace.prev;
+void typing___AAbortExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 497;
+  fra.me.meth = LOCATE_typing___AAbortExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:499 */
+  CALL_typing___TypingVisitor___mark_unreash(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./syntax//typing.nit:500 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AIfExpr___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 432, LOCATE_typing___AIfExpr___accept_typing};
-  val_t variable[7];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfExpr___n_expr(variable[0])(variable[0]) /*AIfExpr::n_expr*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfExpr___n_expr(variable[0])(variable[0]) /*AIfExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfExpr___n_expr(variable[0])(variable[0]) /*AIfExpr::n_expr*/;
-  CALL_typing___TypingVisitor___use_if_true_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::use_if_true_variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfExpr___n_then(variable[0])(variable[0]) /*AIfExpr::n_then*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_parser_nodes___AIfExpr___n_then(variable[0])(variable[0]) /*AIfExpr::n_then*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_control_flow___VariableContext___sub(variable[4])(variable[4], variable[5]) /*VariableContext::sub*/;
-    CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::variable_ctx=*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AIfExpr___n_then(variable[0])(variable[0]) /*AIfExpr::n_then*/;
-    CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  }
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[4] = variable[5];
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AIfExpr___n_expr(variable[0])(variable[0]) /*AIfExpr::n_expr*/;
-  CALL_typing___TypingVisitor___use_if_false_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::use_if_false_variable_ctx*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AIfExpr___n_else(variable[0])(variable[0]) /*AIfExpr::n_else*/;
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_parser_nodes___AIfExpr___n_else(variable[0])(variable[0]) /*AIfExpr::n_else*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_control_flow___VariableContext___sub(variable[5])(variable[5], variable[6]) /*VariableContext::sub*/;
-    CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::variable_ctx=*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_parser_nodes___AIfExpr___n_else(variable[0])(variable[0]) /*AIfExpr::n_else*/;
-    CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::visit*/;
-  }
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___TypingVisitor___base_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::base_variable_ctx*/;
-  CALL_control_flow___VariableContext___merge2( variable[3] /*old_var_ctx*/)( variable[3] /*old_var_ctx*/,  variable[4] /*then_var_ctx*/, variable[5], variable[6]) /*VariableContext::merge2*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label69: while(false);
-  tracehead = trace.prev;
+val_t typing___AAbsControl___escapable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 507;
+  fra.me.meth = LOCATE_typing___AAbsControl___escapable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:507 */
+  fra.me.REG[0] = ATTR_typing___AAbsControl____escapable(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AAbsControl___process_control(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4){
+  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 510;
+  fra.me.meth = LOCATE_typing___AAbsControl___process_control;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 7;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  fra.me.REG[3] = p3;
+  REGB0 = p4;
+  /* ./syntax//typing.nit:514 */
+  ATTR_typing___AAbsControl____escapable(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:515 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_scope___ScopeContext___push_escapable(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:518 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:519 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___base_flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:520 */
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[5] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    CALL_typing___TypingVisitor___base_flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+  }
+  /* ./syntax//typing.nit:523 */
+  CALL_typing___AAbsControl___process_control_inside(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:526 */
+  fra.me.REG[5] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  REGB1 = CALL_flow___FlowContext___unreash(fra.me.REG[5])(fra.me.REG[5]);
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:527 */
+    fra.me.REG[5] = CALL_scope___EscapableBlock___break_flow_contexts(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[6] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+  }
+  /* ./syntax//typing.nit:531 */
+  fra.me.REG[6] = CALL_scope___EscapableBlock___break_flow_contexts(fra.me.REG[2])(fra.me.REG[2]);
+  REGB1 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[6])(fra.me.REG[6]);
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:532 */
+    CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+    /* ./syntax//typing.nit:533 */
+    CALL_typing___TypingVisitor___mark_unreash(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  } else {
+    /* ./syntax//typing.nit:535 */
+    fra.me.REG[2] = CALL_scope___EscapableBlock___break_flow_contexts(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = CALL_flow___FlowContext___merge(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0], fra.me.REG[2]);
+    CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  }
+  /* ./syntax//typing.nit:538 */
+  if (UNTAG_Bool(REGB0)) {
+    CALL_typing___TypingVisitor___base_flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  }
+  /* ./syntax//typing.nit:539 */
+  fra.me.REG[1] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_scope___ScopeContext___pop(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:540 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AWhileExpr___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 471, LOCATE_typing___AWhileExpr___accept_typing};
-  val_t variable[7];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = NEW_EscapableBlock_escape___EscapableBlock___init(variable[0]) /*new EscapableBlock*/;
-  ATTR_typing___AWhileExpr____escapable(variable[0]) /*AWhileExpr::_escapable*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = ATTR_typing___AWhileExpr____escapable(variable[0]) /*AWhileExpr::_escapable*/;
-  CALL_escape___EscapableContext___push(variable[3])(variable[3], variable[4]) /*EscapableContext::push*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___base_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::base_variable_ctx*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::base_variable_ctx=*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_control_flow___VariableContext___sub(variable[5])(variable[5], variable[0]) /*VariableContext::sub*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AWhileExpr___n_expr(variable[0])(variable[0]) /*AWhileExpr::n_expr*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::visit*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AWhileExpr___n_expr(variable[0])(variable[0]) /*AWhileExpr::n_expr*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[5], variable[6]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AWhileExpr___n_expr(variable[0])(variable[0]) /*AWhileExpr::n_expr*/;
-  CALL_typing___TypingVisitor___use_if_true_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::use_if_true_variable_ctx*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AWhileExpr___n_block(variable[0])(variable[0]) /*AWhileExpr::n_block*/;
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_parser_nodes___AWhileExpr___n_block(variable[0])(variable[0]) /*AWhileExpr::n_block*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_control_flow___VariableContext___sub(variable[5])(variable[5], variable[6]) /*VariableContext::sub*/;
-    CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::variable_ctx=*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_parser_nodes___AWhileExpr___n_block(variable[0])(variable[0]) /*AWhileExpr::n_block*/;
-    CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::visit*/;
-  }
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[4] /*old_base_var_ctx*/) /*TypingVisitor::base_variable_ctx=*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-  CALL_escape___EscapableContext___pop(variable[5])(variable[5]) /*EscapableContext::pop*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label70: while(false);
-  tracehead = trace.prev;
+void typing___AAbsControl___process_control_inside(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 543;
+  fra.me.meth = LOCATE_typing___AAbsControl___process_control_inside;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./syntax//typing.nit:543 */
+  nit_abort("Deferred method called", NULL, LOCATE_typing, 543);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AWhileExpr___escapable(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 468, LOCATE_typing___AWhileExpr___escapable};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AWhileExpr____escapable( self) /*AWhileExpr::_escapable*/;
-}
-void typing___AForExpr___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 508, LOCATE_typing___AForExpr___accept_typing};
-  static val_t once_value_72; static int once_bool_72; /* Once value for variable[8]*/
-    static val_t once_value_73 = NIT_NULL; /* Once value for string variable[8]*/
-    static val_t once_value_74 = NIT_NULL; /* Once value for string variable[7]*/
-  static val_t once_value_75; static int once_bool_75; /* Once value for variable[9]*/
-    static val_t once_value_76 = NIT_NULL; /* Once value for string variable[9]*/
-    static val_t once_value_77 = NIT_NULL; /* Once value for string variable[9]*/
-    static val_t once_value_78 = NIT_NULL; /* Once value for string variable[9]*/
-  static val_t once_value_79; static int once_bool_79; /* Once value for variable[9]*/
-    static val_t once_value_80 = NIT_NULL; /* Once value for string variable[9]*/
-    static val_t once_value_81 = NIT_NULL; /* Once value for string variable[9]*/
-    static val_t once_value_82 = NIT_NULL; /* Once value for string variable[9]*/
-  static val_t once_value_83; static int once_bool_83; /* Once value for variable[9]*/
-    static val_t once_value_84 = NIT_NULL; /* Once value for string variable[9]*/
-    static val_t once_value_85 = NIT_NULL; /* Once value for string variable[9]*/
-    static val_t once_value_86 = NIT_NULL; /* Once value for string variable[9]*/
-  val_t variable[10];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = NEW_EscapableBlock_escape___EscapableBlock___init(variable[0]) /*new EscapableBlock*/;
-  ATTR_typing___AForExpr____escapable(variable[0]) /*AForExpr::_escapable*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = ATTR_typing___AForExpr____escapable(variable[0]) /*AForExpr::_escapable*/;
-  CALL_escape___EscapableContext___push(variable[3])(variable[3], variable[4]) /*EscapableContext::push*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___base_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::base_variable_ctx*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::base_variable_ctx=*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_control_flow___VariableContext___sub(variable[5])(variable[5], variable[0]) /*VariableContext::sub*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[5]) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AForExpr___n_id(variable[0])(variable[0]) /*AForExpr::n_id*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___Token___to_symbol(variable[6])(variable[6]) /*Token::to_symbol*/;
-  /* Register variable[6]: Result */
-  variable[6] = NEW_AutoVariable_syntax_base___AutoVariable___init(variable[6], variable[0]) /*new AutoVariable*/;
-  variable[5] = variable[6];
-  CALL_syntax_base___AForExpr___variable__eq(variable[0])(variable[0],  variable[5] /*va*/) /*AForExpr::variable=*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_control_flow___VariableContext___add(variable[6])(variable[6],  variable[5] /*va*/) /*VariableContext::add*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AForExpr___n_expr(variable[0])(variable[0]) /*AForExpr::n_expr*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[6]) /*TypingVisitor::visit*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AForExpr___n_expr(variable[0])(variable[0]) /*AForExpr::n_expr*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___AbsSyntaxVisitor___type_collection( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_collection*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[6], variable[7]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[6])))) { /*if*/
-    goto return_label71;
-  }
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_parser_nodes___AForExpr___n_expr(variable[0])(variable[0]) /*AForExpr::n_expr*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___PExpr___stype(variable[7])(variable[7]) /*PExpr::stype*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Result */
-  variable[7] = CALL_static_type___MMType___local_class( variable[6] /*expr_type*/)( variable[6] /*expr_type*/) /*MMType::local_class*/;
-  /* Register variable[8]: Once expression result */
-  if (once_bool_72) variable[8] = once_value_72;
-  else {
-    /* Register variable[8]: Once String constant */
-    if (once_value_73 != NIT_NULL) variable[8] = once_value_73;
-    else {
-      variable[8] = NEW_String_string___String___with_native(BOX_NativeString("iterator"), TAG_Int(8)) /*new String*/;
-      once_value_73 = variable[8];
-    }
-    /* Register variable[8]: Result */
-    /* Register variable[8]: Result */
-    variable[8] = CALL_symbol___String___to_symbol(variable[8])(variable[8]) /*String::to_symbol*/;
-    once_value_72 = variable[8];
-    once_bool_72 = true;
-  }
-  /* Register variable[8]: Result */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[7])(variable[7], variable[8]) /*MMLocalClass::select_method*/;
-  ATTR_typing___AForExpr____meth_iterator(variable[0]) /*AForExpr::_meth_iterator*/ = variable[7];
-  /* Register variable[7]: Result */
-  variable[7] = ATTR_typing___AForExpr____meth_iterator(variable[0]) /*AForExpr::_meth_iterator*/;
-  /* Register variable[7]: Result */
-  variable[7] = TAG_Bool((variable[7] ==  NIT_NULL /*null*/) || ((variable[7] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[7])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[7], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[7])(variable[7],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[7])) { /*if*/
-    /* Register variable[7]: Once String constant */
-    if (once_value_74 != NIT_NULL) variable[7] = once_value_74;
-    else {
-      variable[7] = NEW_String_string___String___with_native(BOX_NativeString("Error: Collection MUST have an iterate method"), TAG_Int(45)) /*new String*/;
-      once_value_74 = variable[7];
-    }
-    /* Register variable[7]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::error*/;
-    goto return_label71;
-  }
-  /* Register variable[7]: Local variable */
-  /* Register variable[8]: Result */
-  variable[8] = ATTR_typing___AForExpr____meth_iterator(variable[0]) /*AForExpr::_meth_iterator*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMLocalProperty___signature_for(variable[8])(variable[8],  variable[6] /*expr_type*/) /*MMLocalProperty::signature_for*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMSignature___return_type(variable[8])(variable[8]) /*MMSignature::return_type*/;
-  variable[7] = variable[8];
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMType___local_class( variable[7] /*iter_type*/)( variable[7] /*iter_type*/) /*MMType::local_class*/;
-  /* Register variable[9]: Once expression result */
-  if (once_bool_75) variable[9] = once_value_75;
-  else {
-    /* Register variable[9]: Once String constant */
-    if (once_value_76 != NIT_NULL) variable[9] = once_value_76;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString("is_ok"), TAG_Int(5)) /*new String*/;
-      once_value_76 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Register variable[9]: Result */
-    variable[9] = CALL_symbol___String___to_symbol(variable[9])(variable[9]) /*String::to_symbol*/;
-    once_value_75 = variable[9];
-    once_bool_75 = true;
-  }
-  /* Register variable[9]: Result */
-  /* Register variable[8]: Result */
-  variable[8] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[8])(variable[8], variable[9]) /*MMLocalClass::select_method*/;
-  ATTR_typing___AForExpr____meth_is_ok(variable[0]) /*AForExpr::_meth_is_ok*/ = variable[8];
-  /* Register variable[8]: Result */
-  variable[8] = ATTR_typing___AForExpr____meth_is_ok(variable[0]) /*AForExpr::_meth_is_ok*/;
-  /* Register variable[8]: Result */
-  variable[8] = TAG_Bool((variable[8] ==  NIT_NULL /*null*/) || ((variable[8] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[8])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[8], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[8])(variable[8],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[8])) { /*if*/
-    variable[8] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[9]: Once String constant */
-    if (once_value_77 != NIT_NULL) variable[9] = once_value_77;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-      once_value_77 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Ensure var variable[9]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-    variable[9] =  variable[7] /*iter_type*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[9]: Once String constant */
-    if (once_value_78 != NIT_NULL) variable[9] = once_value_78;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString(" MUST have an is_ok method"), TAG_Int(26)) /*new String*/;
-      once_value_78 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Ensure var variable[9]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[8]) /*AbsSyntaxVisitor::error*/;
-    goto return_label71;
-  }
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMType___local_class( variable[7] /*iter_type*/)( variable[7] /*iter_type*/) /*MMType::local_class*/;
-  /* Register variable[9]: Once expression result */
-  if (once_bool_79) variable[9] = once_value_79;
-  else {
-    /* Register variable[9]: Once String constant */
-    if (once_value_80 != NIT_NULL) variable[9] = once_value_80;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString("item"), TAG_Int(4)) /*new String*/;
-      once_value_80 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Register variable[9]: Result */
-    variable[9] = CALL_symbol___String___to_symbol(variable[9])(variable[9]) /*String::to_symbol*/;
-    once_value_79 = variable[9];
-    once_bool_79 = true;
-  }
-  /* Register variable[9]: Result */
-  /* Register variable[8]: Result */
-  variable[8] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[8])(variable[8], variable[9]) /*MMLocalClass::select_method*/;
-  ATTR_typing___AForExpr____meth_item(variable[0]) /*AForExpr::_meth_item*/ = variable[8];
-  /* Register variable[8]: Result */
-  variable[8] = ATTR_typing___AForExpr____meth_item(variable[0]) /*AForExpr::_meth_item*/;
-  /* Register variable[8]: Result */
-  variable[8] = TAG_Bool((variable[8] ==  NIT_NULL /*null*/) || ((variable[8] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[8])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[8], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[8])(variable[8],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[8])) { /*if*/
-    variable[8] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[9]: Once String constant */
-    if (once_value_81 != NIT_NULL) variable[9] = once_value_81;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-      once_value_81 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Ensure var variable[9]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-    variable[9] =  variable[7] /*iter_type*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[9]: Once String constant */
-    if (once_value_82 != NIT_NULL) variable[9] = once_value_82;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString(" MUST have an item method"), TAG_Int(25)) /*new String*/;
-      once_value_82 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Ensure var variable[9]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[8]) /*AbsSyntaxVisitor::error*/;
-    goto return_label71;
-  }
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMType___local_class( variable[7] /*iter_type*/)( variable[7] /*iter_type*/) /*MMType::local_class*/;
-  /* Register variable[9]: Once expression result */
-  if (once_bool_83) variable[9] = once_value_83;
-  else {
-    /* Register variable[9]: Once String constant */
-    if (once_value_84 != NIT_NULL) variable[9] = once_value_84;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString("next"), TAG_Int(4)) /*new String*/;
-      once_value_84 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Register variable[9]: Result */
-    variable[9] = CALL_symbol___String___to_symbol(variable[9])(variable[9]) /*String::to_symbol*/;
-    once_value_83 = variable[9];
-    once_bool_83 = true;
-  }
-  /* Register variable[9]: Result */
-  /* Register variable[8]: Result */
-  variable[8] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[8])(variable[8], variable[9]) /*MMLocalClass::select_method*/;
-  ATTR_typing___AForExpr____meth_next(variable[0]) /*AForExpr::_meth_next*/ = variable[8];
-  /* Register variable[8]: Result */
-  variable[8] = ATTR_typing___AForExpr____meth_next(variable[0]) /*AForExpr::_meth_next*/;
-  /* Register variable[8]: Result */
-  variable[8] = TAG_Bool((variable[8] ==  NIT_NULL /*null*/) || ((variable[8] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[8])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[8], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[8])(variable[8],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[8])) { /*if*/
-    variable[8] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[9]: Once String constant */
-    if (once_value_85 != NIT_NULL) variable[9] = once_value_85;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-      once_value_85 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Ensure var variable[9]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-    variable[9] =  variable[7] /*iter_type*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[9]: Once String constant */
-    if (once_value_86 != NIT_NULL) variable[9] = once_value_86;
-    else {
-      variable[9] = NEW_String_string___String___with_native(BOX_NativeString(" MUST have a next method"), TAG_Int(24)) /*new String*/;
-      once_value_86 = variable[9];
-    }
-    /* Register variable[9]: Result */
-    /* Ensure var variable[9]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[8]) /*AbsSyntaxVisitor::error*/;
-    goto return_label71;
-  }
-  /* Register variable[8]: Local variable */
-  /* Register variable[9]: Result */
-  variable[9] = ATTR_typing___AForExpr____meth_item(variable[0]) /*AForExpr::_meth_item*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_static_type___MMLocalProperty___signature_for(variable[9])(variable[9],  variable[7] /*iter_type*/) /*MMLocalProperty::signature_for*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_static_type___MMSignature___return_type(variable[9])(variable[9]) /*MMSignature::return_type*/;
-  variable[8] = variable[9];
-  /* Register variable[9]: Result */
-  variable[9] = CALL_parser_nodes___AForExpr___n_expr(variable[0])(variable[0]) /*AForExpr::n_expr*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_typing___PExpr___is_self(variable[9])(variable[9]) /*PExpr::is_self*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[9])))) { /*if*/
-    /* Register variable[9]: Result */
-    variable[9] = CALL_static_type___MMType___not_for_self( variable[8] /*t*/)( variable[8] /*t*/) /*MMType::not_for_self*/;
-    variable[8] = variable[9] /*t=*/;
-  }
-  CALL_syntax_base___Variable___stype__eq( variable[5] /*va*/)( variable[5] /*va*/,  variable[8] /*t*/) /*Variable::stype=*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_parser_nodes___AForExpr___n_block(variable[0])(variable[0]) /*AForExpr::n_block*/;
-  /* Register variable[9]: Result */
-  variable[9] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[9] ==  NIT_NULL /*null*/) || ((variable[9] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[9])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[9], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[9])(variable[9],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[9])) { /*if*/
-    /* Register variable[9]: Result */
-    variable[9] = CALL_parser_nodes___AForExpr___n_block(variable[0])(variable[0]) /*AForExpr::n_block*/;
-    CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[9]) /*TypingVisitor::visit*/;
-  }
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[4] /*old_base_var_ctx*/) /*TypingVisitor::base_variable_ctx=*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-  CALL_escape___EscapableContext___pop(variable[9])(variable[9]) /*EscapableContext::pop*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label71: while(false);
-  tracehead = trace.prev;
+void typing___ADoExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 549;
+  fra.me.meth = LOCATE_typing___ADoExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:551 */
+  fra.me.REG[2] = NEW_BreakOnlyEscapableBlock_scope___BreakOnlyEscapableBlock___init(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_parser_nodes___ALabelable___n_label(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(false);
+  CALL_typing___AAbsControl___process_control(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], REGB0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AForExpr___escapable(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 501, LOCATE_typing___AForExpr___escapable};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AForExpr____escapable( self) /*AForExpr::_escapable*/;
-}
-val_t typing___AForExpr___meth_iterator(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 504, LOCATE_typing___AForExpr___meth_iterator};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AForExpr____meth_iterator( self) /*AForExpr::_meth_iterator*/;
-}
-val_t typing___AForExpr___meth_is_ok(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 505, LOCATE_typing___AForExpr___meth_is_ok};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AForExpr____meth_is_ok( self) /*AForExpr::_meth_is_ok*/;
-}
-val_t typing___AForExpr___meth_item(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 506, LOCATE_typing___AForExpr___meth_item};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AForExpr____meth_item( self) /*AForExpr::_meth_item*/;
-}
-val_t typing___AForExpr___meth_next(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 507, LOCATE_typing___AForExpr___meth_next};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AForExpr____meth_next( self) /*AForExpr::_meth_next*/;
-}
-void typing___AAssertExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 561, LOCATE_typing___AAssertExpr___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAssertExpr___n_expr(variable[0])(variable[0]) /*AAssertExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3], variable[4]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAssertExpr___n_expr(variable[0])(variable[0]) /*AAssertExpr::n_expr*/;
-  CALL_typing___TypingVisitor___use_if_true_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*TypingVisitor::use_if_true_variable_ctx*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label87: while(false);
-  tracehead = trace.prev;
+void typing___ADoExpr___process_control_inside(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 554;
+  fra.me.meth = LOCATE_typing___ADoExpr___process_control_inside;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:556 */
+  fra.me.REG[0] = CALL_parser_nodes___ADoExpr___n_block(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___enter_visit_block(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AVarExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 572, LOCATE_typing___AVarExpr___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  CALL_control_flow___VariableContext___check_is_set(variable[3])(variable[3], variable[0], variable[4]) /*VariableContext::check_is_set*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_control_flow___VariableContext___stype(variable[3])(variable[3], variable[4]) /*VariableContext::stype*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ = variable[3];
-  return_label88: while(false);
-  tracehead = trace.prev;
+void typing___AIfExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 561;
+  fra.me.meth = LOCATE_typing___AIfExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:563 */
+  fra.me.REG[2] = CALL_parser_nodes___AIfExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:564 */
+  fra.me.REG[2] = CALL_parser_nodes___AIfExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:567 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:568 */
+  fra.me.REG[2] = CALL_parser_nodes___AIfExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_true_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:571 */
+  fra.me.REG[2] = CALL_parser_nodes___AIfExpr___n_then(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___enter_visit_block(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:574 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:577 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:578 */
+  fra.me.REG[3] = CALL_parser_nodes___AIfExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_false_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:581 */
+  fra.me.REG[3] = CALL_parser_nodes___AIfExpr___n_else(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___enter_visit_block(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:584 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___base_flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[4] = CALL_flow___FlowContext___merge_reash(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0], fra.me.REG[2], fra.me.REG[4]);
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:585 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AVarExpr___its_variable(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 570, LOCATE_typing___AVarExpr___its_variable};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  variable[1] = variable[2];
-  goto return_label89;
-  return_label89: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___AVarAssignExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 581, LOCATE_typing___AVarAssignExpr___after_typing};
-  val_t variable[8];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  CALL_control_flow___VariableContext___mark_is_set(variable[3])(variable[3], variable[4]) /*VariableContext::mark_is_set*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_control_flow___VariableContext___stype(variable[4])(variable[4], variable[5]) /*VariableContext::stype*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___base_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::base_variable_ctx*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_control_flow___VariableContext___stype(variable[5])(variable[5], variable[6]) /*VariableContext::stype*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AAssignFormExpr___n_value(variable[0])(variable[0]) /*AAssignFormExpr::n_value*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[5],  variable[4] /*btype*/) /*AbsSyntaxVisitor::check_conform_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[5])))) { /*if*/
-    goto return_label90;
-  }
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_parser_nodes___AAssignFormExpr___n_value(variable[0])(variable[0]) /*AAssignFormExpr::n_value*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___PExpr___stype(variable[7])(variable[7]) /*PExpr::stype*/;
-  CALL_control_flow___VariableContext___stype__eq(variable[5])(variable[5], variable[6], variable[7]) /*VariableContext::stype=*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label90: while(false);
-  tracehead = trace.prev;
+void typing___AWhileExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 591;
+  fra.me.meth = LOCATE_typing___AWhileExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:593 */
+  fra.me.REG[2] = NEW_EscapableBlock_scope___EscapableBlock___init(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_parser_nodes___ALabelable___n_label(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(true);
+  CALL_typing___AAbsControl___process_control(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], REGB0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AReassignFormExpr___do_rvalue_typing(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 598, LOCATE_typing___AReassignFormExpr___do_rvalue_typing};
-    static val_t once_value_92 = NIT_NULL; /* Once value for string variable[7]*/
-    static val_t once_value_93 = NIT_NULL; /* Once value for string variable[7]*/
-    static val_t once_value_94 = NIT_NULL; /* Once value for string variable[7]*/
-  val_t variable[10];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Method return value and escape marker */
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(( variable[2] /*type_lvalue*/ ==  NIT_NULL /*null*/) || (( variable[2] /*type_lvalue*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[2] /*type_lvalue*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[2] /*type_lvalue*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[2] /*type_lvalue*/)( variable[2] /*type_lvalue*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[3] =  NIT_NULL /*null*/;
-    goto return_label91;
-  }
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AReassignFormExpr___n_assign_op(variable[0])(variable[0]) /*AReassignFormExpr::n_assign_op*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___PAssignOp___method_name(variable[5])(variable[5]) /*PAssignOp::method_name*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_static_type___MMType___local_class( variable[2] /*type_lvalue*/)( variable[2] /*type_lvalue*/) /*MMType::local_class*/;
-  variable[5] = variable[6];
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstractmetamodel___MMLocalClass___has_global_property_by_name( variable[5] /*lc*/)( variable[5] /*lc*/,  variable[4] /*name*/) /*MMLocalClass::has_global_property_by_name*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[6])))) { /*if*/
-    variable[6] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[7]: Once String constant */
-    if (once_value_92 != NIT_NULL) variable[7] = once_value_92;
-    else {
-      variable[7] = NEW_String_string___String___with_native(BOX_NativeString("Error: Method '"), TAG_Int(15)) /*new String*/;
-      once_value_92 = variable[7];
-    }
-    /* Register variable[7]: Result */
-    /* Ensure var variable[7]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], variable[7]) /*AbstractArray::add*/;
-    variable[7] =  variable[4] /*name*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[7]: Once String constant */
-    if (once_value_93 != NIT_NULL) variable[7] = once_value_93;
-    else {
-      variable[7] = NEW_String_string___String___with_native(BOX_NativeString("' doesn't exists in "), TAG_Int(20)) /*new String*/;
-      once_value_93 = variable[7];
-    }
-    /* Register variable[7]: Result */
-    /* Ensure var variable[7]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], variable[7]) /*AbstractArray::add*/;
-    variable[7] =  variable[2] /*type_lvalue*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[7]: Once String constant */
-    if (once_value_94 != NIT_NULL) variable[7] = once_value_94;
-    else {
-      variable[7] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-      once_value_94 = variable[7];
-    }
-    /* Register variable[7]: Result */
-    /* Ensure var variable[7]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], variable[7]) /*AbstractArray::add*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[6]) /*AbsSyntaxVisitor::error*/;
-    variable[3] =  NIT_NULL /*null*/;
-    goto return_label91;
-  }
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstractmetamodel___MMLocalClass___select_method( variable[5] /*lc*/)( variable[5] /*lc*/,  variable[4] /*name*/) /*MMLocalClass::select_method*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstractmetamodel___MMLocalProperty___global( variable[6] /*prop*/)( variable[6] /*prop*/) /*MMLocalProperty::global*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_syntax_base___AbsSyntaxVisitor___module( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::module*/;
-  CALL_syntax_base___MMGlobalProperty___check_visibility(variable[7])(variable[7],  variable[1] /*v*/, variable[0], variable[8],  TAG_Bool(false)) /*MMGlobalProperty::check_visibility*/;
-  /* Register variable[7]: Local variable */
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMLocalProperty___signature_for( variable[6] /*prop*/)( variable[6] /*prop*/,  variable[2] /*type_lvalue*/) /*MMLocalProperty::signature_for*/;
-  variable[7] = variable[8];
-  ATTR_typing___AReassignFormExpr____assign_method(variable[0]) /*AReassignFormExpr::_assign_method*/ =  variable[6] /*prop*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_parser_nodes___AReassignFormExpr___n_value(variable[0])(variable[0]) /*AReassignFormExpr::n_value*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_static_type___MMSignature_____bra( variable[7] /*psig*/)( variable[7] /*psig*/,  TAG_Int(0)) /*MMSignature::[]*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_static_type___MMType___not_for_self(variable[9])(variable[9]) /*MMType::not_for_self*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[8], variable[9]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[8])))) { /*if*/
-    variable[3] =  NIT_NULL /*null*/;
-    goto return_label91;
-  }
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMSignature___return_type( variable[7] /*psig*/)( variable[7] /*psig*/) /*MMSignature::return_type*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMType___not_for_self(variable[8])(variable[8]) /*MMType::not_for_self*/;
-  variable[3] = variable[8];
-  goto return_label91;
-  return_label91: while(false);
-  tracehead = trace.prev;
-  return variable[3];
-}
-val_t typing___AReassignFormExpr___assign_method(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 620, LOCATE_typing___AReassignFormExpr___assign_method};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AReassignFormExpr____assign_method( self) /*AReassignFormExpr::_assign_method*/;
-}
-void typing___AVarReassignExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 625, LOCATE_typing___AVarReassignExpr___after_typing};
-  val_t variable[8];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  CALL_control_flow___VariableContext___check_is_set(variable[3])(variable[3], variable[0], variable[4]) /*VariableContext::check_is_set*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  CALL_control_flow___VariableContext___mark_is_set(variable[3])(variable[3], variable[4]) /*VariableContext::mark_is_set*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_control_flow___VariableContext___stype(variable[4])(variable[4], variable[5]) /*VariableContext::stype*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___AReassignFormExpr___do_rvalue_typing(variable[0])(variable[0],  variable[1] /*v*/,  variable[3] /*t*/) /*AReassignFormExpr::do_rvalue_typing*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool(( variable[4] /*t2*/ ==  NIT_NULL /*null*/) || (( variable[4] /*t2*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*t2*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*t2*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*t2*/)( variable[4] /*t2*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    goto return_label95;
-  }
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___TypingVisitor___base_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::base_variable_ctx*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_control_flow___VariableContext___stype(variable[6])(variable[6], variable[7]) /*VariableContext::stype*/;
-  variable[5] = variable[6];
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AReassignFormExpr___n_value(variable[0])(variable[0]) /*AReassignFormExpr::n_value*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___AbsSyntaxVisitor___check_conform( variable[1] /*v*/)( variable[1] /*v*/, variable[6],  variable[4] /*t2*/,  variable[5] /*btype*/) /*AbsSyntaxVisitor::check_conform*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[6])))) { /*if*/
-    goto return_label95;
-  }
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___AVarFormExpr___variable(variable[0])(variable[0]) /*AVarFormExpr::variable*/;
-  CALL_control_flow___VariableContext___stype__eq(variable[6])(variable[6], variable[7],  variable[4] /*t2*/) /*VariableContext::stype=*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label95: while(false);
-  tracehead = trace.prev;
+void typing___AWhileExpr___process_control_inside(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 596;
+  fra.me.meth = LOCATE_typing___AWhileExpr___process_control_inside;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:598 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:601 */
+  fra.me.REG[3] = CALL_parser_nodes___AWhileExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:602 */
+  fra.me.REG[3] = CALL_parser_nodes___AWhileExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:604 */
+  fra.me.REG[4] = CALL_parser_nodes___AWhileExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_ATrueExpr, ID_ATrueExpr)) /*cast ATrueExpr*/;
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:605 */
+    if (!once_value_1) {
+      fra.me.REG[4] = BOX_NativeString("Warning: use 'loop' instead of 'while true do'.");
+      REGB0 = TAG_Int(47);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+      once_value_1 = fra.me.REG[4];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[4] = once_value_1;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+  }
+  /* ./syntax//typing.nit:609 */
+  fra.me.REG[4] = CALL_parser_nodes___AWhileExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_true_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:612 */
+  fra.me.REG[4] = CALL_parser_nodes___AWhileExpr___n_block(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___enter_visit_block(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:615 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:616 */
+  fra.me.REG[2] = CALL_parser_nodes___AWhileExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_false_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:617 */
+  fra.me.REG[0] = CALL_typing___AAbsControl___escapable(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 617);
+  }
+  fra.me.REG[0] = CALL_scope___EscapableBlock___break_flow_contexts(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___PAssignOp___method_name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 645, LOCATE_typing___PAssignOp___method_name};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_typing, 645);
-  nit_exit(1);
-  tracehead = trace.prev;
-  return NIT_NULL;
+void typing___ALoopExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 623;
+  fra.me.meth = LOCATE_typing___ALoopExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:625 */
+  fra.me.REG[2] = NEW_EscapableBlock_scope___EscapableBlock___init(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_parser_nodes___ALabelable___n_label(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(true);
+  CALL_typing___AAbsControl___process_control(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], REGB0);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void typing___ALoopExpr___process_control_inside(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 628;
+  fra.me.meth = LOCATE_typing___ALoopExpr___process_control_inside;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:631 */
+  fra.me.REG[2] = CALL_parser_nodes___ALoopExpr___n_block(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___enter_visit_block(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:634 */
+  CALL_typing___TypingVisitor___mark_unreash(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+val_t typing___AForExpr___variable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 641;
+  fra.me.meth = LOCATE_typing___AForExpr___variable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:641 */
+  fra.me.REG[0] = ATTR_typing___AForExpr____variable(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 641);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AForExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 643;
+  fra.me.meth = LOCATE_typing___AForExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:645 */
+  fra.me.REG[2] = NEW_EscapableBlock_scope___EscapableBlock___init(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_parser_nodes___ALabelable___n_label(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(true);
+  CALL_typing___AAbsControl___process_control(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], REGB0);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void typing___AForExpr___process_control_inside(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+  static val_t once_value_4; /* Once value */
+    static val_t once_value_5; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 648;
+  fra.me.meth = LOCATE_typing___AForExpr___process_control_inside;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 6;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:650 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_scope___ScopeContext___push(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0]);
+  /* ./syntax//typing.nit:651 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:654 */
+  fra.me.REG[3] = CALL_parser_nodes___AForExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___Token___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[4] = CALL_parser_nodes___AForExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = NEW_AutoVariable_syntax_base___AutoVariable___init(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:655 */
+  ATTR_typing___AForExpr____variable(fra.me.REG[0]) = fra.me.REG[4];
+  /* ./syntax//typing.nit:656 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_scope___ScopeContext___add_variable(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:659 */
+  fra.me.REG[3] = CALL_parser_nodes___AForExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:661 */
+  fra.me.REG[3] = CALL_parser_nodes___AForExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[5] = CALL_syntax_base___AbsSyntaxVisitor___type_collection(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[5]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:662 */
+  fra.me.REG[5] = CALL_parser_nodes___AForExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[5] = CALL_syntax_base___AExpr___stype(fra.me.REG[5])(fra.me.REG[5]);
+  /* ./syntax//typing.nit:665 */
+  if (!once_value_2) {
+    if (!once_value_3) {
+      fra.me.REG[3] = BOX_NativeString("iterator");
+      REGB0 = TAG_Int(8);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_3 = fra.me.REG[3];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[3] = once_value_3;
+    fra.me.REG[3] = fra.me.REG[3];
+    fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+    once_value_2 = fra.me.REG[3];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[3] = once_value_2;
+  fra.me.REG[3] = fra.me.REG[3];
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___get_method(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5], fra.me.REG[3]);
+  /* ./syntax//typing.nit:666 */
+  fra.me.REG[5] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+  fra.me.REG[5] = CALL_static_type___MMSignature___return_type(fra.me.REG[5])(fra.me.REG[5]);
+  REGB0 = TAG_Bool((fra.me.REG[5]!=NIT_NULL) && VAL_ISA(fra.me.REG[5], COLOR_MMType, ID_MMType)) /*cast MMType*/;
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 666);
+  }
+  /* ./syntax//typing.nit:667 */
+  if (!once_value_4) {
+    if (!once_value_5) {
+      fra.me.REG[3] = BOX_NativeString("item");
+      REGB0 = TAG_Int(4);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_5 = fra.me.REG[3];
+      register_static_object(&once_value_5);
+    } else fra.me.REG[3] = once_value_5;
+    fra.me.REG[3] = fra.me.REG[3];
+    fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+    once_value_4 = fra.me.REG[3];
+    register_static_object(&once_value_4);
+  } else fra.me.REG[3] = once_value_4;
+  fra.me.REG[3] = fra.me.REG[3];
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___get_method(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5], fra.me.REG[3]);
+  /* ./syntax//typing.nit:668 */
+  fra.me.REG[5] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+  fra.me.REG[5] = CALL_static_type___MMSignature___return_type(fra.me.REG[5])(fra.me.REG[5]);
+  REGB0 = TAG_Bool((fra.me.REG[5]!=NIT_NULL) && VAL_ISA(fra.me.REG[5], COLOR_MMType, ID_MMType)) /*cast MMType*/;
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 668);
+  }
+  /* ./syntax//typing.nit:669 */
+  fra.me.REG[3] = CALL_parser_nodes___AForExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_typing___AExpr___is_self(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[3] = CALL_static_type___MMType___not_for_self(fra.me.REG[5])(fra.me.REG[5]);
+    fra.me.REG[5] = fra.me.REG[3];
+  }
+  /* ./syntax//typing.nit:670 */
+  CALL_syntax_base___Variable___stype__eq(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+  /* ./syntax//typing.nit:673 */
+  fra.me.REG[0] = CALL_parser_nodes___AForExpr___n_block(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___enter_visit_block(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./syntax//typing.nit:676 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:677 */
+  fra.me.REG[1] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_scope___ScopeContext___pop(fra.me.REG[1])(fra.me.REG[1]);
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return;
 }
-val_t typing___APlusAssignOp___method_name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 648, LOCATE_typing___APlusAssignOp___method_name};
-  static val_t once_value_97; static int once_bool_97; /* Once value for variable[2]*/
-    static val_t once_value_98 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_97) variable[2] = once_value_97;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_98 != NIT_NULL) variable[2] = once_value_98;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("+"), TAG_Int(1)) /*new String*/;
-      once_value_98 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_97 = variable[2];
-    once_bool_97 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label96;
-  return_label96: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AMinusAssignOp___method_name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 651, LOCATE_typing___AMinusAssignOp___method_name};
-  static val_t once_value_100; static int once_bool_100; /* Once value for variable[2]*/
-    static val_t once_value_101 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_100) variable[2] = once_value_100;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_101 != NIT_NULL) variable[2] = once_value_101;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("-"), TAG_Int(1)) /*new String*/;
-      once_value_101 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_100 = variable[2];
-    once_bool_100 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label99;
-  return_label99: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___ASelfExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 657, LOCATE_typing___ASelfExpr___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___self_var( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::self_var*/;
-  CALL_syntax_base___ASelfExpr___variable__eq(variable[0])(variable[0], variable[3]) /*ASelfExpr::variable=*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___ASelfExpr___variable(variable[0])(variable[0]) /*ASelfExpr::variable*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_control_flow___VariableContext___stype(variable[3])(variable[3], variable[4]) /*VariableContext::stype*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label102: while(false);
-  tracehead = trace.prev;
+void typing___AAssertExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 682;
+  fra.me.meth = LOCATE_typing___AAssertExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:685 */
+  fra.me.REG[2] = CALL_parser_nodes___AAssertExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:686 */
+  fra.me.REG[2] = CALL_parser_nodes___AAssertExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:689 */
+  fra.me.REG[3] = CALL_parser_nodes___AAssertExpr___n_else(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:690 */
+    fra.me.REG[3] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    /* ./syntax//typing.nit:691 */
+    fra.me.REG[2] = CALL_parser_nodes___AAssertExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+    CALL_typing___TypingVisitor___use_if_false_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    /* ./syntax//typing.nit:692 */
+    fra.me.REG[2] = CALL_parser_nodes___AAssertExpr___n_else(fra.me.REG[0])(fra.me.REG[0]);
+    CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    /* ./syntax//typing.nit:693 */
+    CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  }
+  /* ./syntax//typing.nit:697 */
+  fra.me.REG[3] = CALL_parser_nodes___AAssertExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_true_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:698 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ASelfExpr___is_self(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 664, LOCATE_typing___ASelfExpr___is_self};
-  val_t variable[2];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  variable[1] =  TAG_Bool(true);
-  goto return_label103;
-  return_label103: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ASelfExpr___its_variable(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 655, LOCATE_typing___ASelfExpr___its_variable};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_syntax_base___ASelfExpr___variable(variable[0])(variable[0]) /*ASelfExpr::variable*/;
-  variable[1] = variable[2];
-  goto return_label104;
-  return_label104: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AImplicitSelfExpr___is_implicit_self(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 668, LOCATE_typing___AImplicitSelfExpr___is_implicit_self};
-  val_t variable[2];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  variable[1] =  TAG_Bool(true);
-  goto return_label105;
-  return_label105: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___AIfexprExpr___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 672, LOCATE_typing___AIfexprExpr___accept_typing};
-  val_t variable[7];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfexprExpr___n_expr(variable[0])(variable[0]) /*AIfexprExpr::n_expr*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfexprExpr___n_expr(variable[0])(variable[0]) /*AIfexprExpr::n_expr*/;
-  CALL_typing___TypingVisitor___use_if_true_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::use_if_true_variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfexprExpr___n_then(variable[0])(variable[0]) /*AIfexprExpr::n_then*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfexprExpr___n_expr(variable[0])(variable[0]) /*AIfexprExpr::n_expr*/;
-  CALL_typing___TypingVisitor___use_if_false_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::use_if_false_variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfexprExpr___n_else(variable[0])(variable[0]) /*AIfexprExpr::n_else*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIfexprExpr___n_expr(variable[0])(variable[0]) /*AIfexprExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  variable[4] = NEW_Array_array___Array___with_capacity(TAG_Int(2)) /*new Array[PExpr]*/ /* Ensure var: Literal array*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AIfexprExpr___n_then(variable[0])(variable[0]) /*AIfexprExpr::n_then*/;
-  CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AIfexprExpr___n_else(variable[0])(variable[0]) /*AIfexprExpr::n_else*/;
-  CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[6]) /*AbstractArray::add*/;
-  /* Register variable[4]: Result */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_multiexpr( variable[1] /*v*/)( variable[1] /*v*/,  NIT_NULL /*null*/, variable[4]) /*AbsSyntaxVisitor::check_conform_multiexpr*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ = variable[4];
-  return_label106: while(false);
-  tracehead = trace.prev;
+val_t typing___AVarFormExpr___variable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 704;
+  fra.me.meth = LOCATE_typing___AVarFormExpr___variable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:704 */
+  fra.me.REG[0] = ATTR_typing___AVarFormExpr____variable(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 704);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AVarExpr___its_variable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 708;
+  fra.me.meth = LOCATE_typing___AVarExpr___its_variable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:708 */
+  fra.me.REG[0] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AVarExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 710;
+  fra.me.meth = LOCATE_typing___AVarExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:712 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_flow___FlowContext___check_is_set(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0], fra.me.REG[3]);
+  /* ./syntax//typing.nit:713 */
+  fra.me.REG[1] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_flow___FlowContext___stype(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:714 */
+  fra.me.REG[3] = ATTR_typing___AExpr____stype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void typing___AVarAssignExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 719;
+  fra.me.meth = LOCATE_typing___AVarAssignExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:721 */
+  fra.me.REG[2] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___mark_is_set(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:724 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___base_flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_flow___FlowContext___stype(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:725 */
+  fra.me.REG[2] = CALL_parser_nodes___AAssignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:726 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[2] = CALL_parser_nodes___AAssignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:729 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[2] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_parser_nodes___AAssignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_syntax_base___AExpr___stype(fra.me.REG[4])(fra.me.REG[4]);
+  fra.me.REG[4] = CALL_flow___FlowContext___sub_with(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[0], fra.me.REG[2], fra.me.REG[4]);
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:731 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+val_t typing___AReassignFormExpr___do_rvalue_typing(val_t p0, val_t p1, val_t p2){
+  struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+    static val_t once_value_4; /* Once value */
+    static val_t once_value_5; /* Once value */
+    static val_t once_value_6; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 736;
+  fra.me.meth = LOCATE_typing___AReassignFormExpr___do_rvalue_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 8;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  /* ./syntax//typing.nit:741 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:742 */
+    fra.me.REG[3] = NIT_NULL;
+    goto label1;
+  }
+  /* ./syntax//typing.nit:744 */
+  fra.me.REG[4] = CALL_parser_nodes___AReassignFormExpr___n_assign_op(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_typing___AAssignOp___method_name(fra.me.REG[4])(fra.me.REG[4]);
+  /* ./syntax//typing.nit:745 */
+  REGB0 = TAG_Bool((fra.me.REG[2]!=NIT_NULL) && VAL_ISA(fra.me.REG[2], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:746 */
+    REGB0 = TAG_Int(3);
+    fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_2) {
+      fra.me.REG[6] = BOX_NativeString("Error: Method '");
+      REGB0 = TAG_Int(15);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
+      once_value_2 = fra.me.REG[6];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[6] = once_value_2;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    if (!once_value_3) {
+      fra.me.REG[6] = BOX_NativeString("' call on 'null'.");
+      REGB0 = TAG_Int(17);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
+      once_value_3 = fra.me.REG[6];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[6] = once_value_3;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[5]);
+    /* ./syntax//typing.nit:747 */
+    fra.me.REG[3] = NIT_NULL;
+    goto label1;
+  }
+  /* ./syntax//typing.nit:749 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 749);
+  }
+  fra.me.REG[5] = CALL_static_type___MMType___local_class(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:750 */
+  REGB0 = CALL_abstractmetamodel___MMLocalClass___has_global_property_by_name(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:751 */
+    REGB0 = TAG_Int(5);
+    fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_4) {
+      fra.me.REG[7] = BOX_NativeString("Error: Method '");
+      REGB0 = TAG_Int(15);
+      fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
+      once_value_4 = fra.me.REG[7];
+      register_static_object(&once_value_4);
+    } else fra.me.REG[7] = once_value_4;
+    fra.me.REG[7] = fra.me.REG[7];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+    fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+    if (!once_value_5) {
+      fra.me.REG[7] = BOX_NativeString("' doesn't exists in ");
+      REGB0 = TAG_Int(20);
+      fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
+      once_value_5 = fra.me.REG[7];
+      register_static_object(&once_value_5);
+    } else fra.me.REG[7] = once_value_5;
+    fra.me.REG[7] = fra.me.REG[7];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+    fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+    if (!once_value_6) {
+      fra.me.REG[7] = BOX_NativeString(".");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB0);
+      once_value_6 = fra.me.REG[7];
+      register_static_object(&once_value_6);
+    } else fra.me.REG[7] = once_value_6;
+    fra.me.REG[7] = fra.me.REG[7];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+    fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[6]);
+    /* ./syntax//typing.nit:752 */
+    fra.me.REG[3] = NIT_NULL;
+    goto label1;
+  }
+  /* ./syntax//typing.nit:754 */
+  fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___select_method(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+  /* ./syntax//typing.nit:755 */
+  fra.me.REG[5] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[4])(fra.me.REG[4]);
+  fra.me.REG[6] = CALL_syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(false);
+  CALL_syntax_base___MMGlobalProperty___check_visibility(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[1], fra.me.REG[0], fra.me.REG[6], REGB0);
+  /* ./syntax//typing.nit:756 */
+  fra.me.REG[2] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+  /* ./syntax//typing.nit:757 */
+  ATTR_typing___AReassignFormExpr____assign_method(fra.me.REG[0]) = fra.me.REG[4];
+  /* ./syntax//typing.nit:758 */
+  fra.me.REG[0] = CALL_parser_nodes___AReassignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Int(0);
+  fra.me.REG[4] = CALL_static_type___MMSignature_____bra(fra.me.REG[2])(fra.me.REG[2], REGB0);
+  fra.me.REG[4] = CALL_static_type___MMType___not_for_self(fra.me.REG[4])(fra.me.REG[4]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[3] = NIT_NULL;
+    goto label1;
+  }
+  /* ./syntax//typing.nit:759 */
+  fra.me.REG[2] = CALL_static_type___MMSignature___return_type(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 759);
+  }
+  fra.me.REG[2] = CALL_static_type___MMType___not_for_self(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[3] = fra.me.REG[2];
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[3];
+}
+val_t typing___AReassignFormExpr___assign_method(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 762;
+  fra.me.meth = LOCATE_typing___AReassignFormExpr___assign_method;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:762 */
+  fra.me.REG[0] = ATTR_typing___AReassignFormExpr____assign_method(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 762);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AVarReassignExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 767;
+  fra.me.meth = LOCATE_typing___AVarReassignExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:769 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_flow___FlowContext___check_is_set(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0], fra.me.REG[3]);
+  /* ./syntax//typing.nit:770 */
+  fra.me.REG[3] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___mark_is_set(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:771 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[2] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_flow___FlowContext___stype(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+  /* ./syntax//typing.nit:772 */
+  fra.me.REG[2] = CALL_typing___AReassignFormExpr___do_rvalue_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:773 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:776 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___base_flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[4] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_flow___FlowContext___stype(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:777 */
+  fra.me.REG[3] = CALL_parser_nodes___AReassignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:778 */
+  REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[3] = CALL_parser_nodes___AReassignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_conform(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[2], fra.me.REG[4]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:781 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_syntax_base___AVarFormExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_flow___FlowContext___sub_with(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:783 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ABoolExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 691, LOCATE_typing___ABoolExpr___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label107: while(false);
-  tracehead = trace.prev;
+val_t typing___AAssignOp___method_name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 788;
+  fra.me.meth = LOCATE_typing___AAssignOp___method_name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./syntax//typing.nit:788 */
+  nit_abort("Deferred method called", NULL, LOCATE_typing, 788);
+  stack_frame_head = fra.me.prev;
+  return NIT_NULL;
+}
+val_t typing___APlusAssignOp___method_name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 791;
+  fra.me.meth = LOCATE_typing___APlusAssignOp___method_name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:791 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("+");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AMinusAssignOp___method_name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 794;
+  fra.me.meth = LOCATE_typing___AMinusAssignOp___method_name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:794 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("-");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ASelfExpr___variable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 799;
+  fra.me.meth = LOCATE_typing___ASelfExpr___variable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:799 */
+  fra.me.REG[0] = ATTR_typing___ASelfExpr____variable(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 799);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ASelfExpr___its_variable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 801;
+  fra.me.meth = LOCATE_typing___ASelfExpr___its_variable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:801 */
+  fra.me.REG[0] = CALL_syntax_base___ASelfExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ASelfExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 803;
+  fra.me.meth = LOCATE_typing___ASelfExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:805 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___self_var(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___ASelfExpr____variable(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:806 */
+  fra.me.REG[1] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[2] = CALL_syntax_base___ASelfExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_flow___FlowContext___stype(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:807 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AOrExpr___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 699, LOCATE_typing___AOrExpr___accept_typing};
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AOrExpr___n_expr(variable[0])(variable[0]) /*AOrExpr::n_expr*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AOrExpr___n_expr(variable[0])(variable[0]) /*AOrExpr::n_expr*/;
-  CALL_typing___TypingVisitor___use_if_false_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::use_if_false_variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AOrExpr___n_expr2(variable[0])(variable[0]) /*AOrExpr::n_expr2*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AOrExpr___n_expr2(variable[0])(variable[0]) /*AOrExpr::n_expr2*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___PExpr___if_false_variable_ctx(variable[4])(variable[4]) /*PExpr::if_false_variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AOrExpr___n_expr2(variable[0])(variable[0]) /*AOrExpr::n_expr2*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___PExpr___if_false_variable_ctx(variable[4])(variable[4]) /*PExpr::if_false_variable_ctx*/;
-    ATTR_typing___PExpr____if_false_variable_ctx(variable[0]) /*PExpr::_if_false_variable_ctx*/ = variable[4];
-  } else { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    ATTR_typing___PExpr____if_false_variable_ctx(variable[0]) /*PExpr::_if_false_variable_ctx*/ = variable[4];
-  }
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AOrExpr___n_expr(variable[0])(variable[0]) /*AOrExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AOrExpr___n_expr2(variable[0])(variable[0]) /*AOrExpr::n_expr2*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[4];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label108: while(false);
-  tracehead = trace.prev;
+val_t typing___ASelfExpr___is_self(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 810;
+  fra.me.meth = LOCATE_typing___ASelfExpr___is_self;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:810 */
+  REGB0 = TAG_Bool(true);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+val_t typing___AImplicitSelfExpr___is_implicit_self(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 814;
+  fra.me.meth = LOCATE_typing___AImplicitSelfExpr___is_implicit_self;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:814 */
+  REGB0 = TAG_Bool(true);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB0;
+}
+void typing___AIfexprExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 818;
+  fra.me.meth = LOCATE_typing___AIfexprExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:820 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:823 */
+  fra.me.REG[3] = CALL_parser_nodes___AIfexprExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:824 */
+  fra.me.REG[3] = CALL_parser_nodes___AIfexprExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:827 */
+  fra.me.REG[4] = CALL_parser_nodes___AIfexprExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_true_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:830 */
+  fra.me.REG[4] = CALL_parser_nodes___AIfexprExpr___n_then(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___enter_visit_block(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:833 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:836 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:837 */
+  fra.me.REG[2] = CALL_parser_nodes___AIfexprExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_false_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:840 */
+  fra.me.REG[2] = CALL_parser_nodes___AIfexprExpr___n_else(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___enter_visit_block(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:843 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___base_flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_flow___FlowContext___merge_reash(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0], fra.me.REG[4], fra.me.REG[3]);
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:845 */
+  REGB0 = TAG_Int(2);
+  fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
+  fra.me.REG[4] = CALL_parser_nodes___AIfexprExpr___n_then(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = CALL_parser_nodes___AIfexprExpr___n_else(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(fra.me.REG[1])(fra.me.REG[1], NIT_NULL, fra.me.REG[3]);
+  /* ./syntax//typing.nit:846 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:848 */
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:849 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AAndExpr___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 723, LOCATE_typing___AAndExpr___accept_typing};
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAndExpr___n_expr(variable[0])(variable[0]) /*AAndExpr::n_expr*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAndExpr___n_expr(variable[0])(variable[0]) /*AAndExpr::n_expr*/;
-  CALL_typing___TypingVisitor___use_if_true_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::use_if_true_variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAndExpr___n_expr2(variable[0])(variable[0]) /*AAndExpr::n_expr2*/;
-  CALL_parser_prod___Visitor___visit( variable[1] /*v*/)( variable[1] /*v*/, variable[4]) /*TypingVisitor::visit*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAndExpr___n_expr2(variable[0])(variable[0]) /*AAndExpr::n_expr2*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___PExpr___if_true_variable_ctx(variable[4])(variable[4]) /*PExpr::if_true_variable_ctx*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AAndExpr___n_expr2(variable[0])(variable[0]) /*AAndExpr::n_expr2*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___PExpr___if_true_variable_ctx(variable[4])(variable[4]) /*PExpr::if_true_variable_ctx*/;
-    ATTR_typing___PExpr____if_true_variable_ctx(variable[0]) /*PExpr::_if_true_variable_ctx*/ = variable[4];
-  } else { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    ATTR_typing___PExpr____if_true_variable_ctx(variable[0]) /*PExpr::_if_true_variable_ctx*/ = variable[4];
-  }
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAndExpr___n_expr(variable[0])(variable[0]) /*AAndExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAndExpr___n_expr2(variable[0])(variable[0]) /*AAndExpr::n_expr2*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[4];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label109: while(false);
-  tracehead = trace.prev;
+void typing___ABoolExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 854;
+  fra.me.meth = LOCATE_typing___ABoolExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:856 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:857 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ANotExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 747, LOCATE_typing___ANotExpr___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ANotExpr___n_expr(variable[0])(variable[0]) /*ANotExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3], variable[4]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ANotExpr___n_expr(variable[0])(variable[0]) /*ANotExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___PExpr____if_true_variable_ctx(variable[3]) /*PExpr::_if_true_variable_ctx*/;
-  ATTR_typing___PExpr____if_false_variable_ctx(variable[0]) /*PExpr::_if_false_variable_ctx*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ANotExpr___n_expr(variable[0])(variable[0]) /*ANotExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___PExpr____if_false_variable_ctx(variable[3]) /*PExpr::_if_false_variable_ctx*/;
-  ATTR_typing___PExpr____if_true_variable_ctx(variable[0]) /*PExpr::_if_true_variable_ctx*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label110: while(false);
-  tracehead = trace.prev;
+void typing___AOrExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 862;
+  fra.me.meth = LOCATE_typing___AOrExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:864 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:865 */
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:866 */
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:869 */
+  fra.me.REG[4] = CALL_parser_nodes___AOrExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:872 */
+  fra.me.REG[4] = CALL_parser_nodes___AOrExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_false_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:875 */
+  fra.me.REG[4] = CALL_parser_nodes___AOrExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:876 */
+  fra.me.REG[4] = CALL_parser_nodes___AOrExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_typing___AExpr___if_false_flow_ctx(fra.me.REG[4])(fra.me.REG[4]);
+  REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:877 */
+    fra.me.REG[4] = CALL_parser_nodes___AOrExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[4] = CALL_typing___AExpr___if_false_flow_ctx(fra.me.REG[4])(fra.me.REG[4]);
+    ATTR_typing___AExpr____if_false_flow_ctx(fra.me.REG[0]) = fra.me.REG[4];
+  } else {
+    /* ./syntax//typing.nit:879 */
+    fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    ATTR_typing___AExpr____if_false_flow_ctx(fra.me.REG[0]) = fra.me.REG[4];
+  }
+  /* ./syntax//typing.nit:882 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:884 */
+  fra.me.REG[2] = CALL_parser_nodes___AOrExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:885 */
+  fra.me.REG[2] = CALL_parser_nodes___AOrExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:886 */
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:887 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AIntExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 761, LOCATE_typing___AIntExpr___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_int( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_int*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label111: while(false);
-  tracehead = trace.prev;
+void typing___AAndExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 892;
+  fra.me.meth = LOCATE_typing___AAndExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:894 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:895 */
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:898 */
+  fra.me.REG[4] = CALL_parser_nodes___AAndExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:901 */
+  fra.me.REG[4] = CALL_parser_nodes___AAndExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___TypingVisitor___use_if_true_flow_ctx(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:904 */
+  fra.me.REG[4] = CALL_parser_nodes___AAndExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:905 */
+  fra.me.REG[4] = CALL_parser_nodes___AAndExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_typing___AExpr___if_true_flow_ctx(fra.me.REG[4])(fra.me.REG[4]);
+  REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:906 */
+    fra.me.REG[4] = CALL_parser_nodes___AAndExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[4] = CALL_typing___AExpr___if_true_flow_ctx(fra.me.REG[4])(fra.me.REG[4]);
+    ATTR_typing___AExpr____if_true_flow_ctx(fra.me.REG[0]) = fra.me.REG[4];
+  } else {
+    /* ./syntax//typing.nit:908 */
+    fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    ATTR_typing___AExpr____if_true_flow_ctx(fra.me.REG[0]) = fra.me.REG[4];
+  }
+  /* ./syntax//typing.nit:911 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:913 */
+  fra.me.REG[2] = CALL_parser_nodes___AAndExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:914 */
+  fra.me.REG[2] = CALL_parser_nodes___AAndExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:915 */
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:916 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AFloatExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 769, LOCATE_typing___AFloatExpr___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_float( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_float*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label112: while(false);
-  tracehead = trace.prev;
+void typing___ANotExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 921;
+  fra.me.meth = LOCATE_typing___ANotExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:923 */
+  fra.me.REG[2] = CALL_parser_nodes___ANotExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:926 */
+  fra.me.REG[3] = CALL_parser_nodes___ANotExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = ATTR_typing___AExpr____if_true_flow_ctx(fra.me.REG[3]);
+  ATTR_typing___AExpr____if_false_flow_ctx(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:927 */
+  fra.me.REG[3] = CALL_parser_nodes___ANotExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = ATTR_typing___AExpr____if_false_flow_ctx(fra.me.REG[3]);
+  ATTR_typing___AExpr____if_true_flow_ctx(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:929 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:930 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ACharExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 777, LOCATE_typing___ACharExpr___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_char( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_char*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label113: while(false);
-  tracehead = trace.prev;
+void typing___AOrElseExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 935;
+  fra.me.meth = LOCATE_typing___AOrElseExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 7;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:937 */
+  fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:940 */
+  fra.me.REG[3] = CALL_parser_nodes___AOrElseExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:941 */
+  fra.me.REG[3] = CALL_parser_nodes___AOrElseExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:944 */
+  fra.me.REG[3] = CALL_parser_nodes___AOrElseExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AExpr___stype(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:945 */
+  REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:946 */
+    fra.me.REG[4] = CALL_parser_nodes___AOrElseExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+    if (!once_value_1) {
+      fra.me.REG[5] = BOX_NativeString("Warning: left operant of a 'or else' is not a nullable type.");
+      REGB0 = TAG_Int(60);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+      once_value_1 = fra.me.REG[5];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[5] = once_value_1;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4], fra.me.REG[5]);
+  } else {
+    /* ./syntax//typing.nit:948 */
+    fra.me.REG[5] = CALL_static_type___MMType___as_notnull(fra.me.REG[3])(fra.me.REG[3]);
+    fra.me.REG[3] = fra.me.REG[5];
+  }
+  /* ./syntax//typing.nit:952 */
+  fra.me.REG[5] = CALL_parser_nodes___AOrElseExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[5] = CALL_typing___AExpr___its_variable(fra.me.REG[5])(fra.me.REG[5]);
+  /* ./syntax//typing.nit:953 */
+  REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:954 */
+    fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[6] = CALL_syntax_base___AbsSyntaxVisitor___type_none(fra.me.REG[1])(fra.me.REG[1]);
+    CALL_flow___FlowContext___sub_with(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0], fra.me.REG[5], fra.me.REG[6]);
+  }
+  /* ./syntax//typing.nit:958 */
+  fra.me.REG[6] = CALL_parser_nodes___AOrElseExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_parser_prod___Visitor___enter_visit(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
+  /* ./syntax//typing.nit:959 */
+  fra.me.REG[6] = CALL_parser_nodes___AOrElseExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
+  /* ./syntax//typing.nit:962 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:965 */
+  REGB0 = TAG_Int(1);
+  fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
+  fra.me.REG[6] = CALL_parser_nodes___AOrElseExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
+  fra.me.REG[2] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[2]);
+  /* ./syntax//typing.nit:966 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label2;
+  }
+  /* ./syntax//typing.nit:968 */
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:969 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label2: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AStringFormExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 786, LOCATE_typing___AStringFormExpr___after_typing};
-  static val_t once_value_115; static int once_bool_115; /* Once value for variable[4]*/
-    static val_t once_value_116 = NIT_NULL; /* Once value for string variable[4]*/
-    static val_t once_value_117 = NIT_NULL; /* Once value for string variable[4]*/
-    static val_t once_value_118 = NIT_NULL; /* Once value for string variable[4]*/
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_string( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_string*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_static_type___MMType___local_class(variable[3])(variable[3]) /*MMType::local_class*/;
-  /* Register variable[4]: Once expression result */
-  if (once_bool_115) variable[4] = once_value_115;
-  else {
-    /* Register variable[4]: Once String constant */
-    if (once_value_116 != NIT_NULL) variable[4] = once_value_116;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString("with_native"), TAG_Int(11)) /*new String*/;
-      once_value_116 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Register variable[4]: Result */
-    variable[4] = CALL_symbol___String___to_symbol(variable[4])(variable[4]) /*String::to_symbol*/;
-    once_value_115 = variable[4];
-    once_bool_115 = true;
-  }
-  /* Register variable[4]: Result */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[3])(variable[3], variable[4]) /*MMLocalClass::select_method*/;
-  ATTR_typing___AStringFormExpr____meth_with_native(variable[0]) /*AStringFormExpr::_meth_with_native*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___AStringFormExpr____meth_with_native(variable[0]) /*AStringFormExpr::_meth_with_native*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[4]: Once String constant */
-    if (once_value_117 != NIT_NULL) variable[4] = once_value_117;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-      once_value_117 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-    /* Register variable[4]: Result */
-    variable[4] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[4]: Once String constant */
-    if (once_value_118 != NIT_NULL) variable[4] = once_value_118;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString(" MUST have a with_native method."), TAG_Int(32)) /*new String*/;
-      once_value_118 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_string___Object___to_s(variable[3])(variable[3]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::error*/;
-  }
-  return_label114: while(false);
-  tracehead = trace.prev;
+void typing___AIntExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 974;
+  fra.me.meth = LOCATE_typing___AIntExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:976 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_int(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:977 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AStringFormExpr___meth_with_native(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 785, LOCATE_typing___AStringFormExpr___meth_with_native};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AStringFormExpr____meth_with_native( self) /*AStringFormExpr::_meth_with_native*/;
-}
-void typing___ASuperstringExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 800, LOCATE_typing___ASuperstringExpr___after_typing};
-  static val_t once_value_120; static int once_bool_120; /* Once value for variable[4]*/
-    static val_t once_value_121 = NIT_NULL; /* Once value for string variable[4]*/
-    static val_t once_value_122 = NIT_NULL; /* Once value for string variable[4]*/
-    static val_t once_value_123 = NIT_NULL; /* Once value for string variable[4]*/
-  static val_t once_value_124; static int once_bool_124; /* Once value for variable[4]*/
-    static val_t once_value_125 = NIT_NULL; /* Once value for string variable[4]*/
-    static val_t once_value_126 = NIT_NULL; /* Once value for string variable[4]*/
-    static val_t once_value_127 = NIT_NULL; /* Once value for string variable[4]*/
-  static val_t once_value_128; static int once_bool_128; /* Once value for variable[4]*/
-    static val_t once_value_129 = NIT_NULL; /* Once value for string variable[4]*/
-    static val_t once_value_130 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_string( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_string*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_array( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*AbsSyntaxVisitor::type_array*/;
-  ATTR_typing___ASuperstringExpr____atype(variable[0]) /*ASuperstringExpr::_atype*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___ASuperstringExpr____atype(variable[0]) /*ASuperstringExpr::_atype*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_static_type___MMType___local_class(variable[3])(variable[3]) /*MMType::local_class*/;
-  /* Register variable[4]: Once expression result */
-  if (once_bool_120) variable[4] = once_value_120;
-  else {
-    /* Register variable[4]: Once String constant */
-    if (once_value_121 != NIT_NULL) variable[4] = once_value_121;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString("with_capacity"), TAG_Int(13)) /*new String*/;
-      once_value_121 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Register variable[4]: Result */
-    variable[4] = CALL_symbol___String___to_symbol(variable[4])(variable[4]) /*String::to_symbol*/;
-    once_value_120 = variable[4];
-    once_bool_120 = true;
-  }
-  /* Register variable[4]: Result */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[3])(variable[3], variable[4]) /*MMLocalClass::select_method*/;
-  ATTR_typing___ASuperstringExpr____meth_with_capacity(variable[0]) /*ASuperstringExpr::_meth_with_capacity*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___ASuperstringExpr____meth_with_capacity(variable[0]) /*ASuperstringExpr::_meth_with_capacity*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[4]: Once String constant */
-    if (once_value_122 != NIT_NULL) variable[4] = once_value_122;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-      once_value_122 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-    /* Register variable[4]: Result */
-    variable[4] = ATTR_typing___ASuperstringExpr____atype(variable[0]) /*ASuperstringExpr::_atype*/;
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[4]: Once String constant */
-    if (once_value_123 != NIT_NULL) variable[4] = once_value_123;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString(" MUST have a with_capacity method."), TAG_Int(34)) /*new String*/;
-      once_value_123 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_string___Object___to_s(variable[3])(variable[3]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::error*/;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___ASuperstringExpr____atype(variable[0]) /*ASuperstringExpr::_atype*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_static_type___MMType___local_class(variable[3])(variable[3]) /*MMType::local_class*/;
-  /* Register variable[4]: Once expression result */
-  if (once_bool_124) variable[4] = once_value_124;
-  else {
-    /* Register variable[4]: Once String constant */
-    if (once_value_125 != NIT_NULL) variable[4] = once_value_125;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString("add"), TAG_Int(3)) /*new String*/;
-      once_value_125 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Register variable[4]: Result */
-    variable[4] = CALL_symbol___String___to_symbol(variable[4])(variable[4]) /*String::to_symbol*/;
-    once_value_124 = variable[4];
-    once_bool_124 = true;
-  }
-  /* Register variable[4]: Result */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[3])(variable[3], variable[4]) /*MMLocalClass::select_method*/;
-  ATTR_typing___ASuperstringExpr____meth_add(variable[0]) /*ASuperstringExpr::_meth_add*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___ASuperstringExpr____meth_add(variable[0]) /*ASuperstringExpr::_meth_add*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    variable[3] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[4]: Once String constant */
-    if (once_value_126 != NIT_NULL) variable[4] = once_value_126;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-      once_value_126 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-    /* Register variable[4]: Result */
-    variable[4] = ATTR_typing___ASuperstringExpr____atype(variable[0]) /*ASuperstringExpr::_atype*/;
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[4]: Once String constant */
-    if (once_value_127 != NIT_NULL) variable[4] = once_value_127;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString(" MUST have an add method."), TAG_Int(25)) /*new String*/;
-      once_value_127 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Ensure var variable[4]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_string___Object___to_s(variable[3])(variable[3]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::error*/;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_object( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_object*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_static_type___MMType___local_class(variable[3])(variable[3]) /*MMType::local_class*/;
-  /* Register variable[4]: Once expression result */
-  if (once_bool_128) variable[4] = once_value_128;
-  else {
-    /* Register variable[4]: Once String constant */
-    if (once_value_129 != NIT_NULL) variable[4] = once_value_129;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString("to_s"), TAG_Int(4)) /*new String*/;
-      once_value_129 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Register variable[4]: Result */
-    variable[4] = CALL_symbol___String___to_symbol(variable[4])(variable[4]) /*String::to_symbol*/;
-    once_value_128 = variable[4];
-    once_bool_128 = true;
-  }
-  /* Register variable[4]: Result */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[3])(variable[3], variable[4]) /*MMLocalClass::select_method*/;
-  ATTR_typing___ASuperstringExpr____meth_to_s(variable[0]) /*ASuperstringExpr::_meth_to_s*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___ASuperstringExpr____meth_to_s(variable[0]) /*ASuperstringExpr::_meth_to_s*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Once String constant */
-    if (once_value_130 != NIT_NULL) variable[3] = once_value_130;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString("Object MUST have a to_s method."), TAG_Int(31)) /*new String*/;
-      once_value_130 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::error*/;
-  }
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label119: while(false);
-  tracehead = trace.prev;
+void typing___AFloatExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 982;
+  fra.me.meth = LOCATE_typing___AFloatExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:984 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_float(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:985 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ASuperstringExpr___meth_with_capacity(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 796, LOCATE_typing___ASuperstringExpr___meth_with_capacity};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___ASuperstringExpr____meth_with_capacity( self) /*ASuperstringExpr::_meth_with_capacity*/;
-}
-val_t typing___ASuperstringExpr___meth_add(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 797, LOCATE_typing___ASuperstringExpr___meth_add};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___ASuperstringExpr____meth_add( self) /*ASuperstringExpr::_meth_add*/;
-}
-val_t typing___ASuperstringExpr___meth_to_s(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 798, LOCATE_typing___ASuperstringExpr___meth_to_s};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___ASuperstringExpr____meth_to_s( self) /*ASuperstringExpr::_meth_to_s*/;
-}
-val_t typing___ASuperstringExpr___atype(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 799, LOCATE_typing___ASuperstringExpr___atype};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___ASuperstringExpr____atype( self) /*ASuperstringExpr::_atype*/;
-}
-void typing___ANullExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 815, LOCATE_typing___ANullExpr___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_none( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_none*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label131: while(false);
-  tracehead = trace.prev;
+void typing___ACharExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 990;
+  fra.me.meth = LOCATE_typing___ACharExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:992 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_char(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:993 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AArrayExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 826, LOCATE_typing___AArrayExpr___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AArrayExpr___n_exprs(variable[0])(variable[0]) /*AArrayExpr::n_exprs*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_multiexpr( variable[1] /*v*/)( variable[1] /*v*/,  NIT_NULL /*null*/, variable[4]) /*AbsSyntaxVisitor::check_conform_multiexpr*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(( variable[3] /*stype*/ ==  NIT_NULL /*null*/) || (( variable[3] /*stype*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*stype*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*stype*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*stype*/)( variable[3] /*stype*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    goto return_label132;
-  }
-  CALL_typing___AArrayExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/,  variable[3] /*stype*/) /*AArrayExpr::do_typing*/;
-  return_label132: while(false);
-  tracehead = trace.prev;
+void typing___AStringFormExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 998;
+  fra.me.meth = LOCATE_typing___AStringFormExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1000 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_string(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:1001 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AArrayExpr___meth_with_capacity(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 823, LOCATE_typing___AArrayExpr___meth_with_capacity};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AArrayExpr____meth_with_capacity( self) /*AArrayExpr::_meth_with_capacity*/;
-}
-val_t typing___AArrayExpr___meth_add(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 824, LOCATE_typing___AArrayExpr___meth_add};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AArrayExpr____meth_add( self) /*AArrayExpr::_meth_add*/;
-}
-void typing___AArrayExpr___do_typing(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 833, LOCATE_typing___AArrayExpr___do_typing};
-  static val_t once_value_134; static int once_bool_134; /* Once value for variable[5]*/
-    static val_t once_value_135 = NIT_NULL; /* Once value for string variable[5]*/
-    static val_t once_value_136 = NIT_NULL; /* Once value for string variable[5]*/
-    static val_t once_value_137 = NIT_NULL; /* Once value for string variable[5]*/
-  static val_t once_value_138; static int once_bool_138; /* Once value for variable[5]*/
-    static val_t once_value_139 = NIT_NULL; /* Once value for string variable[5]*/
-    static val_t once_value_140 = NIT_NULL; /* Once value for string variable[5]*/
-    static val_t once_value_141 = NIT_NULL; /* Once value for string variable[5]*/
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Method return value and escape marker */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___type_array( variable[1] /*v*/)( variable[1] /*v*/,  variable[2] /*element_type*/) /*AbsSyntaxVisitor::type_array*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMType___local_class(variable[4])(variable[4]) /*MMType::local_class*/;
-  /* Register variable[5]: Once expression result */
-  if (once_bool_134) variable[5] = once_value_134;
-  else {
-    /* Register variable[5]: Once String constant */
-    if (once_value_135 != NIT_NULL) variable[5] = once_value_135;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString("with_capacity"), TAG_Int(13)) /*new String*/;
-      once_value_135 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Register variable[5]: Result */
-    variable[5] = CALL_symbol___String___to_symbol(variable[5])(variable[5]) /*String::to_symbol*/;
-    once_value_134 = variable[5];
-    once_bool_134 = true;
-  }
-  /* Register variable[5]: Result */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[4])(variable[4], variable[5]) /*MMLocalClass::select_method*/;
-  ATTR_typing___AArrayExpr____meth_with_capacity(variable[0]) /*AArrayExpr::_meth_with_capacity*/ = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = ATTR_typing___AArrayExpr____meth_with_capacity(variable[0]) /*AArrayExpr::_meth_with_capacity*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_136 != NIT_NULL) variable[5] = once_value_136;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-      once_value_136 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-    /* Register variable[5]: Result */
-    variable[5] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_137 != NIT_NULL) variable[5] = once_value_137;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString(" MUST have a with_capacity method."), TAG_Int(34)) /*new String*/;
-      once_value_137 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-  }
-  /* Register variable[4]: Result */
-  variable[4] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMType___local_class(variable[4])(variable[4]) /*MMType::local_class*/;
-  /* Register variable[5]: Once expression result */
-  if (once_bool_138) variable[5] = once_value_138;
-  else {
-    /* Register variable[5]: Once String constant */
-    if (once_value_139 != NIT_NULL) variable[5] = once_value_139;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString("add"), TAG_Int(3)) /*new String*/;
-      once_value_139 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Register variable[5]: Result */
-    variable[5] = CALL_symbol___String___to_symbol(variable[5])(variable[5]) /*String::to_symbol*/;
-    once_value_138 = variable[5];
-    once_bool_138 = true;
-  }
-  /* Register variable[5]: Result */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[4])(variable[4], variable[5]) /*MMLocalClass::select_method*/;
-  ATTR_typing___AArrayExpr____meth_add(variable[0]) /*AArrayExpr::_meth_add*/ = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = ATTR_typing___AArrayExpr____meth_add(variable[0]) /*AArrayExpr::_meth_add*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_140 != NIT_NULL) variable[5] = once_value_140;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-      once_value_140 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-    /* Register variable[5]: Result */
-    variable[5] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_141 != NIT_NULL) variable[5] = once_value_141;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString(" MUST have an add method."), TAG_Int(25)) /*new String*/;
-      once_value_141 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-  }
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label133: while(false);
-  tracehead = trace.prev;
+val_t typing___ASuperstringExpr___atype(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1006;
+  fra.me.meth = LOCATE_typing___ASuperstringExpr___atype;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1006 */
+  fra.me.REG[0] = ATTR_typing___ASuperstringExpr____atype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1006);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ASuperstringExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1008;
+  fra.me.meth = LOCATE_typing___ASuperstringExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1010 */
+  fra.me.REG[2] = CALL_syntax_base___AbsSyntaxVisitor___type_object(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:1011 */
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___type_string(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:1012 */
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:1013 */
+  fra.me.REG[4] = CALL_parser_nodes___ASuperstringExpr___n_exprs(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___Collection___iterate(fra.me.REG[4])(fra.me.REG[4], (&(fra.me)), ((fun_t)OC_typing___ASuperstringExpr___after_typing_1));
+  /* ./syntax//typing.nit:1014 */
+  fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___type_array(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:1015 */
+  ATTR_typing___ASuperstringExpr____atype(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:1016 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ARangeExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 848, LOCATE_typing___ARangeExpr___after_typing};
-      static val_t once_value_143 = NIT_NULL; /* Once value for string variable[6]*/
-      static val_t once_value_144 = NIT_NULL; /* Once value for string variable[6]*/
-      static val_t once_value_145 = NIT_NULL; /* Once value for string variable[6]*/
-  val_t variable[7];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ARangeExpr___n_expr(variable[0])(variable[0]) /*ARangeExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___check_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*AbsSyntaxVisitor::check_expr*/;
-  variable[3] =  TAG_Bool(!UNTAG_Bool(variable[3])) /* Ensure var: Left 'or' operand*/;
-  if (!UNTAG_Bool(variable[3])) { /* or */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ARangeExpr___n_expr2(variable[0])(variable[0]) /*ARangeExpr::n_expr2*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___AbsSyntaxVisitor___check_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*AbsSyntaxVisitor::check_expr*/;
-    variable[3] =  TAG_Bool(!UNTAG_Bool(variable[3]));
-  }
-  /* Register variable[3]: Result */
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    goto return_label142;
-  }
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___ARangeExpr___n_expr(variable[0])(variable[0]) /*ARangeExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___PExpr___stype(variable[4])(variable[4]) /*PExpr::stype*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___ARangeExpr___n_expr2(variable[0])(variable[0]) /*ARangeExpr::n_expr2*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___PExpr___stype(variable[5])(variable[5]) /*PExpr::stype*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_static_type___MMType_____l( variable[3] /*ntype*/)( variable[3] /*ntype*/,  variable[4] /*ntype2*/) /*MMType::<*/;
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    variable[3] =  variable[4] /*ntype2*/ /*ntype=*/;
-  } else { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_static_type___MMType_____l( variable[4] /*ntype2*/)( variable[4] /*ntype2*/,  variable[3] /*ntype*/) /*MMType::<*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[5])))) { /*if*/
-      variable[5] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[6]: Once String constant */
-      if (once_value_143 != NIT_NULL) variable[6] = once_value_143;
-      else {
-        variable[6] = NEW_String_string___String___with_native(BOX_NativeString("Type error: "), TAG_Int(12)) /*new String*/;
-        once_value_143 = variable[6];
-      }
-      /* Register variable[6]: Result */
-      /* Ensure var variable[6]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-      variable[6] =  variable[3] /*ntype*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[6]: Once String constant */
-      if (once_value_144 != NIT_NULL) variable[6] = once_value_144;
-      else {
-        variable[6] = NEW_String_string___String___with_native(BOX_NativeString(" incompatible with "), TAG_Int(19)) /*new String*/;
-        once_value_144 = variable[6];
-      }
-      /* Register variable[6]: Result */
-      /* Ensure var variable[6]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-      variable[6] =  variable[4] /*ntype2*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[6]: Once String constant */
-      if (once_value_145 != NIT_NULL) variable[6] = once_value_145;
-      else {
-        variable[6] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-        once_value_145 = variable[6];
-      }
-      /* Register variable[6]: Result */
-      /* Ensure var variable[6]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-      /* Register variable[5]: Result */
-      variable[5] = CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-      goto return_label142;
-    }
-  }
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___AbsSyntaxVisitor___type_discrete( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_discrete*/;
-  variable[5] = variable[6];
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___ARangeExpr___n_expr(variable[0])(variable[0]) /*ARangeExpr::n_expr*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[6],  variable[5] /*dtype*/) /*AbsSyntaxVisitor::check_conform_expr*/;
-  variable[6] =  TAG_Bool(!UNTAG_Bool(variable[6])) /* Ensure var: Left 'or' operand*/;
-  if (!UNTAG_Bool(variable[6])) { /* or */
-    /* Register variable[6]: Result */
-    variable[6] = CALL_parser_nodes___ARangeExpr___n_expr2(variable[0])(variable[0]) /*ARangeExpr::n_expr2*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[6],  variable[5] /*dtype*/) /*AbsSyntaxVisitor::check_conform_expr*/;
-    variable[6] =  TAG_Bool(!UNTAG_Bool(variable[6]));
-  }
-  /* Register variable[6]: Result */
-  if (UNTAG_Bool(variable[6])) { /*if*/
-    goto return_label142;
-  }
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___AbsSyntaxVisitor___type_range( variable[1] /*v*/)( variable[1] /*v*/,  variable[3] /*ntype*/) /*AbsSyntaxVisitor::type_range*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[6];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label142: while(false);
-  tracehead = trace.prev;
+  void OC_typing___ASuperstringExpr___after_typing_1(struct stack_frame_t *closctx, val_t p0, struct stack_frame_t *closctx_param, fun_t clos_fun0){
+    struct {struct stack_frame_t me;} fra;
+    fun_t CREG[1];
+    val_t tmp;
+    fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+    fra.me.file = LOCATE_typing;
+    fra.me.line = 0;
+    fra.me.meth = LOCATE_typing___ASuperstringExpr___after_typing;
+    fra.me.has_broke = 0;
+    fra.me.REG_size = 1;
+    fra.me.REG[0] = NIT_NULL;
+    fra.me.closure_ctx = closctx_param;
+    fra.me.closure_funs = CREG;
+    fra.me.REG[0] = p0;
+    CREG[0] = clos_fun0;
+    CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(closctx->REG[1])(closctx->REG[1], fra.me.REG[0], closctx->REG[2]);
+    stack_frame_head = fra.me.prev;
+    return;
+  }
+void typing___ANullExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1021;
+  fra.me.meth = LOCATE_typing___ANullExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1023 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_none(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:1024 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ARangeExpr___meth_init(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 847, LOCATE_typing___ARangeExpr___meth_init};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___ARangeExpr____meth_init( self) /*ARangeExpr::_meth_init*/;
-}
-void typing___ACrangeExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 867, LOCATE_typing___ACrangeExpr___after_typing};
-  static val_t once_value_147; static int once_bool_147; /* Once value for variable[4]*/
-    static val_t once_value_148 = NIT_NULL; /* Once value for string variable[4]*/
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_SUPER_typing___ACrangeExpr___after_typing(variable[0])(variable[0], variable[1]) /*super ACrangeExpr::after_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___stype(variable[0])(variable[0]) /*PExpr::stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_static_type___MMType___local_class(variable[3])(variable[3]) /*MMType::local_class*/;
-  /* Register variable[4]: Once expression result */
-  if (once_bool_147) variable[4] = once_value_147;
-  else {
-    /* Register variable[4]: Once String constant */
-    if (once_value_148 != NIT_NULL) variable[4] = once_value_148;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString("init"), TAG_Int(4)) /*new String*/;
-      once_value_148 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Register variable[4]: Result */
-    variable[4] = CALL_symbol___String___to_symbol(variable[4])(variable[4]) /*String::to_symbol*/;
-    once_value_147 = variable[4];
-    once_bool_147 = true;
-  }
-  /* Register variable[4]: Result */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[3])(variable[3], variable[4]) /*MMLocalClass::select_method*/;
-  ATTR_typing___ARangeExpr____meth_init(variable[0]) /*ARangeExpr::_meth_init*/ = variable[3];
-  return_label146: while(false);
-  tracehead = trace.prev;
+void typing___AArrayExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1029;
+  fra.me.meth = LOCATE_typing___AArrayExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1031 */
+  fra.me.REG[2] = CALL_parser_nodes___AArrayExpr___n_exprs(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(fra.me.REG[1])(fra.me.REG[1], NIT_NULL, fra.me.REG[2]);
+  /* ./syntax//typing.nit:1032 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    CALL_typing___AArrayExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
+  }
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AOrangeExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 874, LOCATE_typing___AOrangeExpr___after_typing};
-  static val_t once_value_150; static int once_bool_150; /* Once value for variable[4]*/
-    static val_t once_value_151 = NIT_NULL; /* Once value for string variable[4]*/
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_SUPER_typing___AOrangeExpr___after_typing(variable[0])(variable[0], variable[1]) /*super AOrangeExpr::after_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___stype(variable[0])(variable[0]) /*PExpr::stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_static_type___MMType___local_class(variable[3])(variable[3]) /*MMType::local_class*/;
-  /* Register variable[4]: Once expression result */
-  if (once_bool_150) variable[4] = once_value_150;
-  else {
-    /* Register variable[4]: Once String constant */
-    if (once_value_151 != NIT_NULL) variable[4] = once_value_151;
-    else {
-      variable[4] = NEW_String_string___String___with_native(BOX_NativeString("without_last"), TAG_Int(12)) /*new String*/;
-      once_value_151 = variable[4];
-    }
-    /* Register variable[4]: Result */
-    /* Register variable[4]: Result */
-    variable[4] = CALL_symbol___String___to_symbol(variable[4])(variable[4]) /*String::to_symbol*/;
-    once_value_150 = variable[4];
-    once_bool_150 = true;
-  }
-  /* Register variable[4]: Result */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_abstractmetamodel___MMLocalClass___select_method(variable[3])(variable[3], variable[4]) /*MMLocalClass::select_method*/;
-  ATTR_typing___ARangeExpr____meth_init(variable[0]) /*ARangeExpr::_meth_init*/ = variable[3];
-  return_label149: while(false);
-  tracehead = trace.prev;
+void typing___AArrayExpr___do_typing(val_t p0, val_t p1, val_t p2){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1035;
+  fra.me.meth = LOCATE_typing___AArrayExpr___do_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  /* ./syntax//typing.nit:1037 */
+  fra.me.REG[2] = CALL_syntax_base___AbsSyntaxVisitor___type_array(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:1038 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ASuperExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 886, LOCATE_typing___ASuperExpr___after_typing};
-          static val_t once_value_154 = NIT_NULL; /* Once value for string variable[9]*/
-          static val_t once_value_155 = NIT_NULL; /* Once value for string variable[9]*/
-          static val_t once_value_156 = NIT_NULL; /* Once value for string variable[9]*/
-        static val_t once_value_157 = NIT_NULL; /* Once value for string variable[6]*/
-        static val_t once_value_158 = NIT_NULL; /* Once value for string variable[6]*/
-          static val_t once_value_159 = NIT_NULL; /* Once value for string variable[6]*/
-          static val_t once_value_160 = NIT_NULL; /* Once value for string variable[6]*/
-          static val_t once_value_161 = NIT_NULL; /* Once value for string variable[6]*/
-          static val_t once_value_162 = NIT_NULL; /* Once value for string variable[6]*/
-      static val_t once_value_163 = NIT_NULL; /* Once value for string variable[5]*/
-      static val_t once_value_164 = NIT_NULL; /* Once value for string variable[5]*/
-  val_t variable[12];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstractmetamodel___MMLocalProperty___prhe(variable[4])(variable[4]) /*MMLocalProperty::prhe*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_partial_order___PartialOrderElement___direct_greaters(variable[4])(variable[4]) /*PartialOrderElement::direct_greaters*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstract_collection___Collection___is_empty( variable[3] /*precs*/)( variable[3] /*precs*/) /*AbstractArrayRead::is_empty*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[4])))) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-    CALL_abstractmetamodel___MMLocalProperty___need_super__eq(variable[4])(variable[4],  TAG_Bool(true)) /*MMLocalProperty::need_super=*/;
-  } else { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_abstractmetamodel___MMLocalProperty___global(variable[4])(variable[4]) /*MMLocalProperty::global*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[4])(variable[4]) /*MMGlobalProperty::is_init*/;
-    if (UNTAG_Bool(variable[4])) { /*if*/
-      /* Register variable[4]: Local variable */
-      /* Register variable[5]: Result */
-      variable[5] = CALL_syntax_base___AbsSyntaxVisitor___local_class( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_class*/;
-      /* Register variable[6]: Result */
-      variable[6] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-      /* Register variable[6]: Result */
-      variable[6] = CALL_abstractmetamodel___MMLocalProperty___name(variable[6])(variable[6]) /*MMLocalProperty::name*/;
-      /* Register variable[5]: Result */
-      variable[5] = CALL_abstractmetamodel___MMLocalClass___super_methods_named(variable[5])(variable[5], variable[6]) /*MMLocalClass::super_methods_named*/;
-      variable[4] = variable[5];
-      /* Register variable[5]: For iterator */
-      variable[5] = CALL_abstract_collection___Collection___iterator( variable[4] /*base_precs*/)( variable[4] /*base_precs*/) /*AbstractArrayRead::iterator*/;
-      while (true) { /*for*/
-        /* Register variable[6]: For 'is_ok' result */
-        variable[6] = CALL_abstract_collection___Iterator___is_ok(variable[5])(variable[5]) /*ArrayIterator::is_ok*/;
-        if (!UNTAG_Bool(variable[6])) break; /*for*/
-        variable[6] = CALL_abstract_collection___Iterator___item(variable[5])(variable[5]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
-        /* Register variable[7]: Local variable */
-        variable[7] = variable[6];
-        /* Register variable[8]: Result */
-        variable[8] = CALL_abstractmetamodel___MMLocalProperty___global( variable[7] /*p*/)( variable[7] /*p*/) /*MMLocalProperty::global*/;
-        /* Register variable[8]: Result */
-        variable[8] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[8])(variable[8]) /*MMGlobalProperty::is_init*/;
-        if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[8])))) { /*if*/
-          variable[8] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-          /* Register variable[9]: Once String constant */
-          if (once_value_154 != NIT_NULL) variable[9] = once_value_154;
-          else {
-            variable[9] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-            once_value_154 = variable[9];
-          }
-          /* Register variable[9]: Result */
-          /* Ensure var variable[9]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-          /* Register variable[9]: Result */
-          variable[9] = CALL_abstractmetamodel___MMLocalProperty___local_class( variable[7] /*p*/)( variable[7] /*p*/) /*MMLocalProperty::local_class*/;
-          /* Ensure var variable[9]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-          /* Register variable[9]: Once String constant */
-          if (once_value_155 != NIT_NULL) variable[9] = once_value_155;
-          else {
-            variable[9] = NEW_String_string___String___with_native(BOX_NativeString("::"), TAG_Int(2)) /*new String*/;
-            once_value_155 = variable[9];
+void typing___ARangeExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+      static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+      static val_t once_value_4; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1043;
+  fra.me.meth = LOCATE_typing___ARangeExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 6;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1045 */
+  fra.me.REG[2] = CALL_parser_nodes___ARangeExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    fra.me.REG[2] = CALL_parser_nodes___ARangeExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1046 */
+  fra.me.REG[2] = CALL_parser_nodes___ARangeExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1047 */
+  fra.me.REG[3] = CALL_parser_nodes___ARangeExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AExpr___stype(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:1048 */
+  REGB0 = CALL_static_type___MMType_____l(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1049 */
+    fra.me.REG[2] = fra.me.REG[3];
+  } else {
+    /* ./syntax//typing.nit:1050 */
+    REGB0 = CALL_static_type___MMType_____l(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1051 */
+      REGB0 = TAG_Int(5);
+      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
+      if (!once_value_2) {
+        fra.me.REG[5] = BOX_NativeString("Type error: ");
+        REGB0 = TAG_Int(12);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_2 = fra.me.REG[5];
+        register_static_object(&once_value_2);
+      } else fra.me.REG[5] = once_value_2;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      if (!once_value_3) {
+        fra.me.REG[5] = BOX_NativeString(" incompatible with ");
+        REGB0 = TAG_Int(19);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_3 = fra.me.REG[5];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[5] = once_value_3;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+      if (!once_value_4) {
+        fra.me.REG[3] = BOX_NativeString(".");
+        REGB0 = TAG_Int(1);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_4 = fra.me.REG[3];
+        register_static_object(&once_value_4);
+      } else fra.me.REG[3] = once_value_4;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+      /* ./syntax//typing.nit:1052 */
+      goto label1;
+    }
+  }
+  /* ./syntax//typing.nit:1054 */
+  fra.me.REG[4] = CALL_syntax_base___AbsSyntaxVisitor___type_discrete(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:1055 */
+  fra.me.REG[3] = CALL_parser_nodes___ARangeExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[4]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    fra.me.REG[3] = CALL_parser_nodes___ARangeExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+    REGB1 = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[4]);
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1056 */
+  fra.me.REG[2] = CALL_syntax_base___AbsSyntaxVisitor___type_range(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:1057 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+val_t typing___ASuperExpr___init_in_superclass(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1062;
+  fra.me.meth = LOCATE_typing___ASuperExpr___init_in_superclass;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1062 */
+  fra.me.REG[0] = ATTR_typing___ASuperExpr____init_in_superclass(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ASuperExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1063;
+  fra.me.meth = LOCATE_typing___ASuperExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1063 */
+  fra.me.REG[0] = CALL_parser_nodes___ASuperExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ASuperExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[8];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+            static val_t once_value_1; /* Once value */
+            static val_t once_value_2; /* Once value */
+            static val_t once_value_3; /* Once value */
+        static val_t once_value_5; /* Once value */
+        static val_t once_value_6; /* Once value */
+          static val_t once_value_8; /* Once value */
+          static val_t once_value_9; /* Once value */
+          static val_t once_value_10; /* Once value */
+          static val_t once_value_11; /* Once value */
+      static val_t once_value_12; /* Once value */
+      static val_t once_value_13; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1064;
+  fra.me.meth = LOCATE_typing___ASuperExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 9;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1066 */
+  fra.me.REG[2] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[2] = CALL_abstractmetamodel___MMLocalProperty___prhe(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[2] = CALL_partial_order___PartialOrderElement___direct_greaters(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1067 */
+  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1068 */
+    fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(true);
+    CALL_abstractmetamodel___MMLocalProperty___need_super__eq(fra.me.REG[3])(fra.me.REG[3], REGB0);
+  } else {
+    /* ./syntax//typing.nit:1069 */
+    fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[3])(fra.me.REG[3]);
+    REGB0 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[3])(fra.me.REG[3]);
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1070 */
+      fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___local_class(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[4] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[4])(fra.me.REG[4]);
+      fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___super_methods_named(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      /* ./../lib/standard//collection//array.nit:231 */
+      fra.me.REG[3] = fra.me.REG[4];
+      /* ./../lib/standard//collection//array.nit:234 */
+      REGB0 = TAG_Int(0);
+      /* ./../lib/standard//collection//array.nit:235 */
+      REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+      }
+      REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+      /* ./../lib/standard//collection//array.nit:236 */
+      fra.me.REG[5] = ATTR_array___Array____items(fra.me.REG[3]);
+      /* ./../lib/standard//collection//array.nit:237 */
+      while(1) {
+        /* ./../lib/standard//collection//array.nit:23 */
+        REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+        }
+        REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+        /* ./../lib/standard//collection//array.nit:237 */
+        if (UNTAG_Bool(REGB1)) {
+          /* ./../lib/standard//collection//array.nit:238 */
+          REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+            nit_abort("Reciever is null", NULL, LOCATE_array, 238);
           }
-          /* Register variable[9]: Result */
-          /* Ensure var variable[9]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-          variable[9] =  variable[7] /*p*/ /* Ensure var: super-string element*/;
-          CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-          /* Register variable[9]: Once String constant */
-          if (once_value_156 != NIT_NULL) variable[9] = once_value_156;
-          else {
-            variable[9] = NEW_String_string___String___with_native(BOX_NativeString(" is not a constructor."), TAG_Int(22)) /*new String*/;
-            once_value_156 = variable[9];
+          /* ./../lib/standard//collection//array.nit:654 */
+          fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB0)];
+          /* ./syntax//typing.nit:1072 */
+          fra.me.REG[7] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[6])(fra.me.REG[6]);
+          REGB1 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[7])(fra.me.REG[7]);
+          REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+          if (UNTAG_Bool(REGB1)) {
+            /* ./syntax//typing.nit:1073 */
+            REGB1 = TAG_Int(5);
+            fra.me.REG[7] = NEW_Array_array___Array___with_capacity(REGB1);
+            if (!once_value_1) {
+              fra.me.REG[8] = BOX_NativeString("Error: ");
+              REGB1 = TAG_Int(7);
+              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+              once_value_1 = fra.me.REG[8];
+              register_static_object(&once_value_1);
+            } else fra.me.REG[8] = once_value_1;
+            fra.me.REG[8] = fra.me.REG[8];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+            fra.me.REG[8] = CALL_abstractmetamodel___MMLocalProperty___local_class(fra.me.REG[6])(fra.me.REG[6]);
+            fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+            if (!once_value_2) {
+              fra.me.REG[8] = BOX_NativeString("::");
+              REGB1 = TAG_Int(2);
+              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+              once_value_2 = fra.me.REG[8];
+              register_static_object(&once_value_2);
+            } else fra.me.REG[8] = once_value_2;
+            fra.me.REG[8] = fra.me.REG[8];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+            fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+            if (!once_value_3) {
+              fra.me.REG[8] = BOX_NativeString(" is not a constructor.");
+              REGB1 = TAG_Int(22);
+              fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+              once_value_3 = fra.me.REG[8];
+              register_static_object(&once_value_3);
+            } else fra.me.REG[8] = once_value_3;
+            fra.me.REG[8] = fra.me.REG[8];
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+            fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
+            CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[7]);
+          } else {
+            /* ./syntax//typing.nit:1075 */
+            fra.me.REG[7] = CALL_syntax_base___AbsSyntaxVisitor___local_class(fra.me.REG[1])(fra.me.REG[1]);
+            fra.me.REG[6] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[6])(fra.me.REG[6]);
+            fra.me.REG[6] = CALL_abstractmetamodel___MMLocalClass_____bra(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[6]);
+            CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[6]);
           }
-          /* Register variable[9]: Result */
-          /* Ensure var variable[9]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-          /* Register variable[8]: Result */
-          variable[8] = CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/;
-          CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[8]) /*AbsSyntaxVisitor::error*/;
-        } else { /*if*/
-          /* Register variable[8]: Result */
-          variable[8] = CALL_syntax_base___AbsSyntaxVisitor___local_class( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_class*/;
-          /* Register variable[9]: Result */
-          variable[9] = CALL_abstractmetamodel___MMLocalProperty___global( variable[7] /*p*/)( variable[7] /*p*/) /*MMLocalProperty::global*/;
-          /* Register variable[8]: Result */
-          variable[8] = CALL_abstractmetamodel___MMLocalClass_____bra(variable[8])(variable[8], variable[9]) /*MMLocalClass::[]*/;
-          CALL_abstract_collection___SimpleCollection___add( variable[3] /*precs*/)( variable[3] /*precs*/, variable[8]) /*AbstractArray::add*/;
+          /* ./../lib/standard//collection//array.nit:239 */
+          REGB1 = TAG_Int(1);
+          /* ./../lib/standard//kernel.nit:215 */
+          REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+          /* ./../lib/standard//collection//array.nit:239 */
+          REGB0 = REGB1;
+        } else {
+          /* ./../lib/standard//collection//array.nit:237 */
+          goto label4;
         }
-        continue_153: while(0);
-        CALL_abstract_collection___Iterator___next(variable[5])(variable[5]) /*ArrayIterator::next*/;
       }
-      break_153: while(0);
-      /* Register variable[5]: Result */
-      variable[5] = CALL_abstract_collection___Collection___is_empty( variable[3] /*precs*/)( variable[3] /*precs*/) /*AbstractArrayRead::is_empty*/;
-      if (UNTAG_Bool(variable[5])) { /*if*/
-        variable[5] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[6]: Once String constant */
-        if (once_value_157 != NIT_NULL) variable[6] = once_value_157;
-        else {
-          variable[6] = NEW_String_string___String___with_native(BOX_NativeString("Error: No contructor named "), TAG_Int(27)) /*new String*/;
-          once_value_157 = variable[6];
+      label4: while(0);
+      /* ./syntax//typing.nit:1078 */
+      REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[2])(fra.me.REG[2]);
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:1079 */
+        REGB0 = TAG_Int(3);
+        fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
+        if (!once_value_5) {
+          fra.me.REG[3] = BOX_NativeString("Error: No contructor named ");
+          REGB0 = TAG_Int(27);
+          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+          once_value_5 = fra.me.REG[3];
+          register_static_object(&once_value_5);
+        } else fra.me.REG[3] = once_value_5;
+        fra.me.REG[3] = fra.me.REG[3];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+        fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[3])(fra.me.REG[3]);
+        fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+        if (!once_value_6) {
+          fra.me.REG[3] = BOX_NativeString(" in superclasses.");
+          REGB0 = TAG_Int(17);
+          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+          once_value_6 = fra.me.REG[3];
+          register_static_object(&once_value_6);
+        } else fra.me.REG[3] = once_value_6;
+        fra.me.REG[3] = fra.me.REG[3];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+        fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[5]);
+        /* ./syntax//typing.nit:1080 */
+        goto label7;
+      } else {
+        /* ./../lib/standard//collection//array.nit:23 */
+        REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
         }
-        /* Register variable[6]: Result */
-        /* Ensure var variable[6]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-        /* Register variable[6]: Result */
-        variable[6] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-        /* Register variable[6]: Result */
-        variable[6] = CALL_abstractmetamodel___MMLocalProperty___name(variable[6])(variable[6]) /*MMLocalProperty::name*/;
-        /* Ensure var variable[6]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[6]: Once String constant */
-        if (once_value_158 != NIT_NULL) variable[6] = once_value_158;
-        else {
-          variable[6] = NEW_String_string___String___with_native(BOX_NativeString(" in superclasses."), TAG_Int(17)) /*new String*/;
-          once_value_158 = variable[6];
-        }
-        /* Register variable[6]: Result */
-        /* Ensure var variable[6]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-        /* Register variable[5]: Result */
-        variable[5] = CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/;
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-        goto return_label152;
-      } else { /*if*/
-        /* Register variable[5]: Result */
-        variable[5] = CALL_abstract_collection___Collection___length( variable[3] /*precs*/)( variable[3] /*precs*/) /*AbstractArrayRead::length*/;
-        /* Register variable[5]: Result */
-        variable[5] = TAG_Bool(UNTAG_Int(variable[5])>UNTAG_Int( TAG_Int(1)));
-        if (UNTAG_Bool(variable[5])) { /*if*/
-          variable[5] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-          /* Register variable[6]: Once String constant */
-          if (once_value_159 != NIT_NULL) variable[6] = once_value_159;
-          else {
-            variable[6] = NEW_String_string___String___with_native(BOX_NativeString("Error: Conflicting contructors named "), TAG_Int(37)) /*new String*/;
-            once_value_159 = variable[6];
-          }
-          /* Register variable[6]: Result */
-          /* Ensure var variable[6]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-          /* Register variable[6]: Result */
-          variable[6] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-          /* Register variable[6]: Result */
-          variable[6] = CALL_abstractmetamodel___MMLocalProperty___name(variable[6])(variable[6]) /*MMLocalProperty::name*/;
-          /* Ensure var variable[6]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/) /*AbstractArray::add*/;
-          /* Register variable[6]: Once String constant */
-          if (once_value_160 != NIT_NULL) variable[6] = once_value_160;
-          else {
-            variable[6] = NEW_String_string___String___with_native(BOX_NativeString(" in superclasses: "), TAG_Int(18)) /*new String*/;
-            once_value_160 = variable[6];
-          }
-          /* Register variable[6]: Result */
-          /* Ensure var variable[6]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-          /* Register variable[6]: Once String constant */
-          if (once_value_161 != NIT_NULL) variable[6] = once_value_161;
-          else {
-            variable[6] = NEW_String_string___String___with_native(BOX_NativeString(", "), TAG_Int(2)) /*new String*/;
-            once_value_161 = variable[6];
-          }
-          /* Register variable[6]: Result */
-          /* Register variable[6]: Result */
-          variable[6] = CALL_string___Collection___join( variable[3] /*precs*/)( variable[3] /*precs*/, variable[6]) /*Collection::join*/;
-          /* Ensure var variable[6]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-          /* Register variable[6]: Once String constant */
-          if (once_value_162 != NIT_NULL) variable[6] = once_value_162;
-          else {
-            variable[6] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-            once_value_162 = variable[6];
-          }
-          /* Register variable[6]: Result */
-          /* Ensure var variable[6]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-          /* Register variable[5]: Result */
-          variable[5] = CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/;
-          CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-          goto return_label152;
+        REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+        /* ./syntax//typing.nit:1081 */
+        REGB1 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:214 */
+        REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
+        /* ./syntax//typing.nit:1081 */
+        if (UNTAG_Bool(REGB1)) {
+          /* ./syntax//typing.nit:1082 */
+          REGB1 = TAG_Int(5);
+          fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB1);
+          if (!once_value_8) {
+            fra.me.REG[3] = BOX_NativeString("Error: Conflicting contructors named ");
+            REGB1 = TAG_Int(37);
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+            once_value_8 = fra.me.REG[3];
+            register_static_object(&once_value_8);
+          } else fra.me.REG[3] = once_value_8;
+          fra.me.REG[3] = fra.me.REG[3];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+          fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+          fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[3])(fra.me.REG[3]);
+          fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+          if (!once_value_9) {
+            fra.me.REG[3] = BOX_NativeString(" in superclasses: ");
+            REGB1 = TAG_Int(18);
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+            once_value_9 = fra.me.REG[3];
+            register_static_object(&once_value_9);
+          } else fra.me.REG[3] = once_value_9;
+          fra.me.REG[3] = fra.me.REG[3];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+          if (!once_value_10) {
+            fra.me.REG[3] = BOX_NativeString(", ");
+            REGB1 = TAG_Int(2);
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+            once_value_10 = fra.me.REG[3];
+            register_static_object(&once_value_10);
+          } else fra.me.REG[3] = once_value_10;
+          fra.me.REG[3] = fra.me.REG[3];
+          fra.me.REG[3] = CALL_string___Collection___join(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+          if (!once_value_11) {
+            fra.me.REG[3] = BOX_NativeString(".");
+            REGB1 = TAG_Int(1);
+            fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+            once_value_11 = fra.me.REG[3];
+            register_static_object(&once_value_11);
+          } else fra.me.REG[3] = once_value_11;
+          fra.me.REG[3] = fra.me.REG[3];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+          fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+          CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[5]);
+          /* ./syntax//typing.nit:1083 */
+          goto label7;
         }
       }
-      /* Register variable[5]: Local variable */
-      /* Register variable[6]: Result */
-      variable[6] = CALL_abstract_collection___Collection___first( variable[4] /*base_precs*/)( variable[4] /*base_precs*/) /*IndexedCollectionRead::first*/;
-      variable[5] = variable[6];
-      /* Register variable[6]: Result */
-      variable[6] = TAG_Bool(( variable[5] /*p*/==NIT_NULL) || VAL_ISA( variable[5] /*p*/, COLOR_MMMethod, ID_MMMethod)) /*cast MMMethod*/;
-      if (!UNTAG_Bool(variable[6])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_typing___ASuperExpr___after_typing, LOCATE_typing, 908); nit_exit(1);}
-      ATTR_typing___ASuperExpr____init_in_superclass(variable[0]) /*ASuperExpr::_init_in_superclass*/ =  variable[5] /*p*/;
-      CALL_typing___ASuperInitCall___register_super_init_call(variable[0])(variable[0],  variable[1] /*v*/,  variable[5] /*p*/) /*ASuperInitCall::register_super_init_call*/;
-      /* Register variable[6]: Result */
-      variable[6] = CALL_parser_nodes___ASuperExpr___n_args(variable[0])(variable[0]) /*ASuperExpr::n_args*/;
-      /* Register variable[6]: Result */
-      variable[6] = CALL_abstract_collection___Collection___length(variable[6])(variable[6]) /*List::length*/;
-      /* Register variable[6]: Result */
-      variable[6] = TAG_Bool(UNTAG_Int(variable[6])>UNTAG_Int( TAG_Int(0)));
-      if (UNTAG_Bool(variable[6])) { /*if*/
-        /* Register variable[6]: Local variable */
-        /* Register variable[7]: Result */
-        variable[7] = CALL_typing___TypingVisitor___self_var( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::self_var*/;
-        /* Register variable[7]: Result */
-        variable[7] = CALL_syntax_base___Variable___stype(variable[7])(variable[7]) /*Variable::stype*/;
-        /* Register variable[7]: Result */
-        variable[7] = CALL_typing___AAbsSendExpr___get_signature(variable[0])(variable[0],  variable[1] /*v*/, variable[7],  variable[5] /*p*/,  TAG_Bool(true)) /*AAbsSendExpr::get_signature*/;
-        variable[6] = variable[7];
-        /* Register variable[7]: Result */
-        variable[7] = CALL_abstractmetamodel___MMLocalProperty___name( variable[5] /*p*/)( variable[5] /*p*/) /*MMLocalProperty::name*/;
-        /* Register variable[8]: Result */
-        variable[8] = CALL_parser_nodes___ASuperExpr___n_args(variable[0])(variable[0]) /*ASuperExpr::n_args*/;
-        /* Register variable[8]: Result */
-        variable[8] = CALL_array___Collection___to_a(variable[8])(variable[8]) /*Collection::to_a*/;
-        /* Register variable[7]: Result */
-        variable[7] = CALL_typing___AAbsAbsSendExpr___process_signature(variable[0])(variable[0],  variable[1] /*v*/,  variable[6] /*signature*/, variable[7], variable[8]) /*AAbsAbsSendExpr::process_signature*/;
-        ATTR_typing___AAbsAbsSendExpr____arguments(variable[0]) /*AAbsAbsSendExpr::_arguments*/ = variable[7];
+      /* ./syntax//typing.nit:1085 */
+      fra.me.REG[4] = CALL_abstract_collection___Collection___first(fra.me.REG[4])(fra.me.REG[4]);
+      /* ./syntax//typing.nit:1086 */
+      REGB1 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_MMMethod, ID_MMMethod)) /*cast MMMethod*/;
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Assert failed", NULL, LOCATE_typing, 1086);
       }
-    } else { /*if*/
-      variable[4] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[5]: Once String constant */
-      if (once_value_163 != NIT_NULL) variable[5] = once_value_163;
-      else {
-        variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: No super method to call for "), TAG_Int(35)) /*new String*/;
-        once_value_163 = variable[5];
+      /* ./syntax//typing.nit:1087 */
+      ATTR_typing___ASuperExpr____init_in_superclass(fra.me.REG[0]) = fra.me.REG[4];
+      /* ./syntax//typing.nit:1088 */
+      CALL_typing___ASuperInitCall___register_super_init_call(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[4]);
+      /* ./syntax//typing.nit:1089 */
+      fra.me.REG[5] = CALL_parser_nodes___ASuperExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+      REGB1 = CALL_abstract_collection___Collection___length(fra.me.REG[5])(fra.me.REG[5]);
+      REGB0 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:214 */
+      REGB0 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB0));
+      /* ./syntax//typing.nit:1089 */
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:1090 */
+        fra.me.REG[5] = CALL_typing___TypingVisitor___self_var(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[5] = CALL_syntax_base___Variable___stype(fra.me.REG[5])(fra.me.REG[5]);
+        REGB0 = TAG_Bool((fra.me.REG[5]!=NIT_NULL) && VAL_ISA(fra.me.REG[5], COLOR_MMType, ID_MMType)) /*cast MMType*/;
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_typing, 1090);
+        }
+        REGB0 = TAG_Bool(true);
+        fra.me.REG[5] = CALL_typing___AAbsSendExpr___get_signature(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[5], fra.me.REG[4], REGB0);
+        /* ./syntax//typing.nit:1091 */
+        fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[4])(fra.me.REG[4]);
+        fra.me.REG[3] = CALL_typing___AAbsAbsSendExpr___compute_raw_arguments(fra.me.REG[0])(fra.me.REG[0]);
+        CALL_typing___AAbsAbsSendExpr___process_signature(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[5], fra.me.REG[4], fra.me.REG[3]);
       }
-      /* Register variable[5]: Result */
-      /* Ensure var variable[5]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-      /* Register variable[5]: Result */
-      variable[5] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-      /* Ensure var variable[5]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[5]: Once String constant */
-      if (once_value_164 != NIT_NULL) variable[5] = once_value_164;
-      else {
-        variable[5] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-        once_value_164 = variable[5];
+    } else {
+      /* ./syntax//typing.nit:1094 */
+      REGB0 = TAG_Int(3);
+      fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
+      if (!once_value_12) {
+        fra.me.REG[4] = BOX_NativeString("Error: No super method to call for ");
+        REGB0 = TAG_Int(35);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+        once_value_12 = fra.me.REG[4];
+        register_static_object(&once_value_12);
+      } else fra.me.REG[4] = once_value_12;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[4] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      if (!once_value_13) {
+        fra.me.REG[4] = BOX_NativeString(".");
+        REGB0 = TAG_Int(1);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+        once_value_13 = fra.me.REG[4];
+        register_static_object(&once_value_13);
+      } else fra.me.REG[4] = once_value_13;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+      /* ./syntax//typing.nit:1095 */
+      goto label7;
+    }
+  }
+  /* ./syntax//typing.nit:1098 */
+  fra.me.REG[3] = CALL_abstract_collection___Collection___first(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[4] = CALL_typing___TypingVisitor___self_var(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[4] = CALL_syntax_base___Variable___stype(fra.me.REG[4])(fra.me.REG[4]);
+  REGB0 = TAG_Bool((fra.me.REG[4]!=NIT_NULL) && VAL_ISA(fra.me.REG[4], COLOR_MMType, ID_MMType)) /*cast MMType*/;
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1098);
+  }
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 1098);
+  }
+  fra.me.REG[4] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+  fra.me.REG[4] = CALL_static_type___MMSignature___return_type(fra.me.REG[4])(fra.me.REG[4]);
+  REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1099 */
+    fra.me.REG[4] = NEW_Array_array___Array___init();
+    /* ./syntax//typing.nit:1100 */
+    fra.me.REG[3] = NIT_NULL;
+    /* ./../lib/standard//collection//array.nit:234 */
+    REGB0 = TAG_Int(0);
+    /* ./../lib/standard//collection//array.nit:235 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+    /* ./../lib/standard//collection//array.nit:236 */
+    fra.me.REG[5] = ATTR_array___Array____items(fra.me.REG[2]);
+    /* ./../lib/standard//collection//array.nit:237 */
+    while(1) {
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[2])!=NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
       }
-      /* Register variable[5]: Result */
-      /* Ensure var variable[5]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-      /* Register variable[4]: Result */
-      variable[4] = CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-      goto return_label152;
-    }
-  }
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstract_collection___Collection___first( variable[3] /*precs*/)( variable[3] /*precs*/) /*IndexedCollectionRead::first*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___self_var( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::self_var*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___Variable___stype(variable[5])(variable[5]) /*Variable::stype*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMLocalProperty___signature_for(variable[4])(variable[4], variable[5]) /*MMLocalProperty::signature_for*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMSignature___return_type(variable[4])(variable[4]) /*MMSignature::return_type*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Local variable */
-    /* Register variable[5]: Result */
-    variable[5] = NEW_Array_array___Array___init() /*new Array[MMType]*/;
-    variable[4] = variable[5];
-    /* Register variable[5]: Local variable */
-    variable[5] =  NIT_NULL /*null*/;
-    /* Register variable[6]: For iterator */
-    variable[6] = CALL_abstract_collection___Collection___iterator( variable[3] /*precs*/)( variable[3] /*precs*/) /*AbstractArrayRead::iterator*/;
-    while (true) { /*for*/
-      /* Register variable[7]: For 'is_ok' result */
-      variable[7] = CALL_abstract_collection___Iterator___is_ok(variable[6])(variable[6]) /*ArrayIterator::is_ok*/;
-      if (!UNTAG_Bool(variable[7])) break; /*for*/
-      variable[7] = CALL_abstract_collection___Iterator___item(variable[6])(variable[6]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
-      /* Register variable[8]: Local variable */
-      variable[8] = variable[7];
-      /* Register variable[9]: Result */
-      variable[9] = TAG_Bool(( variable[8] /*prop*/==NIT_NULL) || VAL_ISA( variable[8] /*prop*/, COLOR_MMMethod, ID_MMMethod)) /*cast MMMethod*/;
-      if (!UNTAG_Bool(variable[9])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_typing___ASuperExpr___after_typing, LOCATE_typing, 924); nit_exit(1);}
-      /* Register variable[9]: Local variable */
-      /* Register variable[10]: Result */
-      variable[10] = CALL_typing___TypingVisitor___self_var( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::self_var*/;
-      /* Register variable[10]: Result */
-      variable[10] = CALL_syntax_base___Variable___stype(variable[10])(variable[10]) /*Variable::stype*/;
-      /* Register variable[10]: Result */
-      variable[10] = CALL_static_type___MMLocalProperty___signature_for( variable[8] /*prop*/)( variable[8] /*prop*/, variable[10]) /*MMLocalProperty::signature_for*/;
-      /* Register variable[10]: Result */
-      variable[10] = CALL_static_type___MMSignature___return_type(variable[10])(variable[10]) /*MMSignature::return_type*/;
-      /* Register variable[11]: Result */
-      variable[11] = CALL_syntax_base___AbsSyntaxVisitor___module( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::module*/;
-      /* Register variable[10]: Result */
-      variable[10] = CALL_static_type___MMType___for_module(variable[10])(variable[10], variable[11]) /*MMType::for_module*/;
-      /* Register variable[11]: Result */
-      variable[11] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-      /* Register variable[11]: Result */
-      variable[11] = CALL_static_type___MMLocalProperty___signature(variable[11])(variable[11]) /*MMLocalProperty::signature*/;
-      /* Register variable[11]: Result */
-      variable[11] = CALL_static_type___MMSignature___recv(variable[11])(variable[11]) /*MMSignature::recv*/;
-      /* Register variable[10]: Result */
-      variable[10] = CALL_static_type___MMType___adapt_to(variable[10])(variable[10], variable[11]) /*MMType::adapt_to*/;
-      variable[9] = variable[10];
-      CALL_abstract_collection___SimpleCollection___add( variable[4] /*stypes*/)( variable[4] /*stypes*/,  variable[9] /*t*/) /*AbstractArray::add*/;
-      /* Register variable[10]: Result */
-      variable[10] = TAG_Bool(( variable[5] /*stype*/ ==  NIT_NULL /*null*/) || (( variable[5] /*stype*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[5] /*stype*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[5] /*stype*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[5] /*stype*/)( variable[5] /*stype*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-      /* Ensure var variable[10]: Left 'or' operand*/
-      if (!UNTAG_Bool(variable[10])) { /* or */
-        /* Register variable[10]: Result */
-        variable[10] = CALL_static_type___MMType_____l( variable[5] /*stype*/)( variable[5] /*stype*/,  variable[9] /*t*/) /*MMType::<*/;
+      REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[2]);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:237 */
+      if (UNTAG_Bool(REGB1)) {
+        /* ./../lib/standard//collection//array.nit:238 */
+        REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[6] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB0)];
+        /* ./syntax//typing.nit:1102 */
+        REGB1 = TAG_Bool(VAL_ISA(fra.me.REG[6], COLOR_MMMethod, ID_MMMethod)) /*cast MMMethod*/;
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          nit_abort("Assert failed", NULL, LOCATE_typing, 1102);
+        }
+        /* ./syntax//typing.nit:1103 */
+        fra.me.REG[7] = CALL_typing___TypingVisitor___self_var(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[7] = CALL_syntax_base___Variable___stype(fra.me.REG[7])(fra.me.REG[7]);
+        REGB1 = TAG_Bool((fra.me.REG[7]!=NIT_NULL) && VAL_ISA(fra.me.REG[7], COLOR_MMType, ID_MMType)) /*cast MMType*/;
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_typing, 1103);
+        }
+        fra.me.REG[7] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+        fra.me.REG[7] = CALL_static_type___MMSignature___return_type(fra.me.REG[7])(fra.me.REG[7]);
+        fra.me.REG[6] = CALL_syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+        REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          nit_abort("Reciever is null", NULL, LOCATE_typing, 1103);
+        }
+        fra.me.REG[6] = CALL_static_type___MMType___for_module(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[6]);
+        fra.me.REG[7] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+        fra.me.REG[7] = CALL_static_type___MMLocalProperty___signature(fra.me.REG[7])(fra.me.REG[7]);
+        REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          nit_abort("Reciever is null", NULL, LOCATE_typing, 1103);
+        }
+        fra.me.REG[7] = CALL_static_type___MMSignature___recv(fra.me.REG[7])(fra.me.REG[7]);
+        fra.me.REG[7] = CALL_static_type___MMType___adapt_to(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+        /* ./syntax//typing.nit:1104 */
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[7]);
+        /* ./syntax//typing.nit:1105 */
+        REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+            REGB2 = TAG_Bool(false);
+            REGB1 = REGB2;
+          } else {
+            REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+            REGB1 = REGB2;
+          }
+        }
+        if (UNTAG_Bool(REGB1)) {
+          REGB1 = TAG_Bool(true);
+        } else {
+          REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+            nit_abort("Reciever is null", NULL, LOCATE_typing, 1105);
+          }
+          REGB2 = CALL_static_type___MMType_____l(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[7]);
+          REGB1 = REGB2;
+        }
+        if (UNTAG_Bool(REGB1)) {
+          /* ./syntax//typing.nit:1106 */
+          fra.me.REG[3] = fra.me.REG[7];
+        }
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB1 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB0 = REGB1;
+      } else {
+        /* ./../lib/standard//collection//array.nit:237 */
+        goto label14;
       }
-      /* Register variable[10]: Result */
-      if (UNTAG_Bool(variable[10])) { /*if*/
-        variable[5] =  variable[9] /*t*/ /*stype=*/;
+    }
+    label14: while(0);
+    /* ./../lib/standard//collection//array.nit:234 */
+    REGB0 = TAG_Int(0);
+    /* ./../lib/standard//collection//array.nit:235 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+    /* ./../lib/standard//collection//array.nit:236 */
+    fra.me.REG[5] = ATTR_array___Array____items(fra.me.REG[4]);
+    /* ./../lib/standard//collection//array.nit:237 */
+    while(1) {
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
       }
-      continue_165: while(0);
-      CALL_abstract_collection___Iterator___next(variable[6])(variable[6]) /*ArrayIterator::next*/;
-    }
-    break_165: while(0);
-    /* Register variable[6]: For iterator */
-    variable[6] = CALL_abstract_collection___Collection___iterator( variable[4] /*stypes*/)( variable[4] /*stypes*/) /*AbstractArrayRead::iterator*/;
-    while (true) { /*for*/
-      /* Register variable[7]: For 'is_ok' result */
-      variable[7] = CALL_abstract_collection___Iterator___is_ok(variable[6])(variable[6]) /*ArrayIterator::is_ok*/;
-      if (!UNTAG_Bool(variable[7])) break; /*for*/
-      variable[7] = CALL_abstract_collection___Iterator___item(variable[6])(variable[6]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
-      /* Register variable[8]: Local variable */
-      variable[8] = variable[7];
-      CALL_syntax_base___AbsSyntaxVisitor___check_conform( variable[1] /*v*/)( variable[1] /*v*/, variable[0],  variable[8] /*t*/,  variable[5] /*stype*/) /*AbsSyntaxVisitor::check_conform*/;
-      continue_166: while(0);
-      CALL_abstract_collection___Iterator___next(variable[6])(variable[6]) /*ArrayIterator::next*/;
-    }
-    break_166: while(0);
-    ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ =  variable[5] /*stype*/;
-  }
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool(( variable[4] /*p*/==NIT_NULL) || VAL_ISA( variable[4] /*p*/, COLOR_MMSrcMethod, ID_MMSrcMethod)) /*cast MMSrcMethod*/;
-  if (!UNTAG_Bool(variable[5])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_typing___ASuperExpr___after_typing, LOCATE_typing, 937); nit_exit(1);}
-  ATTR_typing___AAbsSendExpr____prop(variable[0]) /*AAbsSendExpr::_prop*/ =  variable[4] /*p*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label152: while(false);
-  tracehead = trace.prev;
+      REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+      /* ./../lib/standard//kernel.nit:212 */
+      REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+      /* ./../lib/standard//collection//array.nit:237 */
+      if (UNTAG_Bool(REGB1)) {
+        /* ./../lib/standard//collection//array.nit:238 */
+        REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+        }
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[2] = ((Nit_NativeArray)fra.me.REG[5])->val[UNTAG_Int(REGB0)];
+        /* ./syntax//typing.nit:1110 */
+        REGB1 = TAG_Bool(fra.me.REG[3]!=NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          nit_abort("Cast failed", NULL, LOCATE_typing, 1110);
+        }
+        CALL_syntax_base___AbsSyntaxVisitor___check_conform(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2], fra.me.REG[3]);
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB1 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+        /* ./../lib/standard//collection//array.nit:239 */
+        REGB0 = REGB1;
+      } else {
+        /* ./../lib/standard//collection//array.nit:237 */
+        goto label15;
+      }
+    }
+    label15: while(0);
+    /* ./syntax//typing.nit:1112 */
+    ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[3];
+  }
+  /* ./syntax//typing.nit:1114 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:1115 */
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMSrcMethod, ID_MMSrcMethod)) /*cast MMSrcMethod*/;
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Assert failed", NULL, LOCATE_typing, 1115);
+  }
+  /* ./syntax//typing.nit:1116 */
+  ATTR_typing___AAbsSendExpr____prop(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:1117 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label7: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ASuperExpr___init_in_superclass(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 884, LOCATE_typing___ASuperExpr___init_in_superclass};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___ASuperExpr____init_in_superclass( self) /*ASuperExpr::_init_in_superclass*/;
-}
-val_t typing___AAttrFormExpr___prop(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 944, LOCATE_typing___AAttrFormExpr___prop};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AAttrFormExpr____prop( self) /*AAttrFormExpr::_prop*/;
-}
-val_t typing___AAttrFormExpr___attr_type(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 947, LOCATE_typing___AAttrFormExpr___attr_type};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AAttrFormExpr____attr_type( self) /*AAttrFormExpr::_attr_type*/;
-}
-void typing___AAttrFormExpr___do_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 950, LOCATE_typing___AAttrFormExpr___do_typing};
-    static val_t once_value_168 = NIT_NULL; /* Once value for string variable[7]*/
-    static val_t once_value_169 = NIT_NULL; /* Once value for string variable[7]*/
-    static val_t once_value_170 = NIT_NULL; /* Once value for string variable[7]*/
-    static val_t once_value_171 = NIT_NULL; /* Once value for string variable[8]*/
-    static val_t once_value_172 = NIT_NULL; /* Once value for string variable[8]*/
-    static val_t once_value_173 = NIT_NULL; /* Once value for string variable[8]*/
-    static val_t once_value_174 = NIT_NULL; /* Once value for string variable[8]*/
-  val_t variable[9];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAttrFormExpr___n_expr(variable[0])(variable[0]) /*AAttrFormExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___check_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*AbsSyntaxVisitor::check_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    goto return_label167;
-  }
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAttrFormExpr___n_expr(variable[0])(variable[0]) /*AAttrFormExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___PExpr___stype(variable[4])(variable[4]) /*PExpr::stype*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AAttrFormExpr___n_id(variable[0])(variable[0]) /*AAttrFormExpr::n_id*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___Token___to_symbol(variable[5])(variable[5]) /*Token::to_symbol*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_static_type___MMType___local_class( variable[3] /*type_recv*/)( variable[3] /*type_recv*/) /*MMType::local_class*/;
-  variable[5] = variable[6];
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstractmetamodel___MMLocalClass___has_global_property_by_name( variable[5] /*lc*/)( variable[5] /*lc*/,  variable[4] /*name*/) /*MMLocalClass::has_global_property_by_name*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[6])))) { /*if*/
-    variable[6] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[7]: Once String constant */
-    if (once_value_168 != NIT_NULL) variable[7] = once_value_168;
-    else {
-      variable[7] = NEW_String_string___String___with_native(BOX_NativeString("Error: Attribute "), TAG_Int(17)) /*new String*/;
-      once_value_168 = variable[7];
-    }
-    /* Register variable[7]: Result */
-    /* Ensure var variable[7]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], variable[7]) /*AbstractArray::add*/;
-    variable[7] =  variable[4] /*name*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[7]: Once String constant */
-    if (once_value_169 != NIT_NULL) variable[7] = once_value_169;
-    else {
-      variable[7] = NEW_String_string___String___with_native(BOX_NativeString(" doesn't exists in "), TAG_Int(19)) /*new String*/;
-      once_value_169 = variable[7];
-    }
-    /* Register variable[7]: Result */
-    /* Ensure var variable[7]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], variable[7]) /*AbstractArray::add*/;
-    variable[7] =  variable[3] /*type_recv*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[7]: Once String constant */
-    if (once_value_170 != NIT_NULL) variable[7] = once_value_170;
-    else {
-      variable[7] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-      once_value_170 = variable[7];
-    }
-    /* Register variable[7]: Result */
-    /* Ensure var variable[7]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[6])(variable[6], variable[7]) /*AbstractArray::add*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[6]) /*AbsSyntaxVisitor::error*/;
-    goto return_label167;
-  }
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstractmetamodel___MMLocalClass___select_attribute( variable[5] /*lc*/)( variable[5] /*lc*/,  variable[4] /*name*/) /*MMLocalClass::select_attribute*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___AbsSyntaxVisitor___module( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::module*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_abstractmetamodel___MMLocalProperty___global( variable[6] /*prop*/)( variable[6] /*prop*/) /*MMLocalProperty::global*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_abstractmetamodel___MMGlobalProperty___local_class(variable[8])(variable[8]) /*MMGlobalProperty::local_class*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_abstractmetamodel___MMLocalClass___module(variable[8])(variable[8]) /*MMLocalClass::module*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstractmetamodel___MMModule___visibility_for(variable[7])(variable[7], variable[8]) /*MMModule::visibility_for*/;
-  /* Register variable[7]: Result */
-  variable[7] = TAG_Bool(UNTAG_Int(variable[7])<UNTAG_Int( TAG_Int(3)));
-  if (UNTAG_Bool(variable[7])) { /*if*/
-    variable[7] = NEW_Array_array___Array___with_capacity(TAG_Int(7)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[8]: Once String constant */
-    if (once_value_171 != NIT_NULL) variable[8] = once_value_171;
-    else {
-      variable[8] = NEW_String_string___String___with_native(BOX_NativeString("Error: Attribute "), TAG_Int(17)) /*new String*/;
-      once_value_171 = variable[8];
-    }
-    /* Register variable[8]: Result */
-    /* Ensure var variable[8]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-    variable[8] =  variable[4] /*name*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[8]: Once String constant */
-    if (once_value_172 != NIT_NULL) variable[8] = once_value_172;
-    else {
-      variable[8] = NEW_String_string___String___with_native(BOX_NativeString(" from "), TAG_Int(6)) /*new String*/;
-      once_value_172 = variable[8];
-    }
-    /* Register variable[8]: Result */
-    /* Ensure var variable[8]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_abstractmetamodel___MMLocalProperty___global( variable[6] /*prop*/)( variable[6] /*prop*/) /*MMLocalProperty::global*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_abstractmetamodel___MMGlobalProperty___local_class(variable[8])(variable[8]) /*MMGlobalProperty::local_class*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_abstractmetamodel___MMLocalClass___module(variable[8])(variable[8]) /*MMLocalClass::module*/;
-    /* Ensure var variable[8]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[8]: Once String constant */
-    if (once_value_173 != NIT_NULL) variable[8] = once_value_173;
-    else {
-      variable[8] = NEW_String_string___String___with_native(BOX_NativeString(" is invisible in "), TAG_Int(17)) /*new String*/;
-      once_value_173 = variable[8];
-    }
-    /* Register variable[8]: Result */
-    /* Ensure var variable[8]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_syntax_base___AbsSyntaxVisitor___module( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::module*/;
-    /* Ensure var variable[8]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[8]: Once String constant */
-    if (once_value_174 != NIT_NULL) variable[8] = once_value_174;
-    else {
-      variable[8] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-      once_value_174 = variable[8];
-    }
-    /* Register variable[8]: Result */
-    /* Ensure var variable[8]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::error*/;
-  }
-  ATTR_typing___AAttrFormExpr____prop(variable[0]) /*AAttrFormExpr::_prop*/ =  variable[6] /*prop*/;
-  /* Register variable[7]: Local variable */
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMLocalProperty___signature_for( variable[6] /*prop*/)( variable[6] /*prop*/,  variable[3] /*type_recv*/) /*MMLocalProperty::signature_for*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMSignature___return_type(variable[8])(variable[8]) /*MMSignature::return_type*/;
-  variable[7] = variable[8];
-  /* Register variable[8]: Result */
-  variable[8] = CALL_parser_nodes___AAttrFormExpr___n_expr(variable[0])(variable[0]) /*AAttrFormExpr::n_expr*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_typing___PExpr___is_self(variable[8])(variable[8]) /*PExpr::is_self*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[8])))) { /*if*/
-    /* Register variable[8]: Result */
-    variable[8] = CALL_static_type___MMType___not_for_self( variable[7] /*at*/)( variable[7] /*at*/) /*MMType::not_for_self*/;
-    variable[7] = variable[8] /*at=*/;
-  }
-  ATTR_typing___AAttrFormExpr____attr_type(variable[0]) /*AAttrFormExpr::_attr_type*/ =  variable[7] /*at*/;
-  return_label167: while(false);
-  tracehead = trace.prev;
+val_t typing___AAttrFormExpr___prop(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1122;
+  fra.me.meth = LOCATE_typing___AAttrFormExpr___prop;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1122 */
+  fra.me.REG[0] = ATTR_typing___AAttrFormExpr____prop(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1122);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AAttrFormExpr___attr_type(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1125;
+  fra.me.meth = LOCATE_typing___AAttrFormExpr___attr_type;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1125 */
+  fra.me.REG[0] = ATTR_typing___AAttrFormExpr____attr_type(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1125);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AAttrFormExpr___do_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+    static val_t once_value_4; /* Once value */
+    static val_t once_value_5; /* Once value */
+    static val_t once_value_6; /* Once value */
+    static val_t once_value_7; /* Once value */
+    static val_t once_value_8; /* Once value */
+    static val_t once_value_9; /* Once value */
+    static val_t once_value_10; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1128;
+  fra.me.meth = LOCATE_typing___AAttrFormExpr___do_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 7;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1131 */
+  fra.me.REG[2] = CALL_parser_nodes___AAttrFormExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1132 */
+  fra.me.REG[2] = CALL_parser_nodes___AAttrFormExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1133 */
+  fra.me.REG[3] = CALL_parser_nodes___AAttrFormExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___Token___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:1134 */
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1135 */
+    REGB0 = TAG_Int(3);
+    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_2) {
+      fra.me.REG[5] = BOX_NativeString("Error: Attribute '");
+      REGB0 = TAG_Int(18);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+      once_value_2 = fra.me.REG[5];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[5] = once_value_2;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    if (!once_value_3) {
+      fra.me.REG[5] = BOX_NativeString("' access on 'null'.");
+      REGB0 = TAG_Int(19);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+      once_value_3 = fra.me.REG[5];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[5] = once_value_3;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+    /* ./syntax//typing.nit:1136 */
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1138 */
+  fra.me.REG[4] = CALL_static_type___MMType___local_class(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1139 */
+  REGB0 = CALL_abstractmetamodel___MMLocalClass___has_global_property_by_name(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1140 */
+    REGB0 = TAG_Int(5);
+    fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_4) {
+      fra.me.REG[6] = BOX_NativeString("Error: Attribute ");
+      REGB0 = TAG_Int(17);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
+      once_value_4 = fra.me.REG[6];
+      register_static_object(&once_value_4);
+    } else fra.me.REG[6] = once_value_4;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    if (!once_value_5) {
+      fra.me.REG[6] = BOX_NativeString(" doesn't exists in ");
+      REGB0 = TAG_Int(19);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
+      once_value_5 = fra.me.REG[6];
+      register_static_object(&once_value_5);
+    } else fra.me.REG[6] = once_value_5;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    if (!once_value_6) {
+      fra.me.REG[6] = BOX_NativeString(".");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
+      once_value_6 = fra.me.REG[6];
+      register_static_object(&once_value_6);
+    } else fra.me.REG[6] = once_value_6;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[5]);
+    /* ./syntax//typing.nit:1141 */
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1143 */
+  fra.me.REG[4] = CALL_abstractmetamodel___MMLocalClass___select_attribute(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+  /* ./syntax//typing.nit:1144 */
+  fra.me.REG[5] = CALL_syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[6] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[4])(fra.me.REG[4]);
+  fra.me.REG[6] = CALL_abstractmetamodel___MMGlobalProperty___local_class(fra.me.REG[6])(fra.me.REG[6]);
+  fra.me.REG[6] = CALL_abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[6])(fra.me.REG[6]);
+  REGB0 = CALL_abstractmetamodel___MMModule___visibility_for(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+  REGB1 = TAG_Int(3);
+  /* ./../lib/standard//kernel.nit:212 */
+  REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+  /* ./syntax//typing.nit:1144 */
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:1145 */
+    REGB1 = TAG_Int(7);
+    fra.me.REG[6] = NEW_Array_array___Array___with_capacity(REGB1);
+    if (!once_value_7) {
+      fra.me.REG[5] = BOX_NativeString("Error: Attribute ");
+      REGB1 = TAG_Int(17);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+      once_value_7 = fra.me.REG[5];
+      register_static_object(&once_value_7);
+    } else fra.me.REG[5] = once_value_7;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[5]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+    if (!once_value_8) {
+      fra.me.REG[3] = BOX_NativeString(" from ");
+      REGB1 = TAG_Int(6);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+      once_value_8 = fra.me.REG[3];
+      register_static_object(&once_value_8);
+    } else fra.me.REG[3] = once_value_8;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+    fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[4])(fra.me.REG[4]);
+    fra.me.REG[3] = CALL_abstractmetamodel___MMGlobalProperty___local_class(fra.me.REG[3])(fra.me.REG[3]);
+    fra.me.REG[3] = CALL_abstractmetamodel___MMLocalClass___mmmodule(fra.me.REG[3])(fra.me.REG[3]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+    if (!once_value_9) {
+      fra.me.REG[3] = BOX_NativeString(" is invisible in ");
+      REGB1 = TAG_Int(17);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+      once_value_9 = fra.me.REG[3];
+      register_static_object(&once_value_9);
+    } else fra.me.REG[3] = once_value_9;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+    fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+    if (!once_value_10) {
+      fra.me.REG[3] = BOX_NativeString("");
+      REGB1 = TAG_Int(0);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+      once_value_10 = fra.me.REG[3];
+      register_static_object(&once_value_10);
+    } else fra.me.REG[3] = once_value_10;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+    fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[6]);
+  }
+  /* ./syntax//typing.nit:1147 */
+  ATTR_typing___AAttrFormExpr____prop(fra.me.REG[0]) = fra.me.REG[4];
+  /* ./syntax//typing.nit:1148 */
+  fra.me.REG[2] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[2]);
+  fra.me.REG[2] = CALL_static_type___MMSignature___return_type(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1149 */
+  fra.me.REG[4] = CALL_parser_nodes___AAttrFormExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_typing___AExpr___is_self(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 1149);
+    }
+    fra.me.REG[4] = CALL_static_type___MMType___not_for_self(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = fra.me.REG[4];
+  }
+  /* ./syntax//typing.nit:1150 */
+  ATTR_typing___AAttrFormExpr____attr_type(fra.me.REG[0]) = fra.me.REG[2];
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AAttrExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 973, LOCATE_typing___AAttrExpr___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_typing___AAttrFormExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/) /*AAttrFormExpr::do_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAttrFormExpr___prop(variable[0])(variable[0]) /*AAttrFormExpr::prop*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    goto return_label175;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAttrFormExpr___attr_type(variable[0])(variable[0]) /*AAttrFormExpr::attr_type*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label175: while(false);
-  tracehead = trace.prev;
+void typing___AAttrExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1155;
+  fra.me.meth = LOCATE_typing___AAttrExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1157 */
+  CALL_typing___AAttrFormExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1158 */
+  fra.me.REG[1] = ATTR_typing___AAttrFormExpr____prop(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1159 */
+  fra.me.REG[1] = CALL_syntax_base___AAttrFormExpr___attr_type(fra.me.REG[0])(fra.me.REG[0]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:1160 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AAttrAssignExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 983, LOCATE_typing___AAttrAssignExpr___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_typing___AAttrFormExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/) /*AAttrFormExpr::do_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAttrFormExpr___prop(variable[0])(variable[0]) /*AAttrFormExpr::prop*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    goto return_label176;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAssignFormExpr___n_value(variable[0])(variable[0]) /*AAssignFormExpr::n_value*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___AAttrFormExpr___attr_type(variable[0])(variable[0]) /*AAttrFormExpr::attr_type*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3], variable[4]) /*AbsSyntaxVisitor::check_conform_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    goto return_label176;
-  }
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label176: while(false);
-  tracehead = trace.prev;
+void typing___AAttrAssignExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1165;
+  fra.me.meth = LOCATE_typing___AAttrAssignExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1167 */
+  CALL_typing___AAttrFormExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1168 */
+  fra.me.REG[2] = ATTR_typing___AAttrFormExpr____prop(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1169 */
+  fra.me.REG[2] = CALL_parser_nodes___AAssignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AAttrFormExpr___attr_type(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1170 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AAttrReassignExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 993, LOCATE_typing___AAttrReassignExpr___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_typing___AAttrFormExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/) /*AAttrFormExpr::do_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAttrFormExpr___prop(variable[0])(variable[0]) /*AAttrFormExpr::prop*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    goto return_label177;
-  }
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___AAttrFormExpr___attr_type(variable[0])(variable[0]) /*AAttrFormExpr::attr_type*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___AReassignFormExpr___do_rvalue_typing(variable[0])(variable[0],  variable[1] /*v*/, variable[4]) /*AReassignFormExpr::do_rvalue_typing*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(( variable[3] /*t*/ ==  NIT_NULL /*null*/) || (( variable[3] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*t*/)( variable[3] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    goto return_label177;
-  }
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AReassignFormExpr___n_value(variable[0])(variable[0]) /*AReassignFormExpr::n_value*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___PExpr___stype(variable[4])(variable[4]) /*PExpr::stype*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform( variable[1] /*v*/)( variable[1] /*v*/, variable[0],  variable[3] /*t*/, variable[4]) /*AbsSyntaxVisitor::check_conform*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label177: while(false);
-  tracehead = trace.prev;
+void typing___AAttrReassignExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1175;
+  fra.me.meth = LOCATE_typing___AAttrReassignExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1177 */
+  CALL_typing___AAttrFormExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1178 */
+  fra.me.REG[2] = ATTR_typing___AAttrFormExpr____prop(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1179 */
+  fra.me.REG[2] = CALL_syntax_base___AAttrFormExpr___attr_type(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_typing___AReassignFormExpr___do_rvalue_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2]);
+  /* ./syntax//typing.nit:1180 */
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1181 */
+  fra.me.REG[3] = CALL_parser_nodes___AReassignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AExpr___stype(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:1182 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AIssetAttrExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1005, LOCATE_typing___AIssetAttrExpr___after_typing};
-    static val_t once_value_179 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_typing___AAttrFormExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/) /*AAttrFormExpr::do_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAttrFormExpr___prop(variable[0])(variable[0]) /*AAttrFormExpr::prop*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    goto return_label178;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAttrFormExpr___attr_type(variable[0])(variable[0]) /*AAttrFormExpr::attr_type*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_static_type___MMType___is_nullable(variable[3])(variable[3]) /*MMType::is_nullable*/;
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Once String constant */
-    if (once_value_179 != NIT_NULL) variable[3] = once_value_179;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString("Error: isset on a nullable attribute."), TAG_Int(37)) /*new String*/;
-      once_value_179 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::error*/;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label178: while(false);
-  tracehead = trace.prev;
+void typing___AIssetAttrExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1187;
+  fra.me.meth = LOCATE_typing___AIssetAttrExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1189 */
+  CALL_typing___AAttrFormExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1190 */
+  fra.me.REG[2] = ATTR_typing___AAttrFormExpr____prop(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1191 */
+  fra.me.REG[2] = CALL_syntax_base___AAttrFormExpr___attr_type(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[2])(fra.me.REG[2]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1192 */
+    if (!once_value_2) {
+      fra.me.REG[2] = BOX_NativeString("Error: isset on a nullable attribute.");
+      REGB0 = TAG_Int(37);
+      fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+      once_value_2 = fra.me.REG[2];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[2] = once_value_2;
+    fra.me.REG[2] = fra.me.REG[2];
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2]);
+  }
+  /* ./syntax//typing.nit:1194 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:1195 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AAbsAbsSendExpr___prop_signature(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1019, LOCATE_typing___AAbsAbsSendExpr___prop_signature};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AAbsAbsSendExpr____prop_signature( self) /*AAbsAbsSendExpr::_prop_signature*/;
-}
-val_t typing___AAbsAbsSendExpr___arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1022, LOCATE_typing___AAbsAbsSendExpr___arguments};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AAbsAbsSendExpr____arguments( self) /*AAbsAbsSendExpr::_arguments*/;
-}
-val_t typing___AAbsAbsSendExpr___process_signature(val_t  self, val_t  param0, val_t  param1, val_t  param2, val_t  param3) {
-  struct trace_t trace = {NULL, NULL, 1025, LOCATE_typing___AAbsAbsSendExpr___process_signature};
-    static val_t once_value_181 = NIT_NULL; /* Once value for string variable[10]*/
-    static val_t once_value_182 = NIT_NULL; /* Once value for string variable[10]*/
-  val_t variable[24];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Local variable */
-  variable[3] =  param2;
-  /* Register variable[4]: Local variable */
-  variable[4] =  param3;
-  /* Register variable[5]: Method return value and escape marker */
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_vararg___MMSignature___vararg_rank( variable[2] /*psig*/)( variable[2] /*psig*/) /*MMSignature::vararg_rank*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Local variable */
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMSignature___arity( variable[2] /*psig*/)( variable[2] /*psig*/) /*MMSignature::arity*/;
-  variable[7] = variable[8];
-  /* Register variable[8]: Local variable */
-  /*variable[8] is variable raw_arity*/
-  /* Register variable[9]: Result */
-  variable[9] = TAG_Bool(( variable[4] /*raw_args*/ ==  NIT_NULL /*null*/) || (( variable[4] /*raw_args*/ != NIT_NULL) && UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*raw_args*/)( variable[4] /*raw_args*/,  NIT_NULL /*null*/) /*AbstractArrayRead::==*/)));
-  if (UNTAG_Bool(variable[9])) { /*if*/
-    variable[8] =  TAG_Int(0) /*raw_arity=*/;
-  } else { /*if*/
-    /* Register variable[9]: Result */
-    variable[9] = CALL_abstract_collection___Collection___length( variable[4] /*raw_args*/)( variable[4] /*raw_args*/) /*AbstractArrayRead::length*/;
-    variable[8] = variable[9] /*raw_arity=*/;
-  }
-  /* Register variable[9]: Result */
-  variable[9] = TAG_Bool(UNTAG_Int( variable[7] /*par_arity*/)>UNTAG_Int( variable[8] /*raw_arity*/));
-  /* Ensure var variable[9]: Left 'or' operand*/
-  if (!UNTAG_Bool(variable[9])) { /* or */
-    /* Register variable[9]: Result */
-    variable[9] = TAG_Bool(( variable[7] /*par_arity*/)!=( variable[8] /*raw_arity*/));
-    /* Ensure var variable[9]: Left 'and' operand*/
-    if (UNTAG_Bool(variable[9])) { /* and */
-      /* Register variable[9]: Result */
-      variable[9] = TAG_Int(-UNTAG_Int( TAG_Int(1)));
-      /* Register variable[9]: Result */
-      variable[9] = TAG_Bool(( variable[6] /*par_vararg*/)==(variable[9]));
-    }
-    /* Register variable[9]: Result */
-  }
-  /* Register variable[9]: Result */
-  if (UNTAG_Bool(variable[9])) { /*if*/
-    variable[9] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[10]: Once String constant */
-    if (once_value_181 != NIT_NULL) variable[10] = once_value_181;
-    else {
-      variable[10] = NEW_String_string___String___with_native(BOX_NativeString("Error: '"), TAG_Int(8)) /*new String*/;
-      once_value_181 = variable[10];
-    }
-    /* Register variable[10]: Result */
-    /* Ensure var variable[10]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-    variable[10] =  variable[3] /*name*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[10]: Once String constant */
-    if (once_value_182 != NIT_NULL) variable[10] = once_value_182;
-    else {
-      variable[10] = NEW_String_string___String___with_native(BOX_NativeString("' arity missmatch."), TAG_Int(18)) /*new String*/;
-      once_value_182 = variable[10];
-    }
-    /* Register variable[10]: Result */
-    /* Ensure var variable[10]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-    /* Register variable[9]: Result */
-    variable[9] = CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[9]) /*AbsSyntaxVisitor::error*/;
-    variable[5] =  NIT_NULL /*null*/;
-    goto return_label180;
-  }
-  /* Register variable[9]: Local variable */
-  variable[9] =  TAG_Int(0);
-  /* Register variable[10]: Local variable */
-  /* Register variable[11]: Result */
-  variable[11] = NEW_Array_array___Array___init() /*new Array[PExpr]*/;
-  variable[10] = variable[11];
-  /* Register variable[11]: Result */
-  variable[11] = NEW_Range_range___Range___without_last( TAG_Int(0),  variable[7] /*par_arity*/) /*new Range[Int]*/;
-  /* Register variable[11]: For iterator */
-  variable[11] = CALL_abstract_collection___Collection___iterator(variable[11])(variable[11]) /*Range::iterator*/;
-  while (true) { /*for*/
-    /* Register variable[12]: For 'is_ok' result */
-    variable[12] = CALL_abstract_collection___Iterator___is_ok(variable[11])(variable[11]) /*Iterator::is_ok*/;
-    if (!UNTAG_Bool(variable[12])) break; /*for*/
-    variable[12] = CALL_abstract_collection___Iterator___item(variable[11])(variable[11]) /*Iterator::item*/ /* Ensure var: For item*/;
-    /* Register variable[13]: Local variable */
-    variable[13] = variable[12];
-    /* Register variable[14]: Local variable */
-    /*variable[14] is variable a*/
-    /* Register variable[15]: Local variable */
-    /* Register variable[16]: Result */
-    variable[16] = CALL_static_type___MMSignature_____bra( variable[2] /*psig*/)( variable[2] /*psig*/,  variable[13] /*par_idx*/) /*MMSignature::[]*/;
-    variable[15] = variable[16];
-    /* Register variable[16]: Result */
-    variable[16] = TAG_Bool(( variable[13] /*par_idx*/)==( variable[6] /*par_vararg*/));
-    if (UNTAG_Bool(variable[16])) { /*if*/
-      /* Register variable[16]: Local variable */
-      /* Register variable[17]: Result */
-      variable[17] = NEW_Array_array___Array___init() /*new Array[PExpr]*/;
-      variable[16] = variable[17];
-      /* Register variable[17]: Result */
-      variable[17] = TAG_Int(UNTAG_Int( variable[8] /*raw_arity*/)-UNTAG_Int( variable[7] /*par_arity*/));
-      /* Register variable[17]: Result */
-      variable[17] = NEW_Range_range___Range___init( TAG_Int(0), variable[17]) /*new Range[Int]*/;
-      /* Register variable[17]: For iterator */
-      variable[17] = CALL_abstract_collection___Collection___iterator(variable[17])(variable[17]) /*Range::iterator*/;
-      while (true) { /*for*/
-        /* Register variable[18]: For 'is_ok' result */
-        variable[18] = CALL_abstract_collection___Iterator___is_ok(variable[17])(variable[17]) /*Iterator::is_ok*/;
-        if (!UNTAG_Bool(variable[18])) break; /*for*/
-        variable[18] = CALL_abstract_collection___Iterator___item(variable[17])(variable[17]) /*Iterator::item*/ /* Ensure var: For item*/;
-        /* Register variable[19]: Local variable */
-        variable[19] = variable[18];
-        /* Register variable[20]: Local variable */
-        variable[20] =  variable[4] /*raw_args*/;
-        /* Register variable[21]: Local variable */
-        variable[21] =  variable[9] /*arg_idx*/;
-        /* Register variable[22]: Method return value and escape marker */
-        /* Register variable[23]: Result */
-        variable[23] = TAG_Bool(UNTAG_Int( variable[21] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-        /* Ensure var variable[23]: Left 'and' operand*/
-        if (UNTAG_Bool(variable[23])) { /* and */
-          /* Register variable[23]: Result */
-          variable[23] = ATTR_array___AbstractArrayRead____length(variable[20]) /*AbstractArrayRead::_length*/;
-          /* Register variable[23]: Result */
-          variable[23] = TAG_Bool(UNTAG_Int( variable[21] /*index*/)<UNTAG_Int(variable[23]));
+val_t typing___AAbsAbsSendExpr___prop_signature(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1200;
+  fra.me.meth = LOCATE_typing___AAbsAbsSendExpr___prop_signature;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1201 */
+  fra.me.REG[0] = ATTR_typing___AAbsAbsSendExpr____prop_signature(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1201);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AAbsAbsSendExpr___raw_arguments(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1204;
+  fra.me.meth = LOCATE_typing___AAbsAbsSendExpr___raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1207 */
+  fra.me.REG[1] = ATTR_typing___AAbsAbsSendExpr____raw_arguments_cache(fra.me.REG[0]);
+  /* ./syntax//typing.nit:1208 */
+  REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1209 */
+    fra.me.REG[2] = fra.me.REG[1];
+    goto label1;
+  } else {
+    /* ./syntax//typing.nit:1211 */
+    fra.me.REG[3] = CALL_typing___AAbsAbsSendExpr___compute_raw_arguments(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[1] = fra.me.REG[3];
+    /* ./syntax//typing.nit:1212 */
+    REGB0 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[1]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[1])(fra.me.REG[1], NIT_NULL);
+        REGB0 = REGB1;
+      }
+    }
+    if (UNTAG_Bool(REGB0)) {
+      fra.me.REG[3] = NEW_Array_array___Array___init();
+      fra.me.REG[1] = fra.me.REG[3];
+    }
+    /* ./syntax//typing.nit:1213 */
+    ATTR_typing___AAbsAbsSendExpr____raw_arguments_cache(fra.me.REG[0]) = fra.me.REG[1];
+    /* ./syntax//typing.nit:1214 */
+    fra.me.REG[2] = fra.me.REG[1];
+    goto label1;
+  }
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[2];
+}
+val_t typing___AAbsAbsSendExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1220;
+  fra.me.meth = LOCATE_typing___AAbsAbsSendExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1222 */
+  REGB0 = TAG_Int(3);
+  fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
+  if (!once_value_1) {
+    fra.me.REG[2] = BOX_NativeString("");
+    REGB0 = TAG_Int(0);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_1 = fra.me.REG[2];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[2] = once_value_1;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[2] = CALL_parser_nodes___ANode___location(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  if (!once_value_2) {
+    fra.me.REG[2] = BOX_NativeString(" no compute_raw_arguments");
+    REGB0 = TAG_Int(25);
+    fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+    once_value_2 = fra.me.REG[2];
+    register_static_object(&once_value_2);
+  } else fra.me.REG[2] = once_value_2;
+  fra.me.REG[2] = fra.me.REG[2];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  fra.me.REG[1] = CALL_string___Object___to_s(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_file___Object___print(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1223 */
+  fra.me.REG[1] = NIT_NULL;
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t typing___AAbsAbsSendExpr___process_signature(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4){
+  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t REGB4;
+  val_t REGB5;
+  val_t REGB6;
+  val_t REGB7;
+  val_t REGB8;
+  val_t REGB9;
+  val_t REGB10;
+  val_t REGB11;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1226;
+  fra.me.meth = LOCATE_typing___AAbsAbsSendExpr___process_signature;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 7;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  fra.me.REG[3] = p3;
+  fra.me.REG[4] = p4;
+  /* ./syntax//typing.nit:1229 */
+  REGB0 = CALL_vararg___MMSignature___vararg_rank(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1230 */
+  REGB1 = CALL_static_type___MMSignature___arity(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1232 */
+  REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    REGB3 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB3)) {
+      REGB3 = TAG_Bool(false);
+      REGB2 = REGB3;
+    } else {
+      REGB3 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB2 = REGB3;
+    }
+  }
+  if (UNTAG_Bool(REGB2)) {
+    REGB2 = TAG_Int(0);
+  } else {
+    REGB3 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB3)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 1232);
+    }
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+    if (UNTAG_Bool(REGB3)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+    /* ./syntax//typing.nit:1232 */
+    REGB2 = REGB3;
+  }
+  /* ./../lib/standard//kernel.nit:214 */
+  REGB3 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
+  /* ./syntax//typing.nit:1233 */
+  if (UNTAG_Bool(REGB3)) {
+    REGB3 = TAG_Bool(true);
+  } else {
+    REGB4 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
+    if (UNTAG_Bool(REGB4)) {
+    } else {
+      /* ./../lib/standard//kernel.nit:207 */
+      REGB5 = TAG_Bool((REGB1)==(REGB2));
+      /* ./syntax//typing.nit:1233 */
+      REGB4 = REGB5;
+    }
+    REGB4 = TAG_Bool(!UNTAG_Bool(REGB4));
+    if (UNTAG_Bool(REGB4)) {
+      REGB4 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:216 */
+      REGB4 = TAG_Int(-UNTAG_Int(REGB4));
+      /* ./syntax//typing.nit:1233 */
+      REGB5 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB4));
+      if (UNTAG_Bool(REGB5)) {
+      } else {
+        /* ./../lib/standard//kernel.nit:207 */
+        REGB4 = TAG_Bool((REGB0)==(REGB4));
+        /* ./syntax//typing.nit:1233 */
+        REGB5 = REGB4;
+      }
+    } else {
+      REGB4 = TAG_Bool(false);
+      REGB5 = REGB4;
+    }
+    REGB3 = REGB5;
+  }
+  if (UNTAG_Bool(REGB3)) {
+    /* ./syntax//typing.nit:1234 */
+    REGB3 = TAG_Int(5);
+    fra.me.REG[5] = NEW_Array_array___Array___with_capacity(REGB3);
+    if (!once_value_1) {
+      fra.me.REG[6] = BOX_NativeString("Error: arity missmatch; prototype is '");
+      REGB3 = TAG_Int(38);
+      fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB3);
+      once_value_1 = fra.me.REG[6];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[6] = once_value_1;
+    fra.me.REG[6] = fra.me.REG[6];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[6]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+    if (!once_value_2) {
+      fra.me.REG[3] = BOX_NativeString("");
+      REGB3 = TAG_Int(0);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB3);
+      once_value_2 = fra.me.REG[3];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[3] = once_value_2;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+    if (!once_value_3) {
+      fra.me.REG[3] = BOX_NativeString("'.");
+      REGB3 = TAG_Int(2);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB3);
+      once_value_3 = fra.me.REG[3];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[3] = once_value_3;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+    fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[5]);
+    /* ./syntax//typing.nit:1235 */
+    REGB3 = TAG_Bool(false);
+    goto label4;
+  }
+  /* ./syntax//typing.nit:1237 */
+  REGB5 = TAG_Int(0);
+  /* ./syntax//typing.nit:1238 */
+  REGB4 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:327 */
+  REGB6 = REGB1;
+  /* ./../lib/standard//kernel.nit:332 */
+  while(1) {
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB7 = TAG_Bool(UNTAG_Int(REGB4)<UNTAG_Int(REGB6));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB7)) {
+      /* ./syntax//typing.nit:1238 */
+      REGB7 = REGB4;
+      /* ./syntax//typing.nit:1240 */
+      fra.me.REG[5] = CALL_static_type___MMSignature_____bra(fra.me.REG[2])(fra.me.REG[2], REGB7);
+      /* ./syntax//typing.nit:1241 */
+      REGB8 = TAG_Bool(IS_EQUAL_OO(REGB7,REGB0));
+      if (UNTAG_Bool(REGB8)) {
+      } else {
+        /* ./../lib/standard//kernel.nit:207 */
+        REGB7 = TAG_Bool((REGB7)==(REGB0));
+        /* ./syntax//typing.nit:1241 */
+        REGB8 = REGB7;
+      }
+      if (UNTAG_Bool(REGB8)) {
+        /* ./syntax//typing.nit:1242 */
+        REGB8 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:217 */
+        REGB7 = TAG_Int(UNTAG_Int(REGB2)-UNTAG_Int(REGB1));
+        /* ./../lib/standard//kernel.nit:321 */
+        while(1) {
+          /* ./../lib/standard//kernel.nit:211 */
+          REGB9 = TAG_Bool(UNTAG_Int(REGB8)<=UNTAG_Int(REGB7));
+          /* ./../lib/standard//kernel.nit:321 */
+          if (UNTAG_Bool(REGB9)) {
+            /* ./syntax//typing.nit:1243 */
+            REGB9 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+            if (UNTAG_Bool(REGB9)) {
+              nit_abort("Reciever is null", NULL, LOCATE_typing, 1243);
+            }
+            /* ./../lib/standard//collection//array.nit:243 */
+            fra.me.REG[0] = fra.me.REG[4];
+            REGB9 = REGB5;
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB10 = TAG_Int(0);
+            /* ./../lib/standard//kernel.nit:213 */
+            REGB10 = TAG_Bool(UNTAG_Int(REGB9)>=UNTAG_Int(REGB10));
+            /* ./../lib/standard//collection//array.nit:245 */
+            if (UNTAG_Bool(REGB10)) {
+              REGB10 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[0])!=NIT_NULL);
+              if (UNTAG_Bool(REGB10)) {
+              } else {
+		nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+              }
+              REGB10 = ATTR_array___AbstractArrayRead____length(fra.me.REG[0]);
+              /* ./../lib/standard//kernel.nit:212 */
+              REGB10 = TAG_Bool(UNTAG_Int(REGB9)<UNTAG_Int(REGB10));
+            } else {
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB11 = TAG_Bool(false);
+              REGB10 = REGB11;
+            }
+            if (UNTAG_Bool(REGB10)) {
+            } else {
+              nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+            }
+            /* ./../lib/standard//collection//array.nit:246 */
+            fra.me.REG[0] = ATTR_array___Array____items(fra.me.REG[0]);
+            REGB10 = TAG_Bool(fra.me.REG[0]==NIT_NULL);
+            if (UNTAG_Bool(REGB10)) {
+              nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+            }
+            /* ./../lib/standard//collection//array.nit:654 */
+            fra.me.REG[0] = ((Nit_NativeArray)fra.me.REG[0])->val[UNTAG_Int(REGB9)];
+            /* ./../lib/standard//collection//array.nit:246 */
+            goto label5;
+            label5: while(0);
+            /* ./syntax//typing.nit:1244 */
+            CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[5]);
+            /* ./syntax//typing.nit:1245 */
+            REGB9 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB9 = TAG_Int(UNTAG_Int(REGB5)+UNTAG_Int(REGB9));
+            /* ./syntax//typing.nit:1245 */
+            REGB5 = REGB9;
+            /* ./../lib/standard//kernel.nit:323 */
+            REGB9 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB9 = TAG_Int(UNTAG_Int(REGB8)+UNTAG_Int(REGB9));
+            /* ./../lib/standard//kernel.nit:323 */
+            REGB8 = REGB9;
+          } else {
+            /* ./../lib/standard//kernel.nit:321 */
+            goto label6;
+          }
+        }
+        label6: while(0);
+      } else {
+        /* ./syntax//typing.nit:1248 */
+        REGB8 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+        if (UNTAG_Bool(REGB8)) {
+          nit_abort("Reciever is null", NULL, LOCATE_typing, 1248);
+        }
+        /* ./../lib/standard//collection//array.nit:243 */
+        fra.me.REG[3] = fra.me.REG[4];
+        REGB8 = REGB5;
+        /* ./../lib/standard//collection//array.nit:245 */
+        REGB7 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:213 */
+        REGB7 = TAG_Bool(UNTAG_Int(REGB8)>=UNTAG_Int(REGB7));
+        /* ./../lib/standard//collection//array.nit:245 */
+        if (UNTAG_Bool(REGB7)) {
+          REGB7 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[3])!=NIT_NULL);
+          if (UNTAG_Bool(REGB7)) {
+          } else {
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+          }
+          REGB7 = ATTR_array___AbstractArrayRead____length(fra.me.REG[3]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB7 = TAG_Bool(UNTAG_Int(REGB8)<UNTAG_Int(REGB7));
+        } else {
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB9 = TAG_Bool(false);
+          REGB7 = REGB9;
+        }
+        if (UNTAG_Bool(REGB7)) {
+        } else {
+          nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+        }
+        /* ./../lib/standard//collection//array.nit:246 */
+        fra.me.REG[3] = ATTR_array___Array____items(fra.me.REG[3]);
+        REGB7 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+        if (UNTAG_Bool(REGB7)) {
+          nit_abort("Reciever is null", NULL, LOCATE_array, 246);
         }
-        /* Register variable[23]: Result */
-        if (!UNTAG_Bool(variable[23])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_typing, 234); nit_exit(1);}
-        /* Register variable[23]: Result */
-        variable[23] = ATTR_array___Array____items(variable[20]) /*Array::_items*/;
-        /* Register variable[23]: Result */
-        variable[23] = UNBOX_NativeArray(variable[23])[UNTAG_Int( variable[21] /*index*/)];
-        variable[22] = variable[23];
-        goto return_label185;
-        return_label185: while(false);
-        /* Register variable[20]: Result */
-        variable[20] = variable[22];
-        variable[14] = variable[20] /*a=*/;
-        CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/,  variable[14] /*a*/,  variable[15] /*par_type*/) /*AbsSyntaxVisitor::check_conform_expr*/;
-        CALL_abstract_collection___SimpleCollection___add( variable[16] /*star*/)( variable[16] /*star*/,  variable[14] /*a*/) /*AbstractArray::add*/;
-        /* Register variable[20]: Result */
-        variable[20] = TAG_Int(UNTAG_Int( variable[9] /*arg_idx*/)+UNTAG_Int( TAG_Int(1)));
-        variable[9] = variable[20] /*arg_idx=*/;
-        continue_184: while(0);
-        CALL_abstract_collection___Iterator___next(variable[17])(variable[17]) /*Iterator::next*/;
+        /* ./../lib/standard//collection//array.nit:654 */
+        fra.me.REG[3] = ((Nit_NativeArray)fra.me.REG[3])->val[UNTAG_Int(REGB8)];
+        /* ./../lib/standard//collection//array.nit:246 */
+        goto label7;
+        label7: while(0);
+        /* ./syntax//typing.nit:1248 */
+        fra.me.REG[0] = fra.me.REG[3];
+        /* ./syntax//typing.nit:1249 */
+        CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[5]);
+        /* ./syntax//typing.nit:1250 */
+        REGB8 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB8 = TAG_Int(UNTAG_Int(REGB5)+UNTAG_Int(REGB8));
+        /* ./syntax//typing.nit:1250 */
+        REGB5 = REGB8;
       }
-      break_184: while(0);
-      /* Register variable[17]: Local variable */
-      /* Register variable[18]: Result */
-      variable[18] = NEW_AArrayExpr_parser_prod___AArrayExpr___init_aarrayexpr( variable[16] /*star*/) /*new AArrayExpr*/;
-      variable[17] = variable[18];
-      CALL_typing___AArrayExpr___do_typing( variable[17] /*aa*/)( variable[17] /*aa*/,  variable[1] /*v*/,  variable[15] /*par_type*/) /*AArrayExpr::do_typing*/;
-      variable[14] =  variable[17] /*aa*/ /*a=*/;
-    } else { /*if*/
-      /* Register variable[16]: Local variable */
-      variable[16] =  variable[4] /*raw_args*/;
-      /* Register variable[17]: Local variable */
-      variable[17] =  variable[9] /*arg_idx*/;
-      /* Register variable[18]: Method return value and escape marker */
-      /* Register variable[19]: Result */
-      variable[19] = TAG_Bool(UNTAG_Int( variable[17] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-      /* Ensure var variable[19]: Left 'and' operand*/
-      if (UNTAG_Bool(variable[19])) { /* and */
-        /* Register variable[19]: Result */
-        variable[19] = ATTR_array___AbstractArrayRead____length(variable[16]) /*AbstractArrayRead::_length*/;
-        /* Register variable[19]: Result */
-        variable[19] = TAG_Bool(UNTAG_Int( variable[17] /*index*/)<UNTAG_Int(variable[19]));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB8 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB8 = TAG_Int(UNTAG_Int(REGB4)+UNTAG_Int(REGB8));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB4 = REGB8;
+    } else {
+      /* ./../lib/standard//kernel.nit:332 */
+      goto label8;
+    }
+  }
+  label8: while(0);
+  /* ./syntax//typing.nit:1253 */
+  REGB4 = TAG_Bool(true);
+  REGB3 = REGB4;
+  goto label4;
+  label4: while(0);
+  stack_frame_head = fra.me.prev;
+  return REGB3;
+}
+val_t typing___AAbsAbsSendExpr___process_closures(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4){
+  struct {struct stack_frame_t me; val_t MORE_REG[16];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t REGB4;
+  val_t REGB5;
+  val_t tmp;
+      static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+      static val_t once_value_4; /* Once value */
+        static val_t once_value_5; /* Once value */
+        static val_t once_value_6; /* Once value */
+        static val_t once_value_7; /* Once value */
+        static val_t once_value_8; /* Once value */
+		static val_t once_value_11; /* Once value */
+		static val_t once_value_12; /* Once value */
+		static val_t once_value_13; /* Once value */
+		static val_t once_value_14; /* Once value */
+		static val_t once_value_15; /* Once value */
+		static val_t once_value_16; /* Once value */
+		static val_t once_value_18; /* Once value */
+		static val_t once_value_19; /* Once value */
+		static val_t once_value_20; /* Once value */
+		static val_t once_value_21; /* Once value */
+		static val_t once_value_22; /* Once value */
+      static val_t once_value_24; /* Once value */
+      static val_t once_value_25; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1256;
+  fra.me.meth = LOCATE_typing___AAbsAbsSendExpr___process_closures;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 17;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[9] = NIT_NULL;
+  fra.me.REG[10] = NIT_NULL;
+  fra.me.REG[11] = NIT_NULL;
+  fra.me.REG[12] = NIT_NULL;
+  fra.me.REG[13] = NIT_NULL;
+  fra.me.REG[14] = NIT_NULL;
+  fra.me.REG[15] = NIT_NULL;
+  fra.me.REG[16] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  fra.me.REG[3] = p3;
+  fra.me.REG[4] = p4;
+  /* ./syntax//typing.nit:1259 */
+  fra.me.REG[5] = CALL_static_type___MMSignature___return_type(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1260 */
+  fra.me.REG[6] = CALL_static_type___MMSignature___closures(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1261 */
+  REGB0 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:231 */
+  fra.me.REG[7] = fra.me.REG[6];
+  /* ./../lib/standard//collection//array.nit:234 */
+  REGB1 = TAG_Int(0);
+  /* ./../lib/standard//collection//array.nit:235 */
+  REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+  }
+  REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+  /* ./../lib/standard//collection//array.nit:236 */
+  fra.me.REG[8] = ATTR_array___Array____items(fra.me.REG[7]);
+  /* ./../lib/standard//collection//array.nit:237 */
+  while(1) {
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB2));
+    /* ./../lib/standard//collection//array.nit:237 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./../lib/standard//collection//array.nit:238 */
+      REGB2 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+        nit_abort("Reciever is null", NULL, LOCATE_array, 238);
       }
-      /* Register variable[19]: Result */
-      if (!UNTAG_Bool(variable[19])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_typing, 234); nit_exit(1);}
-      /* Register variable[19]: Result */
-      variable[19] = ATTR_array___Array____items(variable[16]) /*Array::_items*/;
-      /* Register variable[19]: Result */
-      variable[19] = UNBOX_NativeArray(variable[19])[UNTAG_Int( variable[17] /*index*/)];
-      variable[18] = variable[19];
-      goto return_label186;
-      return_label186: while(false);
-      /* Register variable[16]: Result */
-      variable[16] = variable[18];
-      variable[14] = variable[16] /*a=*/;
-      CALL_syntax_base___AbsSyntaxVisitor___check_conform_expr( variable[1] /*v*/)( variable[1] /*v*/,  variable[14] /*a*/,  variable[15] /*par_type*/) /*AbsSyntaxVisitor::check_conform_expr*/;
-      /* Register variable[16]: Result */
-      variable[16] = TAG_Int(UNTAG_Int( variable[9] /*arg_idx*/)+UNTAG_Int( TAG_Int(1)));
-      variable[9] = variable[16] /*arg_idx=*/;
-    }
-    CALL_abstract_collection___SimpleCollection___add( variable[10] /*args*/)( variable[10] /*args*/,  variable[14] /*a*/) /*AbstractArray::add*/;
-    continue_183: while(0);
-    CALL_abstract_collection___Iterator___next(variable[11])(variable[11]) /*Iterator::next*/;
-  }
-  break_183: while(0);
-  variable[5] =  variable[10] /*args*/;
-  goto return_label180;
-  return_label180: while(false);
-  tracehead = trace.prev;
-  return variable[5];
-}
-val_t typing___AAbsAbsSendExpr___process_closures(val_t  self, val_t  param0, val_t  param1, val_t  param2, val_t  param3) {
-  struct trace_t trace = {NULL, NULL, 1062, LOCATE_typing___AAbsAbsSendExpr___process_closures};
-      static val_t once_value_189 = NIT_NULL; /* Once value for string variable[10]*/
-      static val_t once_value_190 = NIT_NULL; /* Once value for string variable[10]*/
-        static val_t once_value_191 = NIT_NULL; /* Once value for string variable[10]*/
-        static val_t once_value_192 = NIT_NULL; /* Once value for string variable[10]*/
-        static val_t once_value_193 = NIT_NULL; /* Once value for string variable[10]*/
-        static val_t once_value_194 = NIT_NULL; /* Once value for string variable[10]*/
-      static val_t once_value_198 = NIT_NULL; /* Once value for string variable[10]*/
-      static val_t once_value_199 = NIT_NULL; /* Once value for string variable[10]*/
-      static val_t once_value_200 = NIT_NULL; /* Once value for string variable[10]*/
-  val_t variable[19];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Local variable */
-  variable[3] =  param2;
-  /* Register variable[4]: Local variable */
-  variable[4] =  param3;
-  /* Register variable[5]: Method return value and escape marker */
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_static_type___MMSignature___return_type( variable[2] /*psig*/)( variable[2] /*psig*/) /*MMSignature::return_type*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Local variable */
-  /* Register variable[8]: Result */
-  variable[8] = CALL_static_type___MMSignature___closures( variable[2] /*psig*/)( variable[2] /*psig*/) /*MMSignature::closures*/;
-  variable[7] = variable[8];
-  /* Register variable[8]: Local variable */
-  variable[8] =  TAG_Int(0);
-  /* Register variable[9]: For iterator */
-  variable[9] = CALL_abstract_collection___Collection___iterator( variable[7] /*cs*/)( variable[7] /*cs*/) /*AbstractArrayRead::iterator*/;
-  while (true) { /*for*/
-    /* Register variable[10]: For 'is_ok' result */
-    variable[10] = CALL_abstract_collection___Iterator___is_ok(variable[9])(variable[9]) /*ArrayIterator::is_ok*/;
-    if (!UNTAG_Bool(variable[10])) break; /*for*/
-    variable[10] = CALL_abstract_collection___Iterator___item(variable[9])(variable[9]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
-    /* Register variable[11]: Local variable */
-    variable[11] = variable[10];
-    /* Register variable[12]: Result */
-    variable[12] = CALL_static_type___MMClosure___is_optional( variable[11] /*c*/)( variable[11] /*c*/) /*MMClosure::is_optional*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[12])))) { /*if*/
-      variable[8] = TAG_Int(UNTAG_Int(variable[8])+UNTAG_Int( TAG_Int(1))) /*min_arity*/;
-    }
-    continue_188: while(0);
-    CALL_abstract_collection___Iterator___next(variable[9])(variable[9]) /*ArrayIterator::next*/;
-  }
-  break_188: while(0);
-  /* Register variable[9]: Result */
-  variable[9] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*cd*/ ==  NIT_NULL /*null*/) || (( variable[4] /*cd*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*cd*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*cd*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*cd*/)( variable[4] /*cd*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[9])) { /*if*/
-    /* Register variable[9]: Result */
-    variable[9] = CALL_abstract_collection___Collection___length( variable[7] /*cs*/)( variable[7] /*cs*/) /*AbstractArrayRead::length*/;
-    /* Register variable[9]: Result */
-    variable[9] = TAG_Bool((variable[9])==( TAG_Int(0)));
-    if (UNTAG_Bool(variable[9])) { /*if*/
-      variable[9] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_189 != NIT_NULL) variable[10] = once_value_189;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-        once_value_189 = variable[10];
+      /* ./../lib/standard//collection//array.nit:654 */
+      fra.me.REG[9] = ((Nit_NativeArray)fra.me.REG[8])->val[UNTAG_Int(REGB1)];
+      /* ./syntax//typing.nit:1263 */
+      REGB2 = CALL_static_type___MMClosure___is_optional(fra.me.REG[9])(fra.me.REG[9]);
+      REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Int(1);
+        /* ./../lib/standard//kernel.nit:215 */
+        REGB2 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB2));
+        /* ./syntax//typing.nit:1263 */
+        REGB0 = REGB2;
       }
-      /* Register variable[10]: Result */
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      variable[10] =  variable[3] /*name*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_190 != NIT_NULL) variable[10] = once_value_190;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString(" does not require blocks."), TAG_Int(25)) /*new String*/;
-        once_value_190 = variable[10];
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB2 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB2 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB2));
+      /* ./../lib/standard//collection//array.nit:239 */
+      REGB1 = REGB2;
+    } else {
+      /* ./../lib/standard//collection//array.nit:237 */
+      goto label1;
+    }
+  }
+  label1: while(0);
+  /* ./syntax//typing.nit:1265 */
+  REGB1 = TAG_Int(0);
+  /* ./syntax//typing.nit:1266 */
+  REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    REGB3 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB3)) {
+      REGB3 = TAG_Bool(false);
+      REGB2 = REGB3;
+    } else {
+      REGB3 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB2 = REGB3;
+    }
+  }
+  REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+  if (UNTAG_Bool(REGB2)) {
+    REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 1266);
+    }
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+    /* ./syntax//typing.nit:1266 */
+    REGB1 = REGB2;
+  }
+  /* ./../lib/standard//collection//array.nit:23 */
+  REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+  }
+  REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+  /* ./syntax//typing.nit:1267 */
+  REGB3 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:214 */
+  REGB3 = TAG_Bool(UNTAG_Int(REGB2)>UNTAG_Int(REGB3));
+  /* ./syntax//typing.nit:1267 */
+  if (UNTAG_Bool(REGB3)) {
+    /* ./syntax//typing.nit:1268 */
+    REGB3 = TAG_Int(0);
+    REGB2 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB3));
+    if (UNTAG_Bool(REGB2)) {
+    } else {
+      /* ./../lib/standard//kernel.nit:207 */
+      REGB3 = TAG_Bool((REGB1)==(REGB3));
+      /* ./syntax//typing.nit:1268 */
+      REGB2 = REGB3;
+    }
+    if (UNTAG_Bool(REGB2)) {
+      REGB2 = TAG_Int(0);
+      /* ./../lib/standard//kernel.nit:214 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB2));
+    } else {
+      /* ./syntax//typing.nit:1268 */
+      REGB3 = TAG_Bool(false);
+      REGB2 = REGB3;
+    }
+    if (UNTAG_Bool(REGB2)) {
+      /* ./syntax//typing.nit:1269 */
+      REGB2 = TAG_Int(5);
+      fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB2);
+      if (!once_value_2) {
+        fra.me.REG[7] = BOX_NativeString("Error: ");
+        REGB2 = TAG_Int(7);
+        fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+        once_value_2 = fra.me.REG[7];
+        register_static_object(&once_value_2);
+      } else fra.me.REG[7] = once_value_2;
+      fra.me.REG[7] = fra.me.REG[7];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+      fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+      if (!once_value_3) {
+        fra.me.REG[7] = BOX_NativeString(" requires ");
+        REGB2 = TAG_Int(10);
+        fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+        once_value_3 = fra.me.REG[7];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[7] = once_value_3;
+      fra.me.REG[7] = fra.me.REG[7];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+      }
+      REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+      /* ./syntax//typing.nit:1269 */
+      fra.me.REG[7] = CALL_string___Object___to_s(REGB2)(REGB2);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+      if (!once_value_4) {
+        fra.me.REG[7] = BOX_NativeString(" blocks.");
+        REGB2 = TAG_Int(8);
+        fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+        once_value_4 = fra.me.REG[7];
+        register_static_object(&once_value_4);
+      } else fra.me.REG[7] = once_value_4;
+      fra.me.REG[7] = fra.me.REG[7];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+      fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[8]);
+    } else {
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
       }
-      /* Register variable[10]: Result */
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      /* Register variable[9]: Result */
-      variable[9] = CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[9]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[9]: Result */
-      variable[9] = CALL_abstract_collection___Collection___length( variable[4] /*cd*/)( variable[4] /*cd*/) /*AbstractArrayRead::length*/;
-      /* Register variable[10]: Result */
-      variable[10] = CALL_abstract_collection___Collection___length( variable[7] /*cs*/)( variable[7] /*cs*/) /*AbstractArrayRead::length*/;
-      /* Register variable[9]: Result */
-      variable[9] = TAG_Bool(UNTAG_Int(variable[9])>UNTAG_Int(variable[10]));
-      /* Ensure var variable[9]: Left 'or' operand*/
-      if (!UNTAG_Bool(variable[9])) { /* or */
-        /* Register variable[9]: Result */
-        variable[9] = CALL_abstract_collection___Collection___length( variable[4] /*cd*/)( variable[4] /*cd*/) /*AbstractArrayRead::length*/;
-        /* Register variable[9]: Result */
-        variable[9] = TAG_Bool(UNTAG_Int(variable[9])<UNTAG_Int( variable[8] /*min_arity*/));
+      REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+      /* ./../lib/standard//kernel.nit:214 */
+      REGB2 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
+      /* ./syntax//typing.nit:1270 */
+      if (UNTAG_Bool(REGB2)) {
+        REGB2 = TAG_Bool(true);
+      } else {
+        /* ./../lib/standard//kernel.nit:212 */
+        REGB0 = TAG_Bool(UNTAG_Int(REGB1)<UNTAG_Int(REGB0));
+        /* ./syntax//typing.nit:1270 */
+        REGB2 = REGB0;
       }
-      /* Register variable[9]: Result */
-      if (UNTAG_Bool(variable[9])) { /*if*/
-        variable[9] = NEW_Array_array___Array___with_capacity(TAG_Int(7)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[10]: Once String constant */
-        if (once_value_191 != NIT_NULL) variable[10] = once_value_191;
-        else {
-          variable[10] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-          once_value_191 = variable[10];
+      if (UNTAG_Bool(REGB2)) {
+        /* ./syntax//typing.nit:1271 */
+        REGB2 = TAG_Int(7);
+        fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB2);
+        if (!once_value_5) {
+          fra.me.REG[7] = BOX_NativeString("Error: ");
+          REGB2 = TAG_Int(7);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_5 = fra.me.REG[7];
+          register_static_object(&once_value_5);
+        } else fra.me.REG[7] = once_value_5;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        if (!once_value_6) {
+          fra.me.REG[7] = BOX_NativeString(" requires ");
+          REGB2 = TAG_Int(10);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_6 = fra.me.REG[7];
+          register_static_object(&once_value_6);
+        } else fra.me.REG[7] = once_value_6;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        /* ./../lib/standard//collection//array.nit:23 */
+        REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
         }
-        /* Register variable[10]: Result */
-        /* Ensure var variable[10]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-        variable[10] =  variable[3] /*name*/ /* Ensure var: super-string element*/;
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[10]: Once String constant */
-        if (once_value_192 != NIT_NULL) variable[10] = once_value_192;
-        else {
-          variable[10] = NEW_String_string___String___with_native(BOX_NativeString(" requires "), TAG_Int(10)) /*new String*/;
-          once_value_192 = variable[10];
+        REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+        /* ./syntax//typing.nit:1271 */
+        fra.me.REG[7] = CALL_string___Object___to_s(REGB2)(REGB2);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        if (!once_value_7) {
+          fra.me.REG[7] = BOX_NativeString(" blocks, ");
+          REGB2 = TAG_Int(9);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_7 = fra.me.REG[7];
+          register_static_object(&once_value_7);
+        } else fra.me.REG[7] = once_value_7;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+          nit_abort("Reciever is null", NULL, LOCATE_typing, 1271);
         }
-        /* Register variable[10]: Result */
-        /* Ensure var variable[10]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-        /* Register variable[10]: Result */
-        variable[10] = CALL_abstract_collection___Collection___length( variable[7] /*cs*/)( variable[7] /*cs*/) /*AbstractArrayRead::length*/;
-        /* Ensure var variable[10]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[10]: Once String constant */
-        if (once_value_193 != NIT_NULL) variable[10] = once_value_193;
-        else {
-          variable[10] = NEW_String_string___String___with_native(BOX_NativeString(" blocks, "), TAG_Int(9)) /*new String*/;
-          once_value_193 = variable[10];
+        /* ./../lib/standard//collection//array.nit:23 */
+        REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[4])!=NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
         }
-        /* Register variable[10]: Result */
-        /* Ensure var variable[10]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-        /* Register variable[10]: Result */
-        variable[10] = CALL_abstract_collection___Collection___length( variable[4] /*cd*/)( variable[4] /*cd*/) /*AbstractArrayRead::length*/;
-        /* Ensure var variable[10]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[10]: Once String constant */
-        if (once_value_194 != NIT_NULL) variable[10] = once_value_194;
-        else {
-          variable[10] = NEW_String_string___String___with_native(BOX_NativeString(" found."), TAG_Int(7)) /*new String*/;
-          once_value_194 = variable[10];
+        REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[4]);
+        /* ./syntax//typing.nit:1271 */
+        fra.me.REG[7] = CALL_string___Object___to_s(REGB2)(REGB2);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        if (!once_value_8) {
+          fra.me.REG[7] = BOX_NativeString(" found.");
+          REGB2 = TAG_Int(7);
+          fra.me.REG[7] = NEW_String_string___String___with_native(fra.me.REG[7], REGB2);
+          once_value_8 = fra.me.REG[7];
+          register_static_object(&once_value_8);
+        } else fra.me.REG[7] = once_value_8;
+        fra.me.REG[7] = fra.me.REG[7];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[7]);
+        fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[8]);
+      } else {
+        /* ./syntax//typing.nit:1274 */
+        fra.me.REG[8] = NIT_NULL;
+        /* ./syntax//typing.nit:1275 */
+        REGB2 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+          if (UNTAG_Bool(REGB0)) {
+            REGB0 = TAG_Bool(false);
+            REGB2 = REGB0;
+          } else {
+            REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
+            REGB2 = REGB0;
+          }
         }
-        /* Register variable[10]: Result */
-        /* Ensure var variable[10]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-        /* Register variable[9]: Result */
-        variable[9] = CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/;
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[9]) /*AbsSyntaxVisitor::error*/;
-      } else { /*if*/
-        /* Register variable[9]: Local variable */
-        variable[9] =  NIT_NULL /*null*/;
-        /* Register variable[10]: Result */
-        variable[10] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[6] /*t*/ ==  NIT_NULL /*null*/) || (( variable[6] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[6] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[6] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[6] /*t*/)( variable[6] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-        if (UNTAG_Bool(variable[10])) { /*if*/
-          /* Register variable[10]: Result */
-          variable[10] = NEW_Array_array___Array___init() /*new Array[ABreakExpr]*/;
-          variable[9] = variable[10] /*break_list=*/;
+        REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+        if (UNTAG_Bool(REGB2)) {
+          fra.me.REG[7] = NEW_Array_array___Array___init();
+          fra.me.REG[8] = fra.me.REG[7];
         }
-        /* Register variable[10]: Result */
-        variable[10] = CALL_abstract_collection___Collection___length( variable[4] /*cd*/)( variable[4] /*cd*/) /*AbstractArrayRead::length*/;
-        /* Register variable[10]: Result */
-        variable[10] = NEW_Range_range___Range___without_last( TAG_Int(0), variable[10]) /*new Range[Int]*/;
-        /* Register variable[10]: For iterator */
-        variable[10] = CALL_abstract_collection___Collection___iterator(variable[10])(variable[10]) /*Range::iterator*/;
-        while (true) { /*for*/
-          /* Register variable[11]: For 'is_ok' result */
-          variable[11] = CALL_abstract_collection___Iterator___is_ok(variable[10])(variable[10]) /*Iterator::is_ok*/;
-          if (!UNTAG_Bool(variable[11])) break; /*for*/
-          variable[11] = CALL_abstract_collection___Iterator___item(variable[10])(variable[10]) /*Iterator::item*/ /* Ensure var: For item*/;
-          /* Register variable[12]: Local variable */
-          variable[12] = variable[11];
-          /* Register variable[13]: Local variable */
-          /* Register variable[14]: Local variable */
-          variable[14] =  variable[7] /*cs*/;
-          /* Register variable[15]: Local variable */
-          variable[15] =  variable[12] /*i*/;
-          /* Register variable[16]: Method return value and escape marker */
-          /* Register variable[17]: Result */
-          variable[17] = TAG_Bool(UNTAG_Int( variable[15] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-          /* Ensure var variable[17]: Left 'and' operand*/
-          if (UNTAG_Bool(variable[17])) { /* and */
-            /* Register variable[17]: Result */
-            variable[17] = ATTR_array___AbstractArrayRead____length(variable[14]) /*AbstractArrayRead::_length*/;
-            /* Register variable[17]: Result */
-            variable[17] = TAG_Bool(UNTAG_Int( variable[15] /*index*/)<UNTAG_Int(variable[17]));
+        /* ./syntax//typing.nit:1278 */
+        REGB2 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:214 */
+        REGB2 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
+        /* ./syntax//typing.nit:1278 */
+        if (UNTAG_Bool(REGB2)) {
+          REGB2 = TAG_Int(1);
+          /* ./../lib/standard//kernel.nit:217 */
+          REGB2 = TAG_Int(UNTAG_Int(REGB1)-UNTAG_Int(REGB2));
+          /* ./syntax//typing.nit:1278 */
+          REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+          if (UNTAG_Bool(REGB0)) {
+            nit_abort("Reciever is null", NULL, LOCATE_typing, 1278);
           }
-          /* Register variable[17]: Result */
-          if (!UNTAG_Bool(variable[17])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_typing, 234); nit_exit(1);}
-          /* Register variable[17]: Result */
-          variable[17] = ATTR_array___Array____items(variable[14]) /*Array::_items*/;
-          /* Register variable[17]: Result */
-          variable[17] = UNBOX_NativeArray(variable[17])[UNTAG_Int( variable[15] /*index*/)];
-          variable[16] = variable[17];
-          goto return_label196;
-          return_label196: while(false);
-          /* Register variable[14]: Result */
-          variable[14] = variable[16];
-          variable[13] = variable[14];
-          /* Register variable[14]: Local variable */
-          /* Register variable[15]: Local variable */
-          variable[15] =  variable[4] /*cd*/;
-          /* Register variable[16]: Local variable */
-          variable[16] =  variable[12] /*i*/;
-          /* Register variable[17]: Method return value and escape marker */
-          /* Register variable[18]: Result */
-          variable[18] = TAG_Bool(UNTAG_Int( variable[16] /*index*/)>=UNTAG_Int( TAG_Int(0)));
-          /* Ensure var variable[18]: Left 'and' operand*/
-          if (UNTAG_Bool(variable[18])) { /* and */
-            /* Register variable[18]: Result */
-            variable[18] = ATTR_array___AbstractArrayRead____length(variable[15]) /*AbstractArrayRead::_length*/;
-            /* Register variable[18]: Result */
-            variable[18] = TAG_Bool(UNTAG_Int( variable[16] /*index*/)<UNTAG_Int(variable[18]));
+          /* ./../lib/standard//collection//array.nit:243 */
+          fra.me.REG[7] = fra.me.REG[4];
+          /* ./../lib/standard//collection//array.nit:245 */
+          REGB0 = TAG_Int(0);
+          /* ./../lib/standard//kernel.nit:213 */
+          REGB0 = TAG_Bool(UNTAG_Int(REGB2)>=UNTAG_Int(REGB0));
+          /* ./../lib/standard//collection//array.nit:245 */
+          if (UNTAG_Bool(REGB0)) {
+            REGB0 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+            if (UNTAG_Bool(REGB0)) {
+            } else {
+              nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+            }
+            REGB0 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+            /* ./../lib/standard//kernel.nit:212 */
+            REGB0 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB0));
+          } else {
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB3 = TAG_Bool(false);
+            REGB0 = REGB3;
+          }
+          if (UNTAG_Bool(REGB0)) {
+          } else {
+            nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+          }
+          /* ./../lib/standard//collection//array.nit:246 */
+          fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[7]);
+          REGB0 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+          if (UNTAG_Bool(REGB0)) {
+            nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+          }
+          /* ./../lib/standard//collection//array.nit:654 */
+          fra.me.REG[7] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB2)];
+          /* ./../lib/standard//collection//array.nit:246 */
+          goto label9;
+          label9: while(0);
+          /* ./syntax//typing.nit:1278 */
+          REGB2 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+          if (UNTAG_Bool(REGB2)) {
+            nit_abort("Reciever is null", NULL, LOCATE_typing, 1278);
+          }
+          fra.me.REG[7] = CALL_parser_nodes___ALabelable___n_label(fra.me.REG[7])(fra.me.REG[7]);
+        } else {
+          fra.me.REG[7] = NIT_NULL;
+        }
+        /* ./syntax//typing.nit:1281 */
+        REGB2 = TAG_Int(0);
+        /* ./../lib/standard//kernel.nit:327 */
+        REGB0 = REGB1;
+        /* ./../lib/standard//kernel.nit:332 */
+        while(1) {
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB3 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB0));
+          /* ./../lib/standard//kernel.nit:332 */
+          if (UNTAG_Bool(REGB3)) {
+            /* ./syntax//typing.nit:1281 */
+            REGB3 = REGB2;
+            /* ./syntax//typing.nit:1282 */
+            REGB4 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+            if (UNTAG_Bool(REGB4)) {
+              nit_abort("Reciever is null", NULL, LOCATE_typing, 1282);
+            }
+            /* ./../lib/standard//collection//array.nit:243 */
+            fra.me.REG[9] = fra.me.REG[4];
+            /* ./../lib/standard//collection//array.nit:245 */
+            REGB4 = TAG_Int(0);
+            /* ./../lib/standard//kernel.nit:213 */
+            REGB4 = TAG_Bool(UNTAG_Int(REGB3)>=UNTAG_Int(REGB4));
+            /* ./../lib/standard//collection//array.nit:245 */
+            if (UNTAG_Bool(REGB4)) {
+              REGB4 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[9])!=NIT_NULL);
+              if (UNTAG_Bool(REGB4)) {
+              } else {
+		nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 245);
+              }
+              REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[9]);
+              /* ./../lib/standard//kernel.nit:212 */
+              REGB4 = TAG_Bool(UNTAG_Int(REGB3)<UNTAG_Int(REGB4));
+            } else {
+              /* ./../lib/standard//collection//array.nit:245 */
+              REGB5 = TAG_Bool(false);
+              REGB4 = REGB5;
+            }
+            if (UNTAG_Bool(REGB4)) {
+            } else {
+              nit_abort("Assert %s  failed", "'index'", LOCATE_array, 245);
+            }
+            /* ./../lib/standard//collection//array.nit:246 */
+            fra.me.REG[9] = ATTR_array___Array____items(fra.me.REG[9]);
+            REGB4 = TAG_Bool(fra.me.REG[9]==NIT_NULL);
+            if (UNTAG_Bool(REGB4)) {
+              nit_abort("Reciever is null", NULL, LOCATE_array, 246);
+            }
+            /* ./../lib/standard//collection//array.nit:654 */
+            fra.me.REG[9] = ((Nit_NativeArray)fra.me.REG[9])->val[UNTAG_Int(REGB3)];
+            /* ./../lib/standard//collection//array.nit:246 */
+            goto label10;
+            label10: while(0);
+            /* ./syntax//typing.nit:1283 */
+            fra.me.REG[10] = CALL_parser_nodes___AClosureDef___n_id(fra.me.REG[9])(fra.me.REG[9]);
+            fra.me.REG[10] = CALL_typing___AClosureId___to_symbol(fra.me.REG[10])(fra.me.REG[10]);
+            /* ./syntax//typing.nit:1284 */
+            fra.me.REG[11] = CALL_static_type___MMSignature___closure_named(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[10]);
+            /* ./syntax//typing.nit:1285 */
+            REGB3 = TAG_Bool(fra.me.REG[11]==NIT_NULL);
+            if (UNTAG_Bool(REGB3)) {
+            } else {
+              REGB4 = TAG_Bool(fra.me.REG[11]==NIT_NULL);
+              if (UNTAG_Bool(REGB4)) {
+		REGB4 = TAG_Bool(false);
+		REGB3 = REGB4;
+              } else {
+		REGB4 = CALL_kernel___Object_____eqeq(fra.me.REG[11])(fra.me.REG[11], NIT_NULL);
+		REGB3 = REGB4;
+              }
+            }
+            REGB3 = TAG_Bool(!UNTAG_Bool(REGB3));
+            if (UNTAG_Bool(REGB3)) {
+              /* ./syntax//typing.nit:1286 */
+              fra.me.REG[11] = NEW_EscapableClosure_scope___EscapableClosure___init(fra.me.REG[9], fra.me.REG[11], fra.me.REG[8]);
+              /* ./syntax//typing.nit:1287 */
+              fra.me.REG[12] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+              CALL_scope___ScopeContext___push_escapable(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[11], fra.me.REG[7]);
+              /* ./syntax//typing.nit:1288 */
+              CALL_typing___AClosureDef___accept_typing2(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[1], fra.me.REG[11]);
+              /* ./syntax//typing.nit:1289 */
+              fra.me.REG[11] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+              CALL_scope___ScopeContext___pop(fra.me.REG[11])(fra.me.REG[11]);
+            } else {
+              /* ./../lib/standard//collection//array.nit:23 */
+              REGB3 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+              if (UNTAG_Bool(REGB3)) {
+              } else {
+		nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+              }
+              REGB3 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+              /* ./syntax//typing.nit:1290 */
+              REGB4 = TAG_Int(1);
+              REGB5 = TAG_Bool(IS_EQUAL_OO(REGB3,REGB4));
+              if (UNTAG_Bool(REGB5)) {
+              } else {
+		/* ./../lib/standard//kernel.nit:207 */
+		REGB4 = TAG_Bool((REGB3)==(REGB4));
+		/* ./syntax//typing.nit:1290 */
+		REGB5 = REGB4;
+              }
+              if (UNTAG_Bool(REGB5)) {
+		/* ./syntax//typing.nit:1291 */
+		fra.me.REG[11] = CALL_parser_nodes___AClosureDef___n_id(fra.me.REG[9])(fra.me.REG[9]);
+		REGB5 = TAG_Int(7);
+		fra.me.REG[12] = NEW_Array_array___Array___with_capacity(REGB5);
+		if (!once_value_11) {
+		fra.me.REG[13] = BOX_NativeString("Error: no closure named '!");
+		REGB5 = TAG_Int(26);
+		fra.me.REG[13] = NEW_String_string___String___with_native(fra.me.REG[13], REGB5);
+		once_value_11 = fra.me.REG[13];
+		register_static_object(&once_value_11);
+		} else fra.me.REG[13] = once_value_11;
+		fra.me.REG[13] = fra.me.REG[13];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[13]);
+		fra.me.REG[13] = CALL_string___Object___to_s(fra.me.REG[10])(fra.me.REG[10]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[13]);
+		if (!once_value_12) {
+		fra.me.REG[13] = BOX_NativeString("' in ");
+		REGB5 = TAG_Int(5);
+		fra.me.REG[13] = NEW_String_string___String___with_native(fra.me.REG[13], REGB5);
+		once_value_12 = fra.me.REG[13];
+		register_static_object(&once_value_12);
+		} else fra.me.REG[13] = once_value_12;
+		fra.me.REG[13] = fra.me.REG[13];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[13]);
+		fra.me.REG[13] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[13]);
+		if (!once_value_13) {
+		fra.me.REG[13] = BOX_NativeString("; only closure is !");
+		REGB5 = TAG_Int(19);
+		fra.me.REG[13] = NEW_String_string___String___with_native(fra.me.REG[13], REGB5);
+		once_value_13 = fra.me.REG[13];
+		register_static_object(&once_value_13);
+		} else fra.me.REG[13] = once_value_13;
+		fra.me.REG[13] = fra.me.REG[13];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[13]);
+		fra.me.REG[13] = CALL_abstract_collection___Collection___first(fra.me.REG[6])(fra.me.REG[6]);
+		REGB5 = TAG_Bool(fra.me.REG[13]==NIT_NULL);
+		if (UNTAG_Bool(REGB5)) {
+		nit_abort("Reciever is null", NULL, LOCATE_typing, 1291);
+		}
+		fra.me.REG[13] = CALL_static_type___MMClosure___name(fra.me.REG[13])(fra.me.REG[13]);
+		fra.me.REG[13] = CALL_string___Object___to_s(fra.me.REG[13])(fra.me.REG[13]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[13]);
+		if (!once_value_14) {
+		fra.me.REG[13] = BOX_NativeString(".");
+		REGB5 = TAG_Int(1);
+		fra.me.REG[13] = NEW_String_string___String___with_native(fra.me.REG[13], REGB5);
+		once_value_14 = fra.me.REG[13];
+		register_static_object(&once_value_14);
+		} else fra.me.REG[13] = once_value_14;
+		fra.me.REG[13] = fra.me.REG[13];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[13]);
+		fra.me.REG[12] = CALL_string___Object___to_s(fra.me.REG[12])(fra.me.REG[12]);
+		CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[11], fra.me.REG[12]);
+              } else {
+		/* ./syntax//typing.nit:1293 */
+		fra.me.REG[12] = NEW_Array_array___Array___init();
+		/* ./../lib/standard//collection//array.nit:231 */
+		fra.me.REG[11] = fra.me.REG[6];
+		/* ./../lib/standard//collection//array.nit:234 */
+		REGB5 = TAG_Int(0);
+		/* ./../lib/standard//collection//array.nit:235 */
+		REGB4 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[11])!=NIT_NULL);
+		if (UNTAG_Bool(REGB4)) {
+		} else {
+		nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
+		}
+		REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[11]);
+		/* ./../lib/standard//collection//array.nit:236 */
+		fra.me.REG[13] = ATTR_array___Array____items(fra.me.REG[11]);
+		/* ./../lib/standard//collection//array.nit:237 */
+		while(1) {
+		/* ./../lib/standard//collection//array.nit:23 */
+		REGB4 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[11])!=NIT_NULL);
+		if (UNTAG_Bool(REGB4)) {
+		} else {
+		nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+		}
+		REGB4 = ATTR_array___AbstractArrayRead____length(fra.me.REG[11]);
+		/* ./../lib/standard//kernel.nit:212 */
+		REGB4 = TAG_Bool(UNTAG_Int(REGB5)<UNTAG_Int(REGB4));
+		/* ./../lib/standard//collection//array.nit:237 */
+		if (UNTAG_Bool(REGB4)) {
+		/* ./../lib/standard//collection//array.nit:238 */
+		REGB4 = TAG_Bool(fra.me.REG[13]==NIT_NULL);
+		if (UNTAG_Bool(REGB4)) {
+		nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+		}
+		/* ./../lib/standard//collection//array.nit:654 */
+		fra.me.REG[14] = ((Nit_NativeArray)fra.me.REG[13])->val[UNTAG_Int(REGB5)];
+		/* ./syntax//typing.nit:1295 */
+		REGB4 = TAG_Int(3);
+		fra.me.REG[15] = NEW_Array_array___Array___with_capacity(REGB4);
+		if (!once_value_15) {
+		fra.me.REG[16] = BOX_NativeString("!");
+		REGB4 = TAG_Int(1);
+		fra.me.REG[16] = NEW_String_string___String___with_native(fra.me.REG[16], REGB4);
+		once_value_15 = fra.me.REG[16];
+		register_static_object(&once_value_15);
+		} else fra.me.REG[16] = once_value_15;
+		fra.me.REG[16] = fra.me.REG[16];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[15])(fra.me.REG[15], fra.me.REG[16]);
+		fra.me.REG[14] = CALL_static_type___MMClosure___name(fra.me.REG[14])(fra.me.REG[14]);
+		fra.me.REG[14] = CALL_string___Object___to_s(fra.me.REG[14])(fra.me.REG[14]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[15])(fra.me.REG[15], fra.me.REG[14]);
+		if (!once_value_16) {
+		fra.me.REG[14] = BOX_NativeString("");
+		REGB4 = TAG_Int(0);
+		fra.me.REG[14] = NEW_String_string___String___with_native(fra.me.REG[14], REGB4);
+		once_value_16 = fra.me.REG[14];
+		register_static_object(&once_value_16);
+		} else fra.me.REG[14] = once_value_16;
+		fra.me.REG[14] = fra.me.REG[14];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[15])(fra.me.REG[15], fra.me.REG[14]);
+		fra.me.REG[15] = CALL_string___Object___to_s(fra.me.REG[15])(fra.me.REG[15]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[15]);
+		/* ./../lib/standard//collection//array.nit:239 */
+		REGB4 = TAG_Int(1);
+		/* ./../lib/standard//kernel.nit:215 */
+		REGB4 = TAG_Int(UNTAG_Int(REGB5)+UNTAG_Int(REGB4));
+		/* ./../lib/standard//collection//array.nit:239 */
+		REGB5 = REGB4;
+		} else {
+		/* ./../lib/standard//collection//array.nit:237 */
+		goto label17;
+		}
+		}
+		label17: while(0);
+		/* ./syntax//typing.nit:1297 */
+		fra.me.REG[9] = CALL_parser_nodes___AClosureDef___n_id(fra.me.REG[9])(fra.me.REG[9]);
+		REGB5 = TAG_Int(7);
+		fra.me.REG[13] = NEW_Array_array___Array___with_capacity(REGB5);
+		if (!once_value_18) {
+		fra.me.REG[11] = BOX_NativeString("Error: no closure named '!");
+		REGB5 = TAG_Int(26);
+		fra.me.REG[11] = NEW_String_string___String___with_native(fra.me.REG[11], REGB5);
+		once_value_18 = fra.me.REG[11];
+		register_static_object(&once_value_18);
+		} else fra.me.REG[11] = once_value_18;
+		fra.me.REG[11] = fra.me.REG[11];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[13])(fra.me.REG[13], fra.me.REG[11]);
+		fra.me.REG[10] = CALL_string___Object___to_s(fra.me.REG[10])(fra.me.REG[10]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[13])(fra.me.REG[13], fra.me.REG[10]);
+		if (!once_value_19) {
+		fra.me.REG[10] = BOX_NativeString("' in ");
+		REGB5 = TAG_Int(5);
+		fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB5);
+		once_value_19 = fra.me.REG[10];
+		register_static_object(&once_value_19);
+		} else fra.me.REG[10] = once_value_19;
+		fra.me.REG[10] = fra.me.REG[10];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[13])(fra.me.REG[13], fra.me.REG[10]);
+		fra.me.REG[10] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[13])(fra.me.REG[13], fra.me.REG[10]);
+		if (!once_value_20) {
+		fra.me.REG[10] = BOX_NativeString("; only closures are ");
+		REGB5 = TAG_Int(20);
+		fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB5);
+		once_value_20 = fra.me.REG[10];
+		register_static_object(&once_value_20);
+		} else fra.me.REG[10] = once_value_20;
+		fra.me.REG[10] = fra.me.REG[10];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[13])(fra.me.REG[13], fra.me.REG[10]);
+		if (!once_value_21) {
+		fra.me.REG[10] = BOX_NativeString(",");
+		REGB5 = TAG_Int(1);
+		fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB5);
+		once_value_21 = fra.me.REG[10];
+		register_static_object(&once_value_21);
+		} else fra.me.REG[10] = once_value_21;
+		fra.me.REG[10] = fra.me.REG[10];
+		fra.me.REG[10] = CALL_string___Collection___join(fra.me.REG[12])(fra.me.REG[12], fra.me.REG[10]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[13])(fra.me.REG[13], fra.me.REG[10]);
+		if (!once_value_22) {
+		fra.me.REG[10] = BOX_NativeString(".");
+		REGB5 = TAG_Int(1);
+		fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB5);
+		once_value_22 = fra.me.REG[10];
+		register_static_object(&once_value_22);
+		} else fra.me.REG[10] = once_value_22;
+		fra.me.REG[10] = fra.me.REG[10];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[13])(fra.me.REG[13], fra.me.REG[10]);
+		fra.me.REG[13] = CALL_string___Object___to_s(fra.me.REG[13])(fra.me.REG[13]);
+		CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[9], fra.me.REG[13]);
+              }
+            }
+            /* ./../lib/standard//kernel.nit:334 */
+            REGB5 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB5 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB5));
+            /* ./../lib/standard//kernel.nit:334 */
+            REGB2 = REGB5;
+          } else {
+            /* ./../lib/standard//kernel.nit:332 */
+            goto label23;
           }
-          /* Register variable[18]: Result */
-          if (!UNTAG_Bool(variable[18])) { fprintf(stderr, "Assert%s failed", " 'index' "); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_array___Array_____bra, LOCATE_typing, 234); nit_exit(1);}
-          /* Register variable[18]: Result */
-          variable[18] = ATTR_array___Array____items(variable[15]) /*Array::_items*/;
-          /* Register variable[18]: Result */
-          variable[18] = UNBOX_NativeArray(variable[18])[UNTAG_Int( variable[16] /*index*/)];
-          variable[17] = variable[18];
-          goto return_label197;
-          return_label197: while(false);
-          /* Register variable[15]: Result */
-          variable[15] = variable[17];
-          variable[14] = variable[15];
-          /* Register variable[15]: Local variable */
-          /* Register variable[16]: Result */
-          variable[16] = NEW_EscapableClosure_escape___EscapableClosure___init( variable[14] /*cdi*/,  variable[13] /*csi*/,  variable[9] /*break_list*/) /*new EscapableClosure*/;
-          variable[15] = variable[16];
-          /* Register variable[16]: Result */
-          variable[16] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-          CALL_escape___EscapableContext___push(variable[16])(variable[16],  variable[15] /*esc*/) /*EscapableContext::push*/;
-          CALL_typing___PClosureDef___accept_typing2( variable[14] /*cdi*/)( variable[14] /*cdi*/,  variable[1] /*v*/,  variable[15] /*esc*/) /*PClosureDef::accept_typing2*/;
-          /* Register variable[16]: Result */
-          variable[16] = CALL_typing___TypingVisitor___escapable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::escapable_ctx*/;
-          CALL_escape___EscapableContext___pop(variable[16])(variable[16]) /*EscapableContext::pop*/;
-          continue_195: while(0);
-          CALL_abstract_collection___Iterator___next(variable[10])(variable[10]) /*Iterator::next*/;
         }
-        break_195: while(0);
-        /* Register variable[10]: Result */
-        variable[10] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[9] /*break_list*/ ==  NIT_NULL /*null*/) || (( variable[9] /*break_list*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[9] /*break_list*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[9] /*break_list*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[9] /*break_list*/)( variable[9] /*break_list*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-        if (UNTAG_Bool(variable[10])) { /*if*/
-          /* Register variable[10]: Result */
-          variable[10] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_multiexpr( variable[1] /*v*/)( variable[1] /*v*/,  variable[6] /*t*/,  variable[9] /*break_list*/) /*AbsSyntaxVisitor::check_conform_multiexpr*/;
-          variable[6] = variable[10] /*t=*/;
+        label23: while(0);
+        /* ./syntax//typing.nit:1302 */
+        REGB2 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+        if (UNTAG_Bool(REGB2)) {
+        } else {
+          REGB0 = TAG_Bool(fra.me.REG[8]==NIT_NULL);
+          if (UNTAG_Bool(REGB0)) {
+            REGB0 = TAG_Bool(false);
+            REGB2 = REGB0;
+          } else {
+            REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[8])(fra.me.REG[8], NIT_NULL);
+            REGB2 = REGB0;
+          }
+        }
+        REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+        if (UNTAG_Bool(REGB2)) {
+          /* ./syntax//typing.nit:1303 */
+          fra.me.REG[8] = CALL_syntax_base___AbsSyntaxVisitor___check_conform_multiexpr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5], fra.me.REG[8]);
+          fra.me.REG[5] = fra.me.REG[8];
         }
       }
     }
-  } else { /*if*/
-    /* Register variable[9]: Result */
-    variable[9] = TAG_Bool(( variable[8] /*min_arity*/)!=( TAG_Int(0)));
-    if (UNTAG_Bool(variable[9])) { /*if*/
-      variable[9] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_198 != NIT_NULL) variable[10] = once_value_198;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-        once_value_198 = variable[10];
-      }
-      /* Register variable[10]: Result */
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      variable[10] =  variable[3] /*name*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_199 != NIT_NULL) variable[10] = once_value_199;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString(" requires "), TAG_Int(10)) /*new String*/;
-        once_value_199 = variable[10];
-      }
-      /* Register variable[10]: Result */
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      /* Register variable[10]: Result */
-      variable[10] = CALL_abstract_collection___Collection___length( variable[7] /*cs*/)( variable[7] /*cs*/) /*AbstractArrayRead::length*/;
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_200 != NIT_NULL) variable[10] = once_value_200;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString(" blocks."), TAG_Int(8)) /*new String*/;
-        once_value_200 = variable[10];
+  } else {
+    /* ./syntax//typing.nit:1306 */
+    REGB2 = TAG_Int(0);
+    REGB0 = TAG_Bool(IS_EQUAL_OO(REGB1,REGB2));
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      /* ./../lib/standard//kernel.nit:207 */
+      REGB2 = TAG_Bool((REGB1)==(REGB2));
+      /* ./syntax//typing.nit:1306 */
+      REGB0 = REGB2;
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1307 */
+      REGB0 = TAG_Int(3);
+      fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB0);
+      if (!once_value_24) {
+        fra.me.REG[6] = BOX_NativeString("Error: ");
+        REGB0 = TAG_Int(7);
+        fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
+        once_value_24 = fra.me.REG[6];
+        register_static_object(&once_value_24);
+      } else fra.me.REG[6] = once_value_24;
+      fra.me.REG[6] = fra.me.REG[6];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[6]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+      if (!once_value_25) {
+        fra.me.REG[3] = BOX_NativeString(" does not require blocks.");
+        REGB0 = TAG_Int(25);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_25 = fra.me.REG[3];
+        register_static_object(&once_value_25);
+      } else fra.me.REG[3] = once_value_25;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+      fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[8]);
+    }
+  }
+  /* ./syntax//typing.nit:1309 */
+  goto label26;
+  label26: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[5];
+}
+void typing___AAbsSendExpr___do_typing(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4, val_t p5, val_t p6, val_t p7){
+  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1314;
+  fra.me.meth = LOCATE_typing___AAbsSendExpr___do_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 7;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  REGB0 = p3;
+  REGB1 = p4;
+  fra.me.REG[3] = p5;
+  fra.me.REG[4] = p6;
+  fra.me.REG[5] = p7;
+  /* ./syntax//typing.nit:1317 */
+  fra.me.REG[3] = CALL_typing___AAbsSendExpr___get_property(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], REGB0, fra.me.REG[3]);
+  /* ./syntax//typing.nit:1318 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB2 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+      REGB2 = TAG_Bool(false);
+      REGB0 = REGB2;
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB2;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1319 */
+  fra.me.REG[2] = CALL_typing___AAbsSendExpr___get_signature(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], REGB1);
+  /* ./syntax//typing.nit:1320 */
+  REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 1320);
+  }
+  fra.me.REG[6] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = CALL_typing___AAbsAbsSendExpr___process_signature(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[6], fra.me.REG[4]);
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1321 */
+  REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 1321);
+  }
+  fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___name(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[5] = CALL_typing___AAbsAbsSendExpr___process_closures(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[4], fra.me.REG[5]);
+  /* ./syntax//typing.nit:1322 */
+  REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(false);
+      REGB1 = REGB0;
+    } else {
+      REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
+      REGB1 = REGB0;
+    }
+  }
+  if (UNTAG_Bool(REGB1)) {
+    fra.me.REG[4] = CALL_static_type___MMSignature___return_type(fra.me.REG[2])(fra.me.REG[2]);
+    REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+      if (UNTAG_Bool(REGB0)) {
+        REGB0 = TAG_Bool(false);
+        REGB1 = REGB0;
+      } else {
+        REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+        REGB1 = REGB0;
       }
-      /* Register variable[10]: Result */
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      /* Register variable[9]: Result */
-      variable[9] = CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[9]) /*AbsSyntaxVisitor::error*/;
-    }
-  }
-  variable[5] =  variable[6] /*t*/;
-  goto return_label187;
-  return_label187: while(false);
-  tracehead = trace.prev;
-  return variable[5];
-}
-void typing___AAbsSendExpr___do_typing(val_t  self, val_t  param0, val_t  param1, val_t  param2, val_t  param3, val_t  param4, val_t  param5, val_t  param6) {
-  struct trace_t trace = {NULL, NULL, 1105, LOCATE_typing___AAbsSendExpr___do_typing};
-  val_t variable[14];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Local variable */
-  variable[3] =  param2;
-  /* Register variable[4]: Local variable */
-  variable[4] =  param3;
-  /* Register variable[5]: Local variable */
-  variable[5] =  param4;
-  /* Register variable[6]: Local variable */
-  variable[6] =  param5;
-  /* Register variable[7]: Local variable */
-  variable[7] =  param6;
-  /* Register variable[8]: Method return value and escape marker */
-  /* Register variable[9]: Local variable */
-  /* Register variable[10]: Result */
-  variable[10] = CALL_typing___AAbsSendExpr___get_property(variable[0])(variable[0],  variable[1] /*v*/,  variable[2] /*type_recv*/,  variable[3] /*is_implicit_self*/,  variable[5] /*name*/) /*AAbsSendExpr::get_property*/;
-  variable[9] = variable[10];
-  /* Register variable[10]: Result */
-  variable[10] = TAG_Bool(( variable[9] /*prop*/ ==  NIT_NULL /*null*/) || (( variable[9] /*prop*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[9] /*prop*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[9] /*prop*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[9] /*prop*/)( variable[9] /*prop*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[10])) { /*if*/
-    goto return_label201;
-  }
-  /* Register variable[10]: Local variable */
-  /* Register variable[11]: Result */
-  variable[11] = CALL_typing___AAbsSendExpr___get_signature(variable[0])(variable[0],  variable[1] /*v*/,  variable[2] /*type_recv*/,  variable[9] /*prop*/,  variable[4] /*recv_is_self*/) /*AAbsSendExpr::get_signature*/;
-  variable[10] = variable[11];
-  /* Register variable[11]: Result */
-  variable[11] = TAG_Bool(( variable[10] /*sig*/ ==  NIT_NULL /*null*/) || (( variable[10] /*sig*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[10] /*sig*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[10] /*sig*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[10] /*sig*/)( variable[10] /*sig*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[11])) { /*if*/
-    goto return_label201;
-  }
-  /* Register variable[11]: Local variable */
-  /* Register variable[12]: Result */
-  variable[12] = CALL_abstractmetamodel___MMLocalProperty___name( variable[9] /*prop*/)( variable[9] /*prop*/) /*MMLocalProperty::name*/;
-  /* Register variable[12]: Result */
-  variable[12] = CALL_typing___AAbsAbsSendExpr___process_signature(variable[0])(variable[0],  variable[1] /*v*/,  variable[10] /*sig*/, variable[12],  variable[6] /*raw_args*/) /*AAbsAbsSendExpr::process_signature*/;
-  variable[11] = variable[12];
-  /* Register variable[12]: Result */
-  variable[12] = TAG_Bool(( variable[11] /*args*/ ==  NIT_NULL /*null*/) || (( variable[11] /*args*/ != NIT_NULL) && UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[11] /*args*/)( variable[11] /*args*/,  NIT_NULL /*null*/) /*AbstractArrayRead::==*/)));
-  if (UNTAG_Bool(variable[12])) { /*if*/
-    goto return_label201;
-  }
-  /* Register variable[12]: Local variable */
-  /* Register variable[13]: Result */
-  variable[13] = CALL_abstractmetamodel___MMLocalProperty___name( variable[9] /*prop*/)( variable[9] /*prop*/) /*MMLocalProperty::name*/;
-  /* Register variable[13]: Result */
-  variable[13] = CALL_typing___AAbsAbsSendExpr___process_closures(variable[0])(variable[0],  variable[1] /*v*/,  variable[10] /*sig*/, variable[13],  variable[7] /*closure_defs*/) /*AAbsAbsSendExpr::process_closures*/;
-  variable[12] = variable[13];
-  /* Register variable[13]: Result */
-  variable[13] = TAG_Bool(( variable[12] /*rtype*/ ==  NIT_NULL /*null*/) || (( variable[12] /*rtype*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[12] /*rtype*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[12] /*rtype*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[12] /*rtype*/)( variable[12] /*rtype*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  /* Ensure var variable[13]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[13])) { /* and */
-    /* Register variable[13]: Result */
-    variable[13] = CALL_static_type___MMSignature___return_type( variable[10] /*sig*/)( variable[10] /*sig*/) /*MMSignature::return_type*/;
-    /* Register variable[13]: Result */
-    variable[13] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[13] ==  NIT_NULL /*null*/) || ((variable[13] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[13])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[13], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[13])(variable[13],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  }
-  /* Register variable[13]: Result */
-  if (UNTAG_Bool(variable[13])) { /*if*/
-    goto return_label201;
-  }
-  ATTR_typing___AAbsSendExpr____prop(variable[0]) /*AAbsSendExpr::_prop*/ =  variable[9] /*prop*/;
-  ATTR_typing___AAbsAbsSendExpr____prop_signature(variable[0]) /*AAbsAbsSendExpr::_prop_signature*/ =  variable[10] /*sig*/;
-  ATTR_typing___AAbsAbsSendExpr____arguments(variable[0]) /*AAbsAbsSendExpr::_arguments*/ =  variable[11] /*args*/;
-  ATTR_typing___AAbsSendExpr____return_type(variable[0]) /*AAbsSendExpr::_return_type*/ =  variable[12] /*rtype*/;
-  return_label201: while(false);
-  tracehead = trace.prev;
+    }
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  } else {
+    REGB0 = TAG_Bool(false);
+    REGB1 = REGB0;
+  }
+  if (UNTAG_Bool(REGB1)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1323 */
+  ATTR_typing___AAbsSendExpr____prop(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:1324 */
+  ATTR_typing___AAbsAbsSendExpr____prop_signature(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:1325 */
+  ATTR_typing___AAbsSendExpr____return_type(fra.me.REG[0]) = fra.me.REG[5];
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AAbsSendExpr___get_property(val_t  self, val_t  param0, val_t  param1, val_t  param2, val_t  param3) {
-  struct trace_t trace = {NULL, NULL, 1122, LOCATE_typing___AAbsSendExpr___get_property};
-      static val_t once_value_203 = NIT_NULL; /* Once value for string variable[10]*/
-      static val_t once_value_204 = NIT_NULL; /* Once value for string variable[10]*/
-      static val_t once_value_205 = NIT_NULL; /* Once value for string variable[10]*/
-      static val_t once_value_206 = NIT_NULL; /* Once value for string variable[10]*/
-      static val_t once_value_207 = NIT_NULL; /* Once value for string variable[9]*/
-      static val_t once_value_208 = NIT_NULL; /* Once value for string variable[9]*/
-      static val_t once_value_209 = NIT_NULL; /* Once value for string variable[9]*/
-      static val_t once_value_210 = NIT_NULL; /* Once value for string variable[9]*/
-      static val_t once_value_211 = NIT_NULL; /* Once value for string variable[9]*/
-      static val_t once_value_212 = NIT_NULL; /* Once value for string variable[9]*/
-  val_t variable[12];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Local variable */
-  variable[3] =  param2;
-  /* Register variable[4]: Local variable */
-  variable[4] =  param3;
-  /* Register variable[5]: Method return value and escape marker */
-  /* Register variable[6]: Result */
-  variable[6] = TAG_Bool(( variable[2] /*type_recv*/ ==  NIT_NULL /*null*/) || (( variable[2] /*type_recv*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[2] /*type_recv*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[2] /*type_recv*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[2] /*type_recv*/)( variable[2] /*type_recv*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[6])) { /*if*/
-    variable[5] =  NIT_NULL /*null*/;
-    goto return_label202;
-  }
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_static_type___MMType___local_class( variable[2] /*type_recv*/)( variable[2] /*type_recv*/) /*MMType::local_class*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Local variable */
-  variable[7] =  NIT_NULL /*null*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_abstractmetamodel___MMLocalClass___has_global_property_by_name( variable[6] /*lc*/)( variable[6] /*lc*/,  variable[4] /*name*/) /*MMLocalClass::has_global_property_by_name*/;
-  if (UNTAG_Bool(variable[8])) { /*if*/
-    /* Register variable[8]: Result */
-    variable[8] = CALL_abstractmetamodel___MMLocalClass___select_method( variable[6] /*lc*/)( variable[6] /*lc*/,  variable[4] /*name*/) /*MMLocalClass::select_method*/;
-    variable[7] = variable[8] /*prop=*/;
-  }
-  /* Register variable[8]: Result */
-  variable[8] = TAG_Bool(( variable[7] /*prop*/ ==  NIT_NULL /*null*/) || (( variable[7] /*prop*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[7] /*prop*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[7] /*prop*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[7] /*prop*/)( variable[7] /*prop*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  /* Ensure var variable[8]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[8])) { /* and */
-    /* Register variable[8]: Result */
-    variable[8] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_abstractmetamodel___MMLocalProperty___global(variable[8])(variable[8]) /*MMLocalProperty::global*/;
-    /* Register variable[8]: Result */
-    variable[8] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[8])(variable[8]) /*MMGlobalProperty::is_init*/;
-  }
-  /* Register variable[8]: Result */
-  if (UNTAG_Bool(variable[8])) { /*if*/
-    /* Register variable[8]: Local variable */
-    /* Register variable[9]: Result */
-    variable[9] = CALL_static_type___MMType___local_class( variable[2] /*type_recv*/)( variable[2] /*type_recv*/) /*MMType::local_class*/;
-    /* Register variable[9]: Result */
-    variable[9] = CALL_abstractmetamodel___MMLocalClass___super_methods_named(variable[9])(variable[9],  variable[4] /*name*/) /*MMLocalClass::super_methods_named*/;
-    variable[8] = variable[9];
-    /* Register variable[9]: Result */
-    variable[9] = CALL_abstract_collection___Collection___length( variable[8] /*props*/)( variable[8] /*props*/) /*AbstractArrayRead::length*/;
-    /* Register variable[9]: Result */
-    variable[9] = TAG_Bool(UNTAG_Int(variable[9])>UNTAG_Int( TAG_Int(1)));
-    if (UNTAG_Bool(variable[9])) { /*if*/
-      variable[9] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_203 != NIT_NULL) variable[10] = once_value_203;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString("Error: Ambigous method name '"), TAG_Int(29)) /*new String*/;
-        once_value_203 = variable[10];
-      }
-      /* Register variable[10]: Result */
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      variable[10] =  variable[4] /*name*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_204 != NIT_NULL) variable[10] = once_value_204;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString("' for "), TAG_Int(6)) /*new String*/;
-        once_value_204 = variable[10];
-      }
-      /* Register variable[10]: Result */
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_205 != NIT_NULL) variable[10] = once_value_205;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString(", "), TAG_Int(2)) /*new String*/;
-        once_value_205 = variable[10];
-      }
-      /* Register variable[10]: Result */
-      /* Register variable[10]: Result */
-      variable[10] = CALL_string___Collection___join( variable[8] /*props*/)( variable[8] /*props*/, variable[10]) /*Collection::join*/;
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      /* Register variable[10]: Once String constant */
-      if (once_value_206 != NIT_NULL) variable[10] = once_value_206;
-      else {
-        variable[10] = NEW_String_string___String___with_native(BOX_NativeString(". Use explicit designation."), TAG_Int(27)) /*new String*/;
-        once_value_206 = variable[10];
-      }
-      /* Register variable[10]: Result */
-      /* Ensure var variable[10]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[9])(variable[9], variable[10]) /*AbstractArray::add*/;
-      /* Register variable[9]: Result */
-      variable[9] = CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[9]) /*AbsSyntaxVisitor::error*/;
-      variable[5] =  NIT_NULL /*null*/;
-      goto return_label202;
-    } else { /*if*/
-      /* Register variable[9]: Result */
-      variable[9] = CALL_abstract_collection___Collection___length( variable[8] /*props*/)( variable[8] /*props*/) /*AbstractArrayRead::length*/;
-      /* Register variable[9]: Result */
-      variable[9] = TAG_Bool((variable[9])==( TAG_Int(1)));
-      if (UNTAG_Bool(variable[9])) { /*if*/
-        /* Register variable[9]: Local variable */
-        /* Register variable[10]: Result */
-        variable[10] = CALL_static_type___MMType___local_class( variable[2] /*type_recv*/)( variable[2] /*type_recv*/) /*MMType::local_class*/;
-        /* Register variable[11]: Result */
-        variable[11] = CALL_abstract_collection___Collection___first( variable[8] /*props*/)( variable[8] /*props*/) /*IndexedCollectionRead::first*/;
-        /* Register variable[11]: Result */
-        variable[11] = CALL_abstractmetamodel___MMLocalProperty___global(variable[11])(variable[11]) /*MMLocalProperty::global*/;
-        /* Register variable[10]: Result */
-        variable[10] = CALL_abstractmetamodel___MMLocalClass_____bra(variable[10])(variable[10], variable[11]) /*MMLocalClass::[]*/;
-        variable[9] = variable[10];
-        /* Register variable[10]: Result */
-        variable[10] = TAG_Bool(( variable[9] /*p*/==NIT_NULL) || VAL_ISA( variable[9] /*p*/, COLOR_MMMethod, ID_MMMethod)) /*cast MMMethod*/;
-        if (!UNTAG_Bool(variable[10])) { fprintf(stderr, "Assert%s failed", ""); fprintf(stderr, " in %s (%s:%d)\n", LOCATE_typing___AAbsSendExpr___get_property, LOCATE_typing, 1135); nit_exit(1);}
-        variable[7] =  variable[9] /*p*/ /*prop=*/;
+val_t typing___AAbsSendExpr___get_property(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4){
+  struct {struct stack_frame_t me; val_t MORE_REG[9];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+      static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+        static val_t once_value_4; /* Once value */
+      static val_t once_value_5; /* Once value */
+      static val_t once_value_6; /* Once value */
+      static val_t once_value_8; /* Once value */
+      static val_t once_value_9; /* Once value */
+      static val_t once_value_10; /* Once value */
+      static val_t once_value_11; /* Once value */
+      static val_t once_value_12; /* Once value */
+      static val_t once_value_13; /* Once value */
+      static val_t once_value_14; /* Once value */
+      static val_t once_value_15; /* Once value */
+      static val_t once_value_16; /* Once value */
+      static val_t once_value_17; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1328;
+  fra.me.meth = LOCATE_typing___AAbsSendExpr___get_property;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 10;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[9] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  REGB0 = p3;
+  fra.me.REG[3] = p4;
+  /* ./syntax//typing.nit:1330 */
+  REGB1 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:1331 */
+    if (!once_value_1) {
+      if (!once_value_2) {
+        fra.me.REG[4] = BOX_NativeString("==");
+        REGB1 = TAG_Int(2);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+        once_value_2 = fra.me.REG[4];
+        register_static_object(&once_value_2);
+      } else fra.me.REG[4] = once_value_2;
+      fra.me.REG[4] = fra.me.REG[4];
+      fra.me.REG[4] = CALL_symbol___String___to_symbol(fra.me.REG[4])(fra.me.REG[4]);
+      once_value_1 = fra.me.REG[4];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[4] = once_value_1;
+    fra.me.REG[4] = fra.me.REG[4];
+    REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[4]));
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      REGB1 = REGB2;
+    }
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(true);
+    } else {
+      if (!once_value_3) {
+        if (!once_value_4) {
+          fra.me.REG[4] = BOX_NativeString("!=");
+          REGB2 = TAG_Int(2);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB2);
+          once_value_4 = fra.me.REG[4];
+          register_static_object(&once_value_4);
+        } else fra.me.REG[4] = once_value_4;
+        fra.me.REG[4] = fra.me.REG[4];
+        fra.me.REG[4] = CALL_symbol___String___to_symbol(fra.me.REG[4])(fra.me.REG[4]);
+        once_value_3 = fra.me.REG[4];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[4] = once_value_3;
+      fra.me.REG[4] = fra.me.REG[4];
+      REGB2 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[4]));
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        REGB3 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+        REGB2 = REGB3;
       }
+      REGB1 = REGB2;
+    }
+    if (UNTAG_Bool(REGB1)) {
+      /* ./syntax//typing.nit:1333 */
+      fra.me.REG[4] = CALL_syntax_base___AbsSyntaxVisitor___type_object(fra.me.REG[1])(fra.me.REG[1]);
+      fra.me.REG[4] = CALL_static_type___MMType___as_nullable(fra.me.REG[4])(fra.me.REG[4]);
+      fra.me.REG[2] = fra.me.REG[4];
+    } else {
+      /* ./syntax//typing.nit:1335 */
+      REGB1 = TAG_Int(3);
+      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
+      if (!once_value_5) {
+        fra.me.REG[5] = BOX_NativeString("Error: Method '");
+        REGB1 = TAG_Int(15);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_5 = fra.me.REG[5];
+        register_static_object(&once_value_5);
+      } else fra.me.REG[5] = once_value_5;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      if (!once_value_6) {
+        fra.me.REG[5] = BOX_NativeString("' call on 'null'.");
+        REGB1 = TAG_Int(17);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_6 = fra.me.REG[5];
+        register_static_object(&once_value_6);
+      } else fra.me.REG[5] = once_value_6;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+      /* ./syntax//typing.nit:1336 */
+      fra.me.REG[4] = NIT_NULL;
+      goto label7;
     }
   }
-  /* Register variable[8]: Result */
-  variable[8] = TAG_Bool(( variable[7] /*prop*/ ==  NIT_NULL /*null*/) || (( variable[7] /*prop*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[7] /*prop*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[7] /*prop*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[7] /*prop*/)( variable[7] /*prop*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[8])) { /*if*/
-    if (UNTAG_Bool( variable[3] /*is_implicit_self*/)) { /*if*/
-      variable[8] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[9]: Once String constant */
-      if (once_value_207 != NIT_NULL) variable[9] = once_value_207;
-      else {
-        variable[9] = NEW_String_string___String___with_native(BOX_NativeString("Error: Method or variable '"), TAG_Int(27)) /*new String*/;
-        once_value_207 = variable[9];
-      }
-      /* Register variable[9]: Result */
-      /* Ensure var variable[9]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-      variable[9] =  variable[4] /*name*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[9]: Once String constant */
-      if (once_value_208 != NIT_NULL) variable[9] = once_value_208;
-      else {
-        variable[9] = NEW_String_string___String___with_native(BOX_NativeString("' unknown in "), TAG_Int(13)) /*new String*/;
-        once_value_208 = variable[9];
-      }
-      /* Register variable[9]: Result */
-      /* Ensure var variable[9]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-      variable[9] =  variable[2] /*type_recv*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[9]: Once String constant */
-      if (once_value_209 != NIT_NULL) variable[9] = once_value_209;
-      else {
-        variable[9] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-        once_value_209 = variable[9];
-      }
-      /* Register variable[9]: Result */
-      /* Ensure var variable[9]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-      /* Register variable[8]: Result */
-      variable[8] = CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[8]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      variable[8] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[9]: Once String constant */
-      if (once_value_210 != NIT_NULL) variable[9] = once_value_210;
-      else {
-        variable[9] = NEW_String_string___String___with_native(BOX_NativeString("Error: Method '"), TAG_Int(15)) /*new String*/;
-        once_value_210 = variable[9];
-      }
-      /* Register variable[9]: Result */
-      /* Ensure var variable[9]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-      variable[9] =  variable[4] /*name*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[9]: Once String constant */
-      if (once_value_211 != NIT_NULL) variable[9] = once_value_211;
-      else {
-        variable[9] = NEW_String_string___String___with_native(BOX_NativeString("' doesn't exists in "), TAG_Int(20)) /*new String*/;
-        once_value_211 = variable[9];
-      }
-      /* Register variable[9]: Result */
-      /* Ensure var variable[9]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-      variable[9] =  variable[2] /*type_recv*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], CALL_string___Object___to_s(variable[9])(variable[9]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[9]: Once String constant */
-      if (once_value_212 != NIT_NULL) variable[9] = once_value_212;
-      else {
-        variable[9] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-        once_value_212 = variable[9];
-      }
-      /* Register variable[9]: Result */
-      /* Ensure var variable[9]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[8])(variable[8], variable[9]) /*AbstractArray::add*/;
-      /* Register variable[8]: Result */
-      variable[8] = CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[8]) /*AbsSyntaxVisitor::error*/;
-    }
-    variable[5] =  NIT_NULL /*null*/;
-    goto return_label202;
-  }
-  variable[5] =  variable[7] /*prop*/;
-  goto return_label202;
-  return_label202: while(false);
-  tracehead = trace.prev;
-  return variable[5];
-}
-val_t typing___AAbsSendExpr___get_signature(val_t  self, val_t  param0, val_t  param1, val_t  param2, val_t  param3) {
-  struct trace_t trace = {NULL, NULL, 1151, LOCATE_typing___AAbsSendExpr___get_signature};
-  val_t variable[8];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Local variable */
-  variable[3] =  param2;
-  /* Register variable[4]: Local variable */
-  variable[4] =  param3;
-  /* Register variable[5]: Method return value and escape marker */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstractmetamodel___MMLocalProperty___global( variable[3] /*prop*/)( variable[3] /*prop*/) /*MMLocalProperty::global*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___AbsSyntaxVisitor___module( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::module*/;
-  CALL_syntax_base___MMGlobalProperty___check_visibility(variable[6])(variable[6],  variable[1] /*v*/, variable[0], variable[7],  variable[4] /*recv_is_self*/) /*MMGlobalProperty::check_visibility*/;
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_static_type___MMLocalProperty___signature_for( variable[3] /*prop*/)( variable[3] /*prop*/,  variable[2] /*type_recv*/) /*MMLocalProperty::signature_for*/;
-  variable[6] = variable[7];
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool( variable[4] /*recv_is_self*/)))) { /*if*/
-    /* Register variable[7]: Result */
-    variable[7] = CALL_static_type___MMSignature___not_for_self( variable[6] /*psig*/)( variable[6] /*psig*/) /*MMSignature::not_for_self*/;
-    variable[6] = variable[7] /*psig=*/;
-  }
-  variable[5] =  variable[6] /*psig*/;
-  goto return_label213;
-  return_label213: while(false);
-  tracehead = trace.prev;
-  return variable[5];
-}
-val_t typing___AAbsSendExpr___prop(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1160, LOCATE_typing___AAbsSendExpr___prop};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AAbsSendExpr____prop( self) /*AAbsSendExpr::_prop*/;
-}
-val_t typing___AAbsSendExpr___return_type(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1163, LOCATE_typing___AAbsSendExpr___return_type};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___AAbsSendExpr____return_type( self) /*AAbsSendExpr::_return_type*/;
-}
-void typing___ASuperInitCall___register_super_init_call(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 1171, LOCATE_typing___ASuperInitCall___register_super_init_call};
-    static val_t once_value_215 = NIT_NULL; /* Once value for string variable[5]*/
-    static val_t once_value_216 = NIT_NULL; /* Once value for string variable[5]*/
-      static val_t once_value_217 = NIT_NULL; /* Once value for string variable[8]*/
-      static val_t once_value_218 = NIT_NULL; /* Once value for string variable[8]*/
-      static val_t once_value_219 = NIT_NULL; /* Once value for string variable[8]*/
-      static val_t once_value_220 = NIT_NULL; /* Once value for string variable[8]*/
-        static val_t once_value_221 = NIT_NULL; /* Once value for string variable[8]*/
-        static val_t once_value_222 = NIT_NULL; /* Once value for string variable[8]*/
-		static val_t once_value_224 = NIT_NULL; /* Once value for string variable[12]*/
-		static val_t once_value_225 = NIT_NULL; /* Once value for string variable[12]*/
-		static val_t once_value_226 = NIT_NULL; /* Once value for string variable[12]*/
-  val_t variable[13];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Method return value and escape marker */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_prod___PNode___parent(variable[0])(variable[0]) /*PNode::parent*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___TypingVisitor___top_block( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::top_block*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[4] == variable[5]) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4],variable[5])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4], variable[5]) /*Object::==*/)))))));
-  /* Ensure var variable[4]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[4])) { /* and */
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___TypingVisitor___top_block( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::top_block*/;
-    /* Register variable[4]: Result */
-    variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[0] == variable[4]) || ((variable[0] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[0])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[0],variable[4])):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[0])(variable[0], variable[4]) /*Object::==*/)))))));
-  }
-  /* Register variable[4]: Result */
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_215 != NIT_NULL) variable[5] = once_value_215;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: Constructor invocation "), TAG_Int(30)) /*new String*/;
-      once_value_215 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-    variable[5] =  variable[2] /*property*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_216 != NIT_NULL) variable[5] = once_value_216;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString(" must not be in nested block."), TAG_Int(29)) /*new String*/;
-      once_value_216 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-  }
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___module( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::module*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstractmetamodel___MMLocalProperty___global( variable[2] /*property*/)( variable[2] /*property*/) /*MMLocalProperty::global*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstractmetamodel___MMGlobalProperty___intro(variable[6])(variable[6]) /*MMGlobalProperty::intro*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstractmetamodel___MMLocalProperty___local_class(variable[6])(variable[6]) /*MMLocalProperty::local_class*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstractmetamodel___MMLocalClass___global(variable[6])(variable[6]) /*MMLocalClass::global*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_abstractmetamodel___MMModule_____bra(variable[5])(variable[5], variable[6]) /*MMModule::[]*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Local variable */
-  variable[5] =  NIT_NULL /*null*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___TypingVisitor___explicit_super_init_calls( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::explicit_super_init_calls*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstract_collection___Collection___is_empty(variable[6])(variable[6]) /*AbstractArrayRead::is_empty*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[6])))) { /*if*/
-    /* Register variable[6]: Result */
-    variable[6] = CALL_typing___TypingVisitor___explicit_super_init_calls( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::explicit_super_init_calls*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_abstract_collection___IndexedCollectionRead___last(variable[6])(variable[6]) /*IndexedCollectionRead::last*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_abstractmetamodel___MMLocalProperty___global(variable[6])(variable[6]) /*MMLocalProperty::global*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_abstractmetamodel___MMGlobalProperty___intro(variable[6])(variable[6]) /*MMGlobalProperty::intro*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_abstractmetamodel___MMLocalProperty___local_class(variable[6])(variable[6]) /*MMLocalProperty::local_class*/;
-    variable[5] = variable[6] /*prev_class=*/;
-  }
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___AbsSyntaxVisitor___local_class( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_class*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstractmetamodel___MMLocalClass___cshe(variable[7])(variable[7]) /*MMLocalClass::cshe*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_partial_order___PartialOrderElement___reverse_linear_extension(variable[7])(variable[7]) /*PartialOrderElement::reverse_linear_extension*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___AbsSyntaxVisitor___local_class( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_class*/;
-  /* Register variable[7]: Result */
-  variable[7] = TAG_Bool(( variable[4] /*cla*/ == variable[7]) || (( variable[4] /*cla*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*cla*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*cla*/,variable[7])):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*cla*/)( variable[4] /*cla*/, variable[7]) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[7])) { /*if*/
-    CALL_typing___TypingVisitor___explicit_other_init_call__eq( variable[1] /*v*/)( variable[1] /*v*/,  TAG_Bool(true)) /*TypingVisitor::explicit_other_init_call=*/;
-  } else { /*if*/
-    /* Register variable[7]: Result */
-    variable[7] = CALL_abstract_collection___Collection___has( variable[6] /*order*/)( variable[6] /*order*/,  variable[4] /*cla*/) /*AbstractArrayRead::has*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[7])))) { /*if*/
-      variable[7] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_217 != NIT_NULL) variable[8] = once_value_217;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString("Error: Constructor of class "), TAG_Int(28)) /*new String*/;
-        once_value_217 = variable[8];
+  /* ./syntax//typing.nit:1339 */
+  fra.me.REG[5] = CALL_static_type___MMType___local_class(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1340 */
+  fra.me.REG[6] = NIT_NULL;
+  /* ./syntax//typing.nit:1341 */
+  REGB1 = CALL_abstractmetamodel___MMLocalClass___has_global_property_by_name(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+  if (UNTAG_Bool(REGB1)) {
+    fra.me.REG[7] = CALL_abstractmetamodel___MMLocalClass___select_method(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+    fra.me.REG[6] = fra.me.REG[7];
+  }
+  /* ./syntax//typing.nit:1342 */
+  REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB2 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+    if (UNTAG_Bool(REGB2)) {
+      REGB2 = TAG_Bool(false);
+      REGB1 = REGB2;
+    } else {
+      REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
+      REGB1 = REGB2;
+    }
+  }
+  if (UNTAG_Bool(REGB1)) {
+    fra.me.REG[7] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[7] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[7])(fra.me.REG[7]);
+    REGB1 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[7])(fra.me.REG[7]);
+  } else {
+    REGB2 = TAG_Bool(false);
+    REGB1 = REGB2;
+  }
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:1343 */
+    fra.me.REG[7] = CALL_abstractmetamodel___MMLocalClass___super_methods_named(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[3]);
+    /* ./../lib/standard//collection//array.nit:23 */
+    REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+    } else {
+      nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+    }
+    REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+    /* ./syntax//typing.nit:1344 */
+    REGB2 = TAG_Int(1);
+    /* ./../lib/standard//kernel.nit:214 */
+    REGB2 = TAG_Bool(UNTAG_Int(REGB1)>UNTAG_Int(REGB2));
+    /* ./syntax//typing.nit:1344 */
+    if (UNTAG_Bool(REGB2)) {
+      /* ./syntax//typing.nit:1345 */
+      REGB2 = TAG_Int(5);
+      fra.me.REG[8] = NEW_Array_array___Array___with_capacity(REGB2);
+      if (!once_value_8) {
+        fra.me.REG[9] = BOX_NativeString("Error: Ambigous method name '");
+        REGB2 = TAG_Int(29);
+        fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB2);
+        once_value_8 = fra.me.REG[9];
+        register_static_object(&once_value_8);
+      } else fra.me.REG[9] = once_value_8;
+      fra.me.REG[9] = fra.me.REG[9];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
+      fra.me.REG[9] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
+      if (!once_value_9) {
+        fra.me.REG[9] = BOX_NativeString("' for ");
+        REGB2 = TAG_Int(6);
+        fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB2);
+        once_value_9 = fra.me.REG[9];
+        register_static_object(&once_value_9);
+      } else fra.me.REG[9] = once_value_9;
+      fra.me.REG[9] = fra.me.REG[9];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
+      if (!once_value_10) {
+        fra.me.REG[9] = BOX_NativeString(", ");
+        REGB2 = TAG_Int(2);
+        fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB2);
+        once_value_10 = fra.me.REG[9];
+        register_static_object(&once_value_10);
+      } else fra.me.REG[9] = once_value_10;
+      fra.me.REG[9] = fra.me.REG[9];
+      fra.me.REG[9] = CALL_string___Collection___join(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[9]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
+      if (!once_value_11) {
+        fra.me.REG[9] = BOX_NativeString(". Use explicit designation.");
+        REGB2 = TAG_Int(27);
+        fra.me.REG[9] = NEW_String_string___String___with_native(fra.me.REG[9], REGB2);
+        once_value_11 = fra.me.REG[9];
+        register_static_object(&once_value_11);
+      } else fra.me.REG[9] = once_value_11;
+      fra.me.REG[9] = fra.me.REG[9];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[9]);
+      fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[8]);
+      /* ./syntax//typing.nit:1346 */
+      fra.me.REG[4] = NIT_NULL;
+      goto label7;
+    } else {
+      /* ./../lib/standard//collection//array.nit:23 */
+      REGB2 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[7])!=NIT_NULL);
+      if (UNTAG_Bool(REGB2)) {
+      } else {
+        nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
       }
-      /* Register variable[8]: Result */
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      variable[8] =  variable[4] /*cla*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_218 != NIT_NULL) variable[8] = once_value_218;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString(" must be one in "), TAG_Int(16)) /*new String*/;
-        once_value_218 = variable[8];
+      REGB2 = ATTR_array___AbstractArrayRead____length(fra.me.REG[7]);
+      /* ./syntax//typing.nit:1347 */
+      REGB1 = TAG_Int(1);
+      REGB3 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB1));
+      if (UNTAG_Bool(REGB3)) {
+      } else {
+        /* ./../lib/standard//kernel.nit:207 */
+        REGB1 = TAG_Bool((REGB2)==(REGB1));
+        /* ./syntax//typing.nit:1347 */
+        REGB3 = REGB1;
       }
-      /* Register variable[8]: Result */
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_219 != NIT_NULL) variable[8] = once_value_219;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString(", "), TAG_Int(2)) /*new String*/;
-        once_value_219 = variable[8];
+      if (UNTAG_Bool(REGB3)) {
+        /* ./syntax//typing.nit:1348 */
+        fra.me.REG[7] = CALL_abstract_collection___Collection___first(fra.me.REG[7])(fra.me.REG[7]);
+        REGB3 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+        if (UNTAG_Bool(REGB3)) {
+          nit_abort("Reciever is null", NULL, LOCATE_typing, 1348);
+        }
+        fra.me.REG[7] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[7])(fra.me.REG[7]);
+        fra.me.REG[7] = CALL_abstractmetamodel___MMLocalClass_____bra(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[7]);
+        /* ./syntax//typing.nit:1349 */
+        REGB3 = TAG_Bool(VAL_ISA(fra.me.REG[7], COLOR_MMMethod, ID_MMMethod)) /*cast MMMethod*/;
+        if (UNTAG_Bool(REGB3)) {
+        } else {
+          nit_abort("Assert failed", NULL, LOCATE_typing, 1349);
+        }
+        /* ./syntax//typing.nit:1350 */
+        fra.me.REG[6] = fra.me.REG[7];
       }
-      /* Register variable[8]: Result */
-      /* Register variable[8]: Result */
-      variable[8] = CALL_string___Collection___join( variable[6] /*order*/)( variable[6] /*order*/, variable[8]) /*Collection::join*/;
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_220 != NIT_NULL) variable[8] = once_value_220;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-        once_value_220 = variable[8];
+    }
+  }
+  /* ./syntax//typing.nit:1354 */
+  REGB3 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+  if (UNTAG_Bool(REGB3)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB3 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[6])(fra.me.REG[6], NIT_NULL);
+      REGB3 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB3)) {
+    /* ./syntax//typing.nit:1355 */
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1356 */
+      REGB0 = TAG_Int(5);
+      fra.me.REG[7] = NEW_Array_array___Array___with_capacity(REGB0);
+      if (!once_value_12) {
+        fra.me.REG[5] = BOX_NativeString("Error: Method or variable '");
+        REGB0 = TAG_Int(27);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_12 = fra.me.REG[5];
+        register_static_object(&once_value_12);
+      } else fra.me.REG[5] = once_value_12;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[5]);
+      if (!once_value_13) {
+        fra.me.REG[5] = BOX_NativeString("' unknown in ");
+        REGB0 = TAG_Int(13);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_13 = fra.me.REG[5];
+        register_static_object(&once_value_13);
+      } else fra.me.REG[5] = once_value_13;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[5]);
+      if (!once_value_14) {
+        fra.me.REG[5] = BOX_NativeString(".");
+        REGB0 = TAG_Int(1);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_14 = fra.me.REG[5];
+        register_static_object(&once_value_14);
+      } else fra.me.REG[5] = once_value_14;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[5]);
+      fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[7]);
+    } else {
+      /* ./syntax//typing.nit:1358 */
+      REGB0 = TAG_Int(5);
+      fra.me.REG[7] = NEW_Array_array___Array___with_capacity(REGB0);
+      if (!once_value_15) {
+        fra.me.REG[5] = BOX_NativeString("Error: Method '");
+        REGB0 = TAG_Int(15);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_15 = fra.me.REG[5];
+        register_static_object(&once_value_15);
+      } else fra.me.REG[5] = once_value_15;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[5]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[3]);
+      if (!once_value_16) {
+        fra.me.REG[3] = BOX_NativeString("' doesn't exists in ");
+        REGB0 = TAG_Int(20);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_16 = fra.me.REG[3];
+        register_static_object(&once_value_16);
+      } else fra.me.REG[3] = once_value_16;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[3]);
+      fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[2]);
+      if (!once_value_17) {
+        fra.me.REG[2] = BOX_NativeString(".");
+        REGB0 = TAG_Int(1);
+        fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+        once_value_17 = fra.me.REG[2];
+        register_static_object(&once_value_17);
+      } else fra.me.REG[2] = once_value_17;
+      fra.me.REG[2] = fra.me.REG[2];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[2]);
+      fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[7]);
+    }
+    /* ./syntax//typing.nit:1360 */
+    fra.me.REG[4] = NIT_NULL;
+    goto label7;
+  }
+  /* ./syntax//typing.nit:1362 */
+  fra.me.REG[4] = fra.me.REG[6];
+  goto label7;
+  label7: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[4];
+}
+val_t typing___AAbsSendExpr___get_signature(val_t p0, val_t p1, val_t p2, val_t p3, val_t p4){
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1365;
+  fra.me.meth = LOCATE_typing___AAbsSendExpr___get_signature;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 6;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  fra.me.REG[3] = p3;
+  REGB0 = p4;
+  /* ./syntax//typing.nit:1368 */
+  fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[5] = CALL_syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_syntax_base___MMGlobalProperty___check_visibility(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[1], fra.me.REG[0], fra.me.REG[5], REGB0);
+  /* ./syntax//typing.nit:1369 */
+  fra.me.REG[2] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2]);
+  /* ./syntax//typing.nit:1370 */
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[3] = CALL_static_type___MMSignature___not_for_self(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = fra.me.REG[3];
+  }
+  /* ./syntax//typing.nit:1371 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[2];
+}
+val_t typing___AAbsSendExpr___prop(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1374;
+  fra.me.meth = LOCATE_typing___AAbsSendExpr___prop;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1375 */
+  fra.me.REG[0] = ATTR_typing___AAbsSendExpr____prop(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1375);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AAbsSendExpr___return_type(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1378;
+  fra.me.meth = LOCATE_typing___AAbsSendExpr___return_type;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1378 */
+  fra.me.REG[0] = ATTR_typing___AAbsSendExpr____return_type(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ASuperInitCall___register_super_init_call(val_t p0, val_t p1, val_t p2){
+  struct {struct stack_frame_t me; val_t MORE_REG[10];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+      static val_t once_value_4; /* Once value */
+      static val_t once_value_5; /* Once value */
+      static val_t once_value_6; /* Once value */
+        static val_t once_value_7; /* Once value */
+        static val_t once_value_8; /* Once value */
+		static val_t once_value_9; /* Once value */
+		static val_t once_value_10; /* Once value */
+		static val_t once_value_11; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1385;
+  fra.me.meth = LOCATE_typing___ASuperInitCall___register_super_init_call;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 11;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[9] = NIT_NULL;
+  fra.me.REG[10] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  /* ./syntax//typing.nit:1387 */
+  fra.me.REG[3] = CALL_parser_prod___ANode___parent(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_typing___TypingVisitor___top_block(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(IS_EQUAL_NN(fra.me.REG[3],fra.me.REG[4]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[4] = CALL_typing___TypingVisitor___top_block(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(IS_EQUAL_ON(fra.me.REG[0],fra.me.REG[4]));
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[4]);
+      REGB0 = REGB1;
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1388 */
+    REGB0 = TAG_Int(3);
+    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_1) {
+      fra.me.REG[3] = BOX_NativeString("Error: Constructor invocation ");
+      REGB0 = TAG_Int(30);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_1 = fra.me.REG[3];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[3] = once_value_1;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+    if (!once_value_2) {
+      fra.me.REG[3] = BOX_NativeString(" must not be in nested block.");
+      REGB0 = TAG_Int(29);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+      once_value_2 = fra.me.REG[3];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[3] = once_value_2;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+  }
+  /* ./syntax//typing.nit:1390 */
+  fra.me.REG[4] = CALL_syntax_base___AbsSyntaxVisitor___mmmodule(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[3] = CALL_abstractmetamodel___MMGlobalProperty___intro(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___local_class(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[3] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[3] = CALL_abstractmetamodel___MMModule_____bra(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+  /* ./syntax//typing.nit:1391 */
+  fra.me.REG[4] = NIT_NULL;
+  /* ./syntax//typing.nit:1392 */
+  fra.me.REG[5] = CALL_typing___TypingVisitor___explicit_super_init_calls(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(fra.me.REG[5]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1392);
+  }
+  /* ./syntax//typing.nit:1393 */
+  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[5])(fra.me.REG[5]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1394 */
+    fra.me.REG[6] = CALL_abstract_collection___SequenceRead___last(fra.me.REG[5])(fra.me.REG[5]);
+    REGB0 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 1394);
+    }
+    fra.me.REG[6] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[6])(fra.me.REG[6]);
+    fra.me.REG[6] = CALL_abstractmetamodel___MMGlobalProperty___intro(fra.me.REG[6])(fra.me.REG[6]);
+    fra.me.REG[6] = CALL_abstractmetamodel___MMLocalProperty___local_class(fra.me.REG[6])(fra.me.REG[6]);
+    fra.me.REG[4] = fra.me.REG[6];
+  }
+  /* ./syntax//typing.nit:1396 */
+  fra.me.REG[6] = CALL_syntax_base___AbsSyntaxVisitor___local_class(fra.me.REG[1])(fra.me.REG[1]);
+  fra.me.REG[6] = CALL_abstractmetamodel___MMLocalClass___cshe(fra.me.REG[6])(fra.me.REG[6]);
+  fra.me.REG[6] = CALL_partial_order___PartialOrderElement___reverse_linear_extension(fra.me.REG[6])(fra.me.REG[6]);
+  /* ./syntax//typing.nit:1397 */
+  fra.me.REG[7] = CALL_syntax_base___AbsSyntaxVisitor___local_class(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[3],fra.me.REG[7]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[7]);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1398 */
+    REGB0 = TAG_Bool(true);
+    CALL_typing___TypingVisitor___explicit_other_init_call__eq(fra.me.REG[1])(fra.me.REG[1], REGB0);
+  } else {
+    /* ./syntax//typing.nit:1399 */
+    REGB0 = CALL_abstract_collection___Collection___has(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[3]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1400 */
+      REGB0 = TAG_Int(5);
+      fra.me.REG[7] = NEW_Array_array___Array___with_capacity(REGB0);
+      if (!once_value_3) {
+        fra.me.REG[8] = BOX_NativeString("Error: Constructor of class ");
+        REGB0 = TAG_Int(28);
+        fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
+        once_value_3 = fra.me.REG[8];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[8] = once_value_3;
+      fra.me.REG[8] = fra.me.REG[8];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+      fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+      if (!once_value_4) {
+        fra.me.REG[8] = BOX_NativeString(" must be one in ");
+        REGB0 = TAG_Int(16);
+        fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
+        once_value_4 = fra.me.REG[8];
+        register_static_object(&once_value_4);
+      } else fra.me.REG[8] = once_value_4;
+      fra.me.REG[8] = fra.me.REG[8];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+      if (!once_value_5) {
+        fra.me.REG[8] = BOX_NativeString(", ");
+        REGB0 = TAG_Int(2);
+        fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
+        once_value_5 = fra.me.REG[8];
+        register_static_object(&once_value_5);
+      } else fra.me.REG[8] = once_value_5;
+      fra.me.REG[8] = fra.me.REG[8];
+      fra.me.REG[8] = CALL_string___Collection___join(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[8]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+      if (!once_value_6) {
+        fra.me.REG[8] = BOX_NativeString(".");
+        REGB0 = TAG_Int(1);
+        fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
+        once_value_6 = fra.me.REG[8];
+        register_static_object(&once_value_6);
+      } else fra.me.REG[8] = once_value_6;
+      fra.me.REG[8] = fra.me.REG[8];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+      fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[7]);
+    } else {
+      /* ./syntax//typing.nit:1401 */
+      REGB0 = TAG_Bool(IS_EQUAL_ON(fra.me.REG[3],fra.me.REG[4]));
+      if (UNTAG_Bool(REGB0)) {
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+        REGB0 = REGB1;
       }
-      /* Register variable[8]: Result */
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[7]: Result */
-      variable[7] = TAG_Bool(( variable[4] /*cla*/ ==  variable[5] /*prev_class*/) || (( variable[4] /*cla*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*cla*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*cla*/, variable[5] /*prev_class*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*cla*/)( variable[4] /*cla*/,  variable[5] /*prev_class*/) /*Object::==*/)))));
-      if (UNTAG_Bool(variable[7])) { /*if*/
-        variable[7] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[8]: Once String constant */
-        if (once_value_221 != NIT_NULL) variable[8] = once_value_221;
-        else {
-          variable[8] = NEW_String_string___String___with_native(BOX_NativeString("Error: Only one super constructor invocation of class "), TAG_Int(54)) /*new String*/;
-          once_value_221 = variable[8];
-        }
-        /* Register variable[8]: Result */
-        /* Ensure var variable[8]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-        variable[8] =  variable[4] /*cla*/ /* Ensure var: super-string element*/;
-        CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[8]: Once String constant */
-        if (once_value_222 != NIT_NULL) variable[8] = once_value_222;
-        else {
-          variable[8] = NEW_String_string___String___with_native(BOX_NativeString(" is allowed."), TAG_Int(12)) /*new String*/;
-          once_value_222 = variable[8];
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:1402 */
+        REGB0 = TAG_Int(3);
+        fra.me.REG[7] = NEW_Array_array___Array___with_capacity(REGB0);
+        if (!once_value_7) {
+          fra.me.REG[8] = BOX_NativeString("Error: Only one super constructor invocation of class ");
+          REGB0 = TAG_Int(54);
+          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
+          once_value_7 = fra.me.REG[8];
+          register_static_object(&once_value_7);
+        } else fra.me.REG[8] = once_value_7;
+        fra.me.REG[8] = fra.me.REG[8];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+        fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+        if (!once_value_8) {
+          fra.me.REG[8] = BOX_NativeString(" is allowed.");
+          REGB0 = TAG_Int(12);
+          fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB0);
+          once_value_8 = fra.me.REG[8];
+          register_static_object(&once_value_8);
+        } else fra.me.REG[8] = once_value_8;
+        fra.me.REG[8] = fra.me.REG[8];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[8]);
+        fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[7]);
+      } else {
+        /* ./../lib/standard//collection//array.nit:234 */
+        REGB0 = TAG_Int(0);
+        /* ./../lib/standard//collection//array.nit:235 */
+        REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+        if (UNTAG_Bool(REGB1)) {
+        } else {
+          nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 235);
         }
-        /* Register variable[8]: Result */
-        /* Ensure var variable[8]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-        /* Register variable[7]: Result */
-        variable[7] = CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/;
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::error*/;
-      } else { /*if*/
-        /* Register variable[7]: Local variable */
-        /* Register variable[8]: Result */
-        variable[8] = TAG_Bool(( variable[5] /*prev_class*/ ==  NIT_NULL /*null*/) || (( variable[5] /*prev_class*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[5] /*prev_class*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[5] /*prev_class*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[5] /*prev_class*/)( variable[5] /*prev_class*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-        variable[7] = variable[8];
-        /* Register variable[8]: For iterator */
-        variable[8] = CALL_abstract_collection___Collection___iterator( variable[6] /*order*/)( variable[6] /*order*/) /*AbstractArrayRead::iterator*/;
-        while (true) { /*for*/
-          /* Register variable[9]: For 'is_ok' result */
-          variable[9] = CALL_abstract_collection___Iterator___is_ok(variable[8])(variable[8]) /*ArrayIterator::is_ok*/;
-          if (!UNTAG_Bool(variable[9])) break; /*for*/
-          variable[9] = CALL_abstract_collection___Iterator___item(variable[8])(variable[8]) /*ArrayIterator::item*/ /* Ensure var: For item*/;
-          /* Register variable[10]: Local variable */
-          variable[10] = variable[9];
-          /* Register variable[11]: Result */
-          variable[11] = TAG_Bool(( variable[10] /*c*/ ==  variable[5] /*prev_class*/) || (( variable[10] /*c*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[10] /*c*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[10] /*c*/, variable[5] /*prev_class*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[10] /*c*/)( variable[10] /*c*/,  variable[5] /*prev_class*/) /*Object::==*/)))));
-          if (UNTAG_Bool(variable[11])) { /*if*/
-            variable[7] =  TAG_Bool(true) /*last_is_found=*/;
-          } else { /*if*/
-            /* Register variable[11]: Result */
-            variable[11] = TAG_Bool(( variable[10] /*c*/ ==  variable[4] /*cla*/) || (( variable[10] /*c*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[10] /*c*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[10] /*c*/, variable[4] /*cla*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[10] /*c*/)( variable[10] /*c*/,  variable[4] /*cla*/) /*Object::==*/)))));
-            if (UNTAG_Bool(variable[11])) { /*if*/
-              if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool( variable[7] /*last_is_found*/)))) { /*if*/
-		variable[11] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-		/* Register variable[12]: Once String constant */
-		if (once_value_224 != NIT_NULL) variable[12] = once_value_224;
-		else {
-		variable[12] = NEW_String_string___String___with_native(BOX_NativeString("Error: Constructor of "), TAG_Int(22)) /*new String*/;
-		once_value_224 = variable[12];
+        REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+        /* ./../lib/standard//collection//array.nit:236 */
+        fra.me.REG[7] = ATTR_array___Array____items(fra.me.REG[6]);
+        /* ./../lib/standard//collection//array.nit:237 */
+        while(1) {
+          /* ./../lib/standard//collection//array.nit:23 */
+          REGB1 = TAG_Bool(ATTR_array___AbstractArrayRead____length(fra.me.REG[6])!=NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+          } else {
+            nit_abort("Uninitialized attribute %s", "_length", LOCATE_array, 23);
+          }
+          REGB1 = ATTR_array___AbstractArrayRead____length(fra.me.REG[6]);
+          /* ./../lib/standard//kernel.nit:212 */
+          REGB1 = TAG_Bool(UNTAG_Int(REGB0)<UNTAG_Int(REGB1));
+          /* ./../lib/standard//collection//array.nit:237 */
+          if (UNTAG_Bool(REGB1)) {
+            /* ./../lib/standard//collection//array.nit:238 */
+            REGB1 = TAG_Bool(fra.me.REG[7]==NIT_NULL);
+            if (UNTAG_Bool(REGB1)) {
+              nit_abort("Reciever is null", NULL, LOCATE_array, 238);
+            }
+            /* ./../lib/standard//collection//array.nit:654 */
+            fra.me.REG[8] = ((Nit_NativeArray)fra.me.REG[7])->val[UNTAG_Int(REGB0)];
+            /* ./syntax//typing.nit:1405 */
+            REGB1 = TAG_Bool(IS_EQUAL_ON(fra.me.REG[8],fra.me.REG[4]));
+            if (UNTAG_Bool(REGB1)) {
+            } else {
+              REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[4]);
+              REGB1 = REGB2;
+            }
+            if (UNTAG_Bool(REGB1)) {
+              /* ./syntax//typing.nit:1406 */
+              fra.me.REG[4] = NIT_NULL;
+            } else {
+              /* ./syntax//typing.nit:1407 */
+              REGB1 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[8],fra.me.REG[3]));
+              if (UNTAG_Bool(REGB1)) {
+              } else {
+		REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+		REGB1 = REGB2;
+              }
+              if (UNTAG_Bool(REGB1)) {
+		/* ./syntax//typing.nit:1408 */
+		REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+		if (UNTAG_Bool(REGB1)) {
+		} else {
+		REGB2 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+		if (UNTAG_Bool(REGB2)) {
+		REGB2 = TAG_Bool(false);
+		REGB1 = REGB2;
+		} else {
+		REGB2 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+		REGB1 = REGB2;
 		}
-		/* Register variable[12]: Result */
-		/* Ensure var variable[12]: super-string element*/
-		CALL_abstract_collection___SimpleCollection___add(variable[11])(variable[11], variable[12]) /*AbstractArray::add*/;
-		variable[12] =  variable[10] /*c*/ /* Ensure var: super-string element*/;
-		CALL_abstract_collection___SimpleCollection___add(variable[11])(variable[11], CALL_string___Object___to_s(variable[12])(variable[12]) /*Object::to_s*/) /*AbstractArray::add*/;
-		/* Register variable[12]: Once String constant */
-		if (once_value_225 != NIT_NULL) variable[12] = once_value_225;
-		else {
-		variable[12] = NEW_String_string___String___with_native(BOX_NativeString(" must be invoked before constructor of "), TAG_Int(39)) /*new String*/;
-		once_value_225 = variable[12];
 		}
-		/* Register variable[12]: Result */
-		/* Ensure var variable[12]: super-string element*/
-		CALL_abstract_collection___SimpleCollection___add(variable[11])(variable[11], variable[12]) /*AbstractArray::add*/;
-		variable[12] =  variable[5] /*prev_class*/ /* Ensure var: super-string element*/;
-		CALL_abstract_collection___SimpleCollection___add(variable[11])(variable[11], CALL_string___Object___to_s(variable[12])(variable[12]) /*Object::to_s*/) /*AbstractArray::add*/;
-		/* Register variable[12]: Once String constant */
-		if (once_value_226 != NIT_NULL) variable[12] = once_value_226;
-		else {
-		variable[12] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-		once_value_226 = variable[12];
+		REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+		if (UNTAG_Bool(REGB1)) {
+		/* ./syntax//typing.nit:1409 */
+		REGB1 = TAG_Int(5);
+		fra.me.REG[9] = NEW_Array_array___Array___with_capacity(REGB1);
+		if (!once_value_9) {
+		fra.me.REG[10] = BOX_NativeString("Error: Constructor of ");
+		REGB1 = TAG_Int(22);
+		fra.me.REG[10] = NEW_String_string___String___with_native(fra.me.REG[10], REGB1);
+		once_value_9 = fra.me.REG[10];
+		register_static_object(&once_value_9);
+		} else fra.me.REG[10] = once_value_9;
+		fra.me.REG[10] = fra.me.REG[10];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[10]);
+		fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[8])(fra.me.REG[8]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+		if (!once_value_10) {
+		fra.me.REG[8] = BOX_NativeString(" must be invoked before constructor of ");
+		REGB1 = TAG_Int(39);
+		fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+		once_value_10 = fra.me.REG[8];
+		register_static_object(&once_value_10);
+		} else fra.me.REG[8] = once_value_10;
+		fra.me.REG[8] = fra.me.REG[8];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+		fra.me.REG[8] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+		if (!once_value_11) {
+		fra.me.REG[8] = BOX_NativeString("");
+		REGB1 = TAG_Int(0);
+		fra.me.REG[8] = NEW_String_string___String___with_native(fra.me.REG[8], REGB1);
+		once_value_11 = fra.me.REG[8];
+		register_static_object(&once_value_11);
+		} else fra.me.REG[8] = once_value_11;
+		fra.me.REG[8] = fra.me.REG[8];
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[9])(fra.me.REG[9], fra.me.REG[8]);
+		fra.me.REG[9] = CALL_string___Object___to_s(fra.me.REG[9])(fra.me.REG[9]);
+		CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[9]);
 		}
-		/* Register variable[12]: Result */
-		/* Ensure var variable[12]: super-string element*/
-		CALL_abstract_collection___SimpleCollection___add(variable[11])(variable[11], variable[12]) /*AbstractArray::add*/;
-		/* Register variable[11]: Result */
-		variable[11] = CALL_string___Object___to_s(variable[11])(variable[11]) /*Object::to_s*/;
-		CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[11]) /*AbsSyntaxVisitor::error*/;
+		/* ./syntax//typing.nit:1411 */
+		CALL_abstract_collection___SimpleCollection___add(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[2]);
+		/* ./syntax//typing.nit:1412 */
+		goto label12;
               }
-              /* Register variable[11]: Result */
-              variable[11] = CALL_typing___TypingVisitor___explicit_super_init_calls( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::explicit_super_init_calls*/;
-              CALL_abstract_collection___SimpleCollection___add(variable[11])(variable[11],  variable[2] /*property*/) /*AbstractArray::add*/;
-              goto break_223;
             }
+            /* ./../lib/standard//collection//array.nit:239 */
+            REGB1 = TAG_Int(1);
+            /* ./../lib/standard//kernel.nit:215 */
+            REGB1 = TAG_Int(UNTAG_Int(REGB0)+UNTAG_Int(REGB1));
+            /* ./../lib/standard//collection//array.nit:239 */
+            REGB0 = REGB1;
+          } else {
+            /* ./../lib/standard//collection//array.nit:237 */
+            goto label13;
           }
-          continue_223: while(0);
-          CALL_abstract_collection___Iterator___next(variable[8])(variable[8]) /*ArrayIterator::next*/;
         }
-        break_223: while(0);
+        label13: while(0);
+        label12: while(0);
       }
     }
   }
-  return_label214: while(false);
-  tracehead = trace.prev;
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ANewExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1208, LOCATE_typing___ANewExpr___after_typing};
-    static val_t once_value_228 = NIT_NULL; /* Once value for string variable[5]*/
-    static val_t once_value_229 = NIT_NULL; /* Once value for string variable[5]*/
-    static val_t once_value_230; static int once_bool_230; /* Once value for variable[5]*/
-      static val_t once_value_231 = NIT_NULL; /* Once value for string variable[5]*/
-    static val_t once_value_232 = NIT_NULL; /* Once value for string variable[6]*/
-    static val_t once_value_233 = NIT_NULL; /* Once value for string variable[6]*/
-  val_t variable[7];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___ANewExpr___n_type(variable[0])(variable[0]) /*ANewExpr::n_type*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___PType___stype(variable[4])(variable[4]) /*PType::stype*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(( variable[3] /*t*/ ==  NIT_NULL /*null*/) || (( variable[3] /*t*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*t*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*t*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*t*/)( variable[3] /*t*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    goto return_label227;
-  }
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMType___local_class( variable[3] /*t*/)( variable[3] /*t*/) /*MMType::local_class*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstractmetamodel___MMLocalClass___global(variable[4])(variable[4]) /*MMLocalClass::global*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstractmetamodel___MMGlobalClass___is_abstract(variable[4])(variable[4]) /*MMGlobalClass::is_abstract*/;
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    variable[4] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_228 != NIT_NULL) variable[5] = once_value_228;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: try to instantiate abstract class "), TAG_Int(41)) /*new String*/;
-      once_value_228 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_static_type___MMType___local_class( variable[3] /*t*/)( variable[3] /*t*/) /*MMType::local_class*/;
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_229 != NIT_NULL) variable[5] = once_value_229;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-      once_value_229 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    /* Ensure var variable[5]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-    goto return_label227;
-  }
-  /* Register variable[4]: Local variable */
-  /*variable[4] is variable name*/
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___ANewExpr___n_id(variable[0])(variable[0]) /*ANewExpr::n_id*/;
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    /* Register variable[5]: Once expression result */
-    if (once_bool_230) variable[5] = once_value_230;
-    else {
-      /* Register variable[5]: Once String constant */
-      if (once_value_231 != NIT_NULL) variable[5] = once_value_231;
-      else {
-        variable[5] = NEW_String_string___String___with_native(BOX_NativeString("init"), TAG_Int(4)) /*new String*/;
-        once_value_231 = variable[5];
-      }
-      /* Register variable[5]: Result */
-      /* Register variable[5]: Result */
-      variable[5] = CALL_symbol___String___to_symbol(variable[5])(variable[5]) /*String::to_symbol*/;
-      once_value_230 = variable[5];
-      once_bool_230 = true;
-    }
-    /* Register variable[5]: Result */
-    variable[4] = variable[5] /*name=*/;
-  } else { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_parser_nodes___ANewExpr___n_id(variable[0])(variable[0]) /*ANewExpr::n_id*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_syntax_base___Token___to_symbol(variable[5])(variable[5]) /*Token::to_symbol*/;
-    variable[4] = variable[5] /*name=*/;
-  }
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___ANewExpr___n_args(variable[0])(variable[0]) /*ANewExpr::n_args*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_array___Collection___to_a(variable[5])(variable[5]) /*Collection::to_a*/;
-  CALL_typing___AAbsSendExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/,  variable[3] /*t*/,  TAG_Bool(false),  TAG_Bool(false),  variable[4] /*name*/, variable[5],  NIT_NULL /*null*/) /*AAbsSendExpr::do_typing*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool((variable[5] ==  NIT_NULL /*null*/) || ((variable[5] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[5])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[5], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[5])(variable[5],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    goto return_label227;
-  }
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_abstractmetamodel___MMLocalProperty___global(variable[5])(variable[5]) /*MMLocalProperty::global*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[5])(variable[5]) /*MMGlobalProperty::is_init*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[5])))) { /*if*/
-    variable[5] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[6]: Once String constant */
-    if (once_value_232 != NIT_NULL) variable[6] = once_value_232;
-    else {
-      variable[6] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-      once_value_232 = variable[6];
-    }
-    /* Register variable[6]: Result */
-    /* Ensure var variable[6]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-    /* Ensure var variable[6]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[6]: Once String constant */
-    if (once_value_233 != NIT_NULL) variable[6] = once_value_233;
-    else {
-      variable[6] = NEW_String_string___String___with_native(BOX_NativeString(" is not a constructor."), TAG_Int(22)) /*new String*/;
-      once_value_233 = variable[6];
-    }
-    /* Register variable[6]: Result */
-    /* Ensure var variable[6]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-    goto return_label227;
-  }
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ =  variable[3] /*t*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label227: while(false);
-  tracehead = trace.prev;
-  return;
-}
-void typing___ASendExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1247, LOCATE_typing___ASendExpr___after_typing};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_typing___ASendExpr___do_all_typing(variable[0])(variable[0],  variable[1] /*v*/) /*ASendExpr::do_all_typing*/;
-  return_label234: while(false);
-  tracehead = trace.prev;
+val_t typing___ANewExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1421;
+  fra.me.meth = LOCATE_typing___ANewExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1421 */
+  fra.me.REG[0] = CALL_parser_nodes___ANewExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ANewExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+    static val_t once_value_4; /* Once value */
+      static val_t once_value_5; /* Once value */
+    static val_t once_value_6; /* Once value */
+    static val_t once_value_7; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1422;
+  fra.me.meth = LOCATE_typing___ANewExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1424 */
+  fra.me.REG[2] = CALL_parser_nodes___ANewExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AType___is_typed(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1425 */
+  fra.me.REG[2] = CALL_parser_nodes___ANewExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_syntax_base___AType___stype(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1426 */
+  fra.me.REG[3] = CALL_static_type___MMType___local_class(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[3] = CALL_abstractmetamodel___MMLocalClass___global(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = CALL_abstractmetamodel___MMGlobalClass___is_abstract(fra.me.REG[3])(fra.me.REG[3]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1427 */
+    REGB0 = TAG_Int(3);
+    fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_2) {
+      fra.me.REG[4] = BOX_NativeString("Error: try to instantiate abstract class ");
+      REGB0 = TAG_Int(41);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+      once_value_2 = fra.me.REG[4];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[4] = once_value_2;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[4] = CALL_static_type___MMType___local_class(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    if (!once_value_3) {
+      fra.me.REG[4] = BOX_NativeString(".");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+      once_value_3 = fra.me.REG[4];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[4] = once_value_3;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[4]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+    /* ./syntax//typing.nit:1428 */
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1431 */
+  fra.me.REG[3] = CALL_parser_nodes___ANewExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1432 */
+    if (!once_value_4) {
+      if (!once_value_5) {
+        fra.me.REG[3] = BOX_NativeString("init");
+        REGB0 = TAG_Int(4);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_5 = fra.me.REG[3];
+        register_static_object(&once_value_5);
+      } else fra.me.REG[3] = once_value_5;
+      fra.me.REG[3] = fra.me.REG[3];
+      fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+      once_value_4 = fra.me.REG[3];
+      register_static_object(&once_value_4);
+    } else fra.me.REG[3] = once_value_4;
+    fra.me.REG[3] = fra.me.REG[3];
+  } else {
+    /* ./syntax//typing.nit:1434 */
+    fra.me.REG[4] = CALL_parser_nodes___ANewExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      nit_abort("Reciever is null", NULL, LOCATE_typing, 1434);
+    }
+    fra.me.REG[4] = CALL_syntax_base___Token___to_symbol(fra.me.REG[4])(fra.me.REG[4]);
+    fra.me.REG[3] = fra.me.REG[4];
+  }
+  /* ./syntax//typing.nit:1437 */
+  REGB0 = TAG_Bool(false);
+  REGB1 = TAG_Bool(false);
+  fra.me.REG[4] = CALL_syntax_base___AAbsAbsSendExpr___raw_arguments(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___AAbsSendExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], REGB0, REGB1, fra.me.REG[3], fra.me.REG[4], NIT_NULL);
+  /* ./syntax//typing.nit:1438 */
+  fra.me.REG[4] = ATTR_typing___AAbsSendExpr____prop(fra.me.REG[0]);
+  REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(false);
+      REGB1 = REGB0;
+    } else {
+      REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB1 = REGB0;
+    }
+  }
+  if (UNTAG_Bool(REGB1)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1440 */
+  fra.me.REG[4] = CALL_syntax_base___AAbsSendExpr___prop(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:1441 */
+    REGB1 = TAG_Int(3);
+    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
+    if (!once_value_6) {
+      fra.me.REG[3] = BOX_NativeString("Error: ");
+      REGB1 = TAG_Int(7);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+      once_value_6 = fra.me.REG[3];
+      register_static_object(&once_value_6);
+    } else fra.me.REG[3] = once_value_6;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+    fra.me.REG[3] = CALL_syntax_base___AAbsSendExpr___prop(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+    if (!once_value_7) {
+      fra.me.REG[3] = BOX_NativeString(" is not a constructor.");
+      REGB1 = TAG_Int(22);
+      fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+      once_value_7 = fra.me.REG[3];
+      register_static_object(&once_value_7);
+    } else fra.me.REG[3] = once_value_7;
+    fra.me.REG[3] = fra.me.REG[3];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+    /* ./syntax//typing.nit:1442 */
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1444 */
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:1445 */
+  REGB1 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ASendExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1238, LOCATE_typing___ASendExpr___name};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_typing, 1238);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t typing___ASendExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1451;
+  fra.me.meth = LOCATE_typing___ASendExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./syntax//typing.nit:1451 */
+  nit_abort("Deferred method called", NULL, LOCATE_typing, 1451);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t typing___ASendExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1241, LOCATE_typing___ASendExpr___raw_arguments};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_typing, 1241);
-  nit_exit(1);
-  tracehead = trace.prev;
-  return NIT_NULL;
+val_t typing___ASendExpr___closure_defs(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1454;
+  fra.me.meth = LOCATE_typing___ASendExpr___closure_defs;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1455 */
+  fra.me.REG[0] = NIT_NULL;
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ASendExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1457;
+  fra.me.meth = LOCATE_typing___ASendExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1459 */
+  CALL_typing___ASendExpr___do_all_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  stack_frame_head = fra.me.prev;
+  return;
 }
-val_t typing___ASendExpr___closure_defs(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1244, LOCATE_typing___ASendExpr___closure_defs};
-  val_t variable[2];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  variable[1] =  NIT_NULL /*null*/;
-  goto return_label235;
-  return_label235: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___ASendExpr___do_all_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1252, LOCATE_typing___ASendExpr___do_all_typing};
-      static val_t once_value_237 = NIT_NULL; /* Once value for string variable[4]*/
-      static val_t once_value_238 = NIT_NULL; /* Once value for string variable[4]*/
-        static val_t once_value_239 = NIT_NULL; /* Once value for string variable[4]*/
-        static val_t once_value_240 = NIT_NULL; /* Once value for string variable[4]*/
-  val_t variable[9];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___check_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*AbsSyntaxVisitor::check_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    goto return_label236;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___PExpr___is_implicit_self(variable[4])(variable[4]) /*PExpr::is_implicit_self*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___PExpr___is_self(variable[5])(variable[5]) /*PExpr::is_self*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___ASendExpr___name(variable[0])(variable[0]) /*ASendExpr::name*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___ASendExpr___raw_arguments(variable[0])(variable[0]) /*ASendExpr::raw_arguments*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_typing___ASendExpr___closure_defs(variable[0])(variable[0]) /*ASendExpr::closure_defs*/;
-  CALL_typing___AAbsSendExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/, variable[3], variable[4], variable[5], variable[6], variable[7], variable[8]) /*AAbsSendExpr::do_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    goto return_label236;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_abstractmetamodel___MMLocalProperty___global(variable[3])(variable[3]) /*MMLocalProperty::global*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[3])(variable[3]) /*MMGlobalProperty::is_init*/;
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_abstractmetamodel___MMLocalProperty___global(variable[3])(variable[3]) /*MMLocalProperty::global*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[3])(variable[3]) /*MMGlobalProperty::is_init*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-      variable[3] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[4]: Once String constant */
-      if (once_value_237 != NIT_NULL) variable[4] = once_value_237;
-      else {
-        variable[4] = NEW_String_string___String___with_native(BOX_NativeString("Error: try to invoke constructor "), TAG_Int(33)) /*new String*/;
-        once_value_237 = variable[4];
-      }
-      /* Register variable[4]: Result */
-      /* Ensure var variable[4]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-      /* Register variable[4]: Result */
-      variable[4] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-      /* Ensure var variable[4]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[4]: Once String constant */
-      if (once_value_238 != NIT_NULL) variable[4] = once_value_238;
-      else {
-        variable[4] = NEW_String_string___String___with_native(BOX_NativeString(" in a method."), TAG_Int(13)) /*new String*/;
-        once_value_238 = variable[4];
-      }
-      /* Register variable[4]: Result */
-      /* Ensure var variable[4]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-      /* Register variable[3]: Result */
-      variable[3] = CALL_string___Object___to_s(variable[3])(variable[3]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[3]: Result */
-      variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-      /* Register variable[3]: Result */
-      variable[3] = CALL_typing___PExpr___is_self(variable[3])(variable[3]) /*PExpr::is_self*/;
-      if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-        variable[3] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[4]: Once String constant */
-        if (once_value_239 != NIT_NULL) variable[4] = once_value_239;
-        else {
-          variable[4] = NEW_String_string___String___with_native(BOX_NativeString("Error: constructor "), TAG_Int(19)) /*new String*/;
-          once_value_239 = variable[4];
-        }
-        /* Register variable[4]: Result */
-        /* Ensure var variable[4]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-        /* Register variable[4]: Result */
-        variable[4] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-        /* Ensure var variable[4]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[4]: Once String constant */
-        if (once_value_240 != NIT_NULL) variable[4] = once_value_240;
-        else {
-          variable[4] = NEW_String_string___String___with_native(BOX_NativeString(" is not invoken on 'self'."), TAG_Int(26)) /*new String*/;
-          once_value_240 = variable[4];
-        }
-        /* Register variable[4]: Result */
-        /* Ensure var variable[4]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[3])(variable[3], variable[4]) /*AbstractArray::add*/;
-        /* Register variable[3]: Result */
-        variable[3] = CALL_string___Object___to_s(variable[3])(variable[3]) /*Object::to_s*/;
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::error*/;
-      } else { /*if*/
-        /* Register variable[3]: Result */
-        variable[3] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-        CALL_typing___ASuperInitCall___register_super_init_call(variable[0])(variable[0],  variable[1] /*v*/, variable[3]) /*ASuperInitCall::register_super_init_call*/;
+void typing___ASendExpr___do_all_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+      static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+        static val_t once_value_4; /* Once value */
+        static val_t once_value_5; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1462;
+  fra.me.meth = LOCATE_typing___ASendExpr___do_all_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 6;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1464 */
+  fra.me.REG[2] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1465 */
+  fra.me.REG[2] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[3] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_typing___AExpr___is_implicit_self(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[3] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_typing___AExpr___is_self(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[3] = CALL_typing___ASendExpr___name(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_syntax_base___AAbsAbsSendExpr___raw_arguments(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[5] = CALL_syntax_base___ASendExpr___closure_defs(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___AAbsSendExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], REGB0, REGB1, fra.me.REG[3], fra.me.REG[4], fra.me.REG[5]);
+  /* ./syntax//typing.nit:1466 */
+  fra.me.REG[5] = ATTR_typing___AAbsSendExpr____prop(fra.me.REG[0]);
+  REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(false);
+      REGB1 = REGB0;
+    } else {
+      REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
+      REGB1 = REGB0;
+    }
+  }
+  if (UNTAG_Bool(REGB1)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1467 */
+  fra.me.REG[5] = ATTR_typing___AAbsSendExpr____prop(fra.me.REG[0]);
+  REGB1 = TAG_Bool(fra.me.REG[5]!=NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1467);
+  }
+  /* ./syntax//typing.nit:1469 */
+  fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[5])(fra.me.REG[5]);
+  REGB1 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[4])(fra.me.REG[4]);
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:1470 */
+    fra.me.REG[4] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[4] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[4])(fra.me.REG[4]);
+    REGB1 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[4])(fra.me.REG[4]);
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    if (UNTAG_Bool(REGB1)) {
+      /* ./syntax//typing.nit:1471 */
+      REGB1 = TAG_Int(3);
+      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
+      if (!once_value_2) {
+        fra.me.REG[3] = BOX_NativeString("Error: try to invoke constructor ");
+        REGB1 = TAG_Int(33);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+        once_value_2 = fra.me.REG[3];
+        register_static_object(&once_value_2);
+      } else fra.me.REG[3] = once_value_2;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+      if (!once_value_3) {
+        fra.me.REG[3] = BOX_NativeString(" in a method.");
+        REGB1 = TAG_Int(13);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+        once_value_3 = fra.me.REG[3];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[3] = once_value_3;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+    } else {
+      /* ./syntax//typing.nit:1472 */
+      fra.me.REG[4] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+      REGB1 = CALL_typing___AExpr___is_self(fra.me.REG[4])(fra.me.REG[4]);
+      REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+      if (UNTAG_Bool(REGB1)) {
+        /* ./syntax//typing.nit:1473 */
+        REGB1 = TAG_Int(3);
+        fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB1);
+        if (!once_value_4) {
+          fra.me.REG[3] = BOX_NativeString("Error: constructor ");
+          REGB1 = TAG_Int(19);
+          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+          once_value_4 = fra.me.REG[3];
+          register_static_object(&once_value_4);
+        } else fra.me.REG[3] = once_value_4;
+        fra.me.REG[3] = fra.me.REG[3];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+        fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[5])(fra.me.REG[5]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+        if (!once_value_5) {
+          fra.me.REG[3] = BOX_NativeString(" is not invoken on 'self'.");
+          REGB1 = TAG_Int(26);
+          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB1);
+          once_value_5 = fra.me.REG[3];
+          register_static_object(&once_value_5);
+        } else fra.me.REG[3] = once_value_5;
+        fra.me.REG[3] = fra.me.REG[3];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+        fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+      } else {
+        /* ./syntax//typing.nit:1475 */
+        CALL_typing___ASuperInitCall___register_super_init_call(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[5]);
       }
     }
   }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___AAbsSendExpr___return_type(variable[0])(variable[0]) /*AAbsSendExpr::return_type*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label236: while(false);
-  tracehead = trace.prev;
+  /* ./syntax//typing.nit:1479 */
+  fra.me.REG[5] = CALL_syntax_base___AAbsSendExpr___return_type(fra.me.REG[0])(fra.me.REG[0]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[5];
+  /* ./syntax//typing.nit:1480 */
+  REGB1 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ASendReassignExpr___do_all_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1277, LOCATE_typing___ASendReassignExpr___do_all_typing};
-      static val_t once_value_242 = NIT_NULL; /* Once value for string variable[5]*/
-      static val_t once_value_243 = NIT_NULL; /* Once value for string variable[5]*/
-        static val_t once_value_244 = NIT_NULL; /* Once value for string variable[5]*/
-        static val_t once_value_245 = NIT_NULL; /* Once value for string variable[5]*/
-  static val_t once_value_246 = NIT_NULL; /* Once value for string variable[11]*/
-  static val_t once_value_247 = NIT_NULL; /* Once value for string variable[11]*/
-      static val_t once_value_248 = NIT_NULL; /* Once value for string variable[8]*/
-      static val_t once_value_249 = NIT_NULL; /* Once value for string variable[8]*/
-        static val_t once_value_250 = NIT_NULL; /* Once value for string variable[8]*/
-        static val_t once_value_251 = NIT_NULL; /* Once value for string variable[8]*/
-  val_t variable[12];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___check_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*AbsSyntaxVisitor::check_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    goto return_label241;
-  }
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___ASendExpr___raw_arguments(variable[0])(variable[0]) /*ASendExpr::raw_arguments*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___PExpr___stype(variable[4])(variable[4]) /*PExpr::stype*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___PExpr___is_implicit_self(variable[5])(variable[5]) /*PExpr::is_implicit_self*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___PExpr___is_self(variable[6])(variable[6]) /*PExpr::is_self*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___ASendExpr___name(variable[0])(variable[0]) /*ASendExpr::name*/;
-  CALL_typing___AAbsSendExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/, variable[4], variable[5], variable[6], variable[7],  variable[3] /*raw_args*/,  NIT_NULL /*null*/) /*AAbsSendExpr::do_typing*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool((variable[4] ==  NIT_NULL /*null*/) || ((variable[4] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[4])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[4], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[4])(variable[4],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    goto return_label241;
-  }
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstractmetamodel___MMLocalProperty___global(variable[4])(variable[4]) /*MMLocalProperty::global*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[4])(variable[4]) /*MMGlobalProperty::is_init*/;
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_abstractmetamodel___MMLocalProperty___global(variable[4])(variable[4]) /*MMLocalProperty::global*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[4])(variable[4]) /*MMGlobalProperty::is_init*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[4])))) { /*if*/
-      variable[4] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[5]: Once String constant */
-      if (once_value_242 != NIT_NULL) variable[5] = once_value_242;
-      else {
-        variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: try to invoke constructor "), TAG_Int(33)) /*new String*/;
-        once_value_242 = variable[5];
-      }
-      /* Register variable[5]: Result */
-      /* Ensure var variable[5]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-      /* Register variable[5]: Result */
-      variable[5] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-      /* Ensure var variable[5]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[5]: Once String constant */
-      if (once_value_243 != NIT_NULL) variable[5] = once_value_243;
-      else {
-        variable[5] = NEW_String_string___String___with_native(BOX_NativeString(" in a method."), TAG_Int(13)) /*new String*/;
-        once_value_243 = variable[5];
-      }
-      /* Register variable[5]: Result */
-      /* Ensure var variable[5]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-      /* Register variable[4]: Result */
-      variable[4] = CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[4]: Result */
-      variable[4] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-      /* Register variable[4]: Result */
-      variable[4] = CALL_typing___PExpr___is_self(variable[4])(variable[4]) /*PExpr::is_self*/;
-      if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[4])))) { /*if*/
-        variable[4] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[5]: Once String constant */
-        if (once_value_244 != NIT_NULL) variable[5] = once_value_244;
-        else {
-          variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Error: constructor "), TAG_Int(19)) /*new String*/;
-          once_value_244 = variable[5];
-        }
-        /* Register variable[5]: Result */
-        /* Ensure var variable[5]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-        /* Register variable[5]: Result */
-        variable[5] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-        /* Ensure var variable[5]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[5]: Once String constant */
-        if (once_value_245 != NIT_NULL) variable[5] = once_value_245;
-        else {
-          variable[5] = NEW_String_string___String___with_native(BOX_NativeString(" is not invoken on 'self'."), TAG_Int(26)) /*new String*/;
-          once_value_245 = variable[5];
-        }
-        /* Register variable[5]: Result */
-        /* Ensure var variable[5]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[4])(variable[4], variable[5]) /*AbstractArray::add*/;
-        /* Register variable[4]: Result */
-        variable[4] = CALL_string___Object___to_s(variable[4])(variable[4]) /*Object::to_s*/;
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[4]) /*AbsSyntaxVisitor::error*/;
-      }
+val_t typing___ASendReassignExpr___read_prop(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1485;
+  fra.me.meth = LOCATE_typing___ASendReassignExpr___read_prop;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1485 */
+  fra.me.REG[0] = ATTR_typing___ASendReassignExpr____read_prop(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1485);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ASendReassignExpr___do_all_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[6];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t tmp;
+      static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+        static val_t once_value_4; /* Once value */
+        static val_t once_value_5; /* Once value */
+  static val_t once_value_6; /* Once value */
+  static val_t once_value_7; /* Once value */
+      static val_t once_value_8; /* Once value */
+      static val_t once_value_9; /* Once value */
+        static val_t once_value_10; /* Once value */
+        static val_t once_value_11; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1487;
+  fra.me.meth = LOCATE_typing___ASendReassignExpr___do_all_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 7;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1489 */
+  fra.me.REG[2] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1490 */
+  fra.me.REG[2] = CALL_syntax_base___AAbsAbsSendExpr___raw_arguments(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./syntax//typing.nit:1491 */
+  fra.me.REG[3] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AExpr___stype(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[4] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_typing___AExpr___is_implicit_self(fra.me.REG[4])(fra.me.REG[4]);
+  fra.me.REG[4] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_typing___AExpr___is_self(fra.me.REG[4])(fra.me.REG[4]);
+  fra.me.REG[4] = CALL_typing___ASendExpr___name(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___AAbsSendExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[3], REGB0, REGB1, fra.me.REG[4], fra.me.REG[2], NIT_NULL);
+  /* ./syntax//typing.nit:1492 */
+  fra.me.REG[4] = ATTR_typing___AAbsSendExpr____prop(fra.me.REG[0]);
+  /* ./syntax//typing.nit:1493 */
+  REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(false);
+      REGB1 = REGB0;
+    } else {
+      REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[4])(fra.me.REG[4], NIT_NULL);
+      REGB1 = REGB0;
     }
   }
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___PExpr___stype(variable[6])(variable[6]) /*PExpr::stype*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_static_type___MMLocalProperty___signature_for(variable[5])(variable[5], variable[6]) /*MMLocalProperty::signature_for*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_static_type___MMSignature___return_type(variable[5])(variable[5]) /*MMSignature::return_type*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___PExpr___is_self(variable[5])(variable[5]) /*PExpr::is_self*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[5])))) { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_static_type___MMType___not_for_self( variable[4] /*t*/)( variable[4] /*t*/) /*MMType::not_for_self*/;
-    variable[4] = variable[5] /*t=*/;
-  }
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___AReassignFormExpr___do_rvalue_typing(variable[0])(variable[0],  variable[1] /*v*/,  variable[4] /*t*/) /*AReassignFormExpr::do_rvalue_typing*/;
-  variable[5] = variable[6];
-  /* Register variable[6]: Result */
-  variable[6] = TAG_Bool(( variable[5] /*t2*/ ==  NIT_NULL /*null*/) || (( variable[5] /*t2*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[5] /*t2*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[5] /*t2*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[5] /*t2*/)( variable[5] /*t2*/,  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[6])) { /*if*/
-    goto return_label241;
-  }
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AReassignFormExpr___n_value(variable[0])(variable[0]) /*AReassignFormExpr::n_value*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___PExpr___stype(variable[6])(variable[6]) /*PExpr::stype*/;
-  CALL_syntax_base___AbsSyntaxVisitor___check_conform( variable[1] /*v*/)( variable[1] /*v*/, variable[0],  variable[5] /*t2*/, variable[6]) /*AbsSyntaxVisitor::check_conform*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  ATTR_typing___ASendReassignExpr____read_prop(variable[0]) /*ASendReassignExpr::_read_prop*/ = variable[6];
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___AAbsAbsSendExpr___arguments(variable[0])(variable[0]) /*AAbsAbsSendExpr::arguments*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Result */
-  variable[7] = CALL_parser_nodes___AReassignFormExpr___n_value(variable[0])(variable[0]) /*AReassignFormExpr::n_value*/;
-  CALL_abstract_collection___SimpleCollection___add( variable[3] /*raw_args*/)( variable[3] /*raw_args*/, variable[7]) /*AbstractArray::add*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_syntax_base___PExpr___stype(variable[7])(variable[7]) /*PExpr::stype*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[8]: Result */
-  variable[8] = CALL_typing___PExpr___is_implicit_self(variable[8])(variable[8]) /*PExpr::is_implicit_self*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[9]: Result */
-  variable[9] = CALL_typing___PExpr___is_self(variable[9])(variable[9]) /*PExpr::is_self*/;
-  variable[10] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-  /* Register variable[11]: Once String constant */
-  if (once_value_246 != NIT_NULL) variable[11] = once_value_246;
-  else {
-    variable[11] = NEW_String_string___String___with_native(BOX_NativeString(""), TAG_Int(0)) /*new String*/;
-    once_value_246 = variable[11];
-  }
-  /* Register variable[11]: Result */
-  /* Ensure var variable[11]: super-string element*/
-  CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-  /* Register variable[11]: Result */
-  variable[11] = CALL_typing___ASendExpr___name(variable[0])(variable[0]) /*ASendExpr::name*/;
-  /* Ensure var variable[11]: super-string element*/
-  CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], CALL_string___Object___to_s(variable[11])(variable[11]) /*Object::to_s*/) /*AbstractArray::add*/;
-  /* Register variable[11]: Once String constant */
-  if (once_value_247 != NIT_NULL) variable[11] = once_value_247;
-  else {
-    variable[11] = NEW_String_string___String___with_native(BOX_NativeString("="), TAG_Int(1)) /*new String*/;
-    once_value_247 = variable[11];
-  }
-  /* Register variable[11]: Result */
-  /* Ensure var variable[11]: super-string element*/
-  CALL_abstract_collection___SimpleCollection___add(variable[10])(variable[10], variable[11]) /*AbstractArray::add*/;
-  /* Register variable[10]: Result */
-  variable[10] = CALL_string___Object___to_s(variable[10])(variable[10]) /*Object::to_s*/;
-  /* Register variable[10]: Result */
-  variable[10] = CALL_symbol___String___to_symbol(variable[10])(variable[10]) /*String::to_symbol*/;
-  CALL_typing___AAbsSendExpr___do_typing(variable[0])(variable[0],  variable[1] /*v*/, variable[7], variable[8], variable[9], variable[10],  variable[3] /*raw_args*/,  NIT_NULL /*null*/) /*AAbsSendExpr::do_typing*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[7]: Result */
-  variable[7] = TAG_Bool((variable[7] ==  NIT_NULL /*null*/) || ((variable[7] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[7])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[7], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[7])(variable[7],  NIT_NULL /*null*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[7])) { /*if*/
-    goto return_label241;
-  }
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstractmetamodel___MMLocalProperty___global(variable[7])(variable[7]) /*MMLocalProperty::global*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[7])(variable[7]) /*MMGlobalProperty::is_init*/;
-  if (UNTAG_Bool(variable[7])) { /*if*/
-    /* Register variable[7]: Result */
-    variable[7] = CALL_syntax_base___AbsSyntaxVisitor___local_property( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::local_property*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_abstractmetamodel___MMLocalProperty___global(variable[7])(variable[7]) /*MMLocalProperty::global*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_abstractmetamodel___MMGlobalProperty___is_init(variable[7])(variable[7]) /*MMGlobalProperty::is_init*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[7])))) { /*if*/
-      variable[7] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_248 != NIT_NULL) variable[8] = once_value_248;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString("Error: try to invoke constructor "), TAG_Int(33)) /*new String*/;
-        once_value_248 = variable[8];
-      }
-      /* Register variable[8]: Result */
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      /* Register variable[8]: Result */
-      variable[8] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_249 != NIT_NULL) variable[8] = once_value_249;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString(" in a method."), TAG_Int(13)) /*new String*/;
-        once_value_249 = variable[8];
+  if (UNTAG_Bool(REGB1)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1494 */
+  REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 1494);
+  }
+  fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[3])(fra.me.REG[3]);
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:1495 */
+    fra.me.REG[3] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[3] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[3])(fra.me.REG[3]);
+    REGB1 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[3])(fra.me.REG[3]);
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    if (UNTAG_Bool(REGB1)) {
+      /* ./syntax//typing.nit:1496 */
+      REGB1 = TAG_Int(3);
+      fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
+      if (!once_value_2) {
+        fra.me.REG[5] = BOX_NativeString("Error: try to invoke constructor ");
+        REGB1 = TAG_Int(33);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_2 = fra.me.REG[5];
+        register_static_object(&once_value_2);
+      } else fra.me.REG[5] = once_value_2;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+      if (!once_value_3) {
+        fra.me.REG[5] = BOX_NativeString(" in a method.");
+        REGB1 = TAG_Int(13);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+        once_value_3 = fra.me.REG[5];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[5] = once_value_3;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+    } else {
+      /* ./syntax//typing.nit:1497 */
+      fra.me.REG[3] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+      REGB1 = CALL_typing___AExpr___is_self(fra.me.REG[3])(fra.me.REG[3]);
+      REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+      if (UNTAG_Bool(REGB1)) {
+        /* ./syntax//typing.nit:1498 */
+        REGB1 = TAG_Int(3);
+        fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB1);
+        if (!once_value_4) {
+          fra.me.REG[5] = BOX_NativeString("Error: constructor ");
+          REGB1 = TAG_Int(19);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+          once_value_4 = fra.me.REG[5];
+          register_static_object(&once_value_4);
+        } else fra.me.REG[5] = once_value_4;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+        fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+        if (!once_value_5) {
+          fra.me.REG[5] = BOX_NativeString(" is not invoken on 'self'.");
+          REGB1 = TAG_Int(26);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB1);
+          once_value_5 = fra.me.REG[5];
+          register_static_object(&once_value_5);
+        } else fra.me.REG[5] = once_value_5;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[5]);
+        fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
       }
-      /* Register variable[8]: Result */
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[7]: Result */
-      variable[7] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_typing___PExpr___is_self(variable[7])(variable[7]) /*PExpr::is_self*/;
-      if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[7])))) { /*if*/
-        variable[7] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-        /* Register variable[8]: Once String constant */
-        if (once_value_250 != NIT_NULL) variable[8] = once_value_250;
-        else {
-          variable[8] = NEW_String_string___String___with_native(BOX_NativeString("Error: constructor "), TAG_Int(19)) /*new String*/;
-          once_value_250 = variable[8];
-        }
-        /* Register variable[8]: Result */
-        /* Ensure var variable[8]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-        /* Register variable[8]: Result */
-        variable[8] = CALL_typing___AAbsSendExpr___prop(variable[0])(variable[0]) /*AAbsSendExpr::prop*/;
-        /* Ensure var variable[8]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-        /* Register variable[8]: Once String constant */
-        if (once_value_251 != NIT_NULL) variable[8] = once_value_251;
-        else {
-          variable[8] = NEW_String_string___String___with_native(BOX_NativeString(" is not invoken on 'self'."), TAG_Int(26)) /*new String*/;
-          once_value_251 = variable[8];
-        }
-        /* Register variable[8]: Result */
-        /* Ensure var variable[8]: super-string element*/
-        CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-        /* Register variable[7]: Result */
-        variable[7] = CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/;
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::error*/;
+    }
+  }
+  /* ./syntax//typing.nit:1501 */
+  fra.me.REG[3] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AExpr___stype(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 1501);
+  }
+  fra.me.REG[3] = CALL_static_type___MMLocalProperty___signature_for(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[3]);
+  fra.me.REG[3] = CALL_static_type___MMSignature___return_type(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = TAG_Bool((fra.me.REG[3]!=NIT_NULL) && VAL_ISA(fra.me.REG[3], COLOR_MMType, ID_MMType)) /*cast MMType*/;
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1501);
+  }
+  /* ./syntax//typing.nit:1502 */
+  fra.me.REG[5] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_typing___AExpr___is_self(fra.me.REG[5])(fra.me.REG[5]);
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    fra.me.REG[5] = CALL_static_type___MMType___not_for_self(fra.me.REG[3])(fra.me.REG[3]);
+    fra.me.REG[3] = fra.me.REG[5];
+  }
+  /* ./syntax//typing.nit:1504 */
+  fra.me.REG[3] = CALL_typing___AReassignFormExpr___do_rvalue_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[3]);
+  /* ./syntax//typing.nit:1505 */
+  REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB1)) {
+  } else {
+    REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+      REGB0 = TAG_Bool(false);
+      REGB1 = REGB0;
+    } else {
+      REGB0 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB1 = REGB0;
+    }
+  }
+  if (UNTAG_Bool(REGB1)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1506 */
+  fra.me.REG[5] = CALL_parser_nodes___AReassignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[5] = CALL_syntax_base___AExpr___stype(fra.me.REG[5])(fra.me.REG[5]);
+  CALL_syntax_base___AbsSyntaxVisitor___check_conform(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3], fra.me.REG[5]);
+  /* ./syntax//typing.nit:1508 */
+  ATTR_typing___ASendReassignExpr____read_prop(fra.me.REG[0]) = fra.me.REG[4];
+  /* ./syntax//typing.nit:1509 */
+  fra.me.REG[5] = CALL_array___Collection___to_a(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[2] = fra.me.REG[5];
+  /* ./syntax//typing.nit:1510 */
+  fra.me.REG[5] = CALL_parser_nodes___AReassignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+  /* ./syntax//typing.nit:1512 */
+  fra.me.REG[5] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[5] = CALL_syntax_base___AExpr___stype(fra.me.REG[5])(fra.me.REG[5]);
+  fra.me.REG[3] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_typing___AExpr___is_implicit_self(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[3] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_typing___AExpr___is_self(fra.me.REG[3])(fra.me.REG[3]);
+  REGB2 = TAG_Int(3);
+  fra.me.REG[3] = NEW_Array_array___Array___with_capacity(REGB2);
+  if (!once_value_6) {
+    fra.me.REG[6] = BOX_NativeString("");
+    REGB2 = TAG_Int(0);
+    fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB2);
+    once_value_6 = fra.me.REG[6];
+    register_static_object(&once_value_6);
+  } else fra.me.REG[6] = once_value_6;
+  fra.me.REG[6] = fra.me.REG[6];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+  fra.me.REG[6] = CALL_typing___ASendExpr___name(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[6] = CALL_string___Object___to_s(fra.me.REG[6])(fra.me.REG[6]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+  if (!once_value_7) {
+    fra.me.REG[6] = BOX_NativeString("=");
+    REGB2 = TAG_Int(1);
+    fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB2);
+    once_value_7 = fra.me.REG[6];
+    register_static_object(&once_value_7);
+  } else fra.me.REG[6] = once_value_7;
+  fra.me.REG[6] = fra.me.REG[6];
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[6]);
+  fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[3] = CALL_symbol___String___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+  CALL_typing___AAbsSendExpr___do_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[5], REGB1, REGB0, fra.me.REG[3], fra.me.REG[2], NIT_NULL);
+  /* ./syntax//typing.nit:1513 */
+  REGB0 = TAG_Bool(fra.me.REG[4]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+    nit_abort("Reciever is null", NULL, LOCATE_typing, 1513);
+  }
+  fra.me.REG[2] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[4])(fra.me.REG[4]);
+  REGB0 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[2])(fra.me.REG[2]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1514 */
+    fra.me.REG[2] = CALL_syntax_base___AbsSyntaxVisitor___local_property(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[2] = CALL_abstractmetamodel___MMLocalProperty___global(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = CALL_abstractmetamodel___MMGlobalProperty___is_init(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1515 */
+      REGB0 = TAG_Int(3);
+      fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
+      if (!once_value_8) {
+        fra.me.REG[3] = BOX_NativeString("Error: try to invoke constructor ");
+        REGB0 = TAG_Int(33);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_8 = fra.me.REG[3];
+        register_static_object(&once_value_8);
+      } else fra.me.REG[3] = once_value_8;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      fra.me.REG[3] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      if (!once_value_9) {
+        fra.me.REG[3] = BOX_NativeString(" in a method.");
+        REGB0 = TAG_Int(13);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_9 = fra.me.REG[3];
+        register_static_object(&once_value_9);
+      } else fra.me.REG[3] = once_value_9;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+      fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2]);
+    } else {
+      /* ./syntax//typing.nit:1516 */
+      fra.me.REG[2] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+      REGB0 = CALL_typing___AExpr___is_self(fra.me.REG[2])(fra.me.REG[2]);
+      REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:1517 */
+        REGB0 = TAG_Int(3);
+        fra.me.REG[2] = NEW_Array_array___Array___with_capacity(REGB0);
+        if (!once_value_10) {
+          fra.me.REG[3] = BOX_NativeString("Error: constructor ");
+          REGB0 = TAG_Int(19);
+          fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+          once_value_10 = fra.me.REG[3];
+          register_static_object(&once_value_10);
+        } else fra.me.REG[3] = once_value_10;
+        fra.me.REG[3] = fra.me.REG[3];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+        fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+        if (!once_value_11) {
+          fra.me.REG[4] = BOX_NativeString(" is not invoken on 'self'.");
+          REGB0 = TAG_Int(26);
+          fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+          once_value_11 = fra.me.REG[4];
+          register_static_object(&once_value_11);
+        } else fra.me.REG[4] = once_value_11;
+        fra.me.REG[4] = fra.me.REG[4];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[4]);
+        fra.me.REG[2] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2]);
       }
     }
   }
-  ATTR_typing___AAbsAbsSendExpr____arguments(variable[0]) /*AAbsAbsSendExpr::_arguments*/ =  variable[6] /*old_args*/;
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label241: while(false);
-  tracehead = trace.prev;
+  /* ./syntax//typing.nit:1521 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ASendReassignExpr___read_prop(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1276, LOCATE_typing___ASendReassignExpr___read_prop};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___ASendReassignExpr____read_prop( self) /*ASendReassignExpr::_read_prop*/;
-}
-val_t typing___ABinopExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1317, LOCATE_typing___ABinopExpr___raw_arguments};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  variable[2] = NEW_Array_array___Array___with_capacity(TAG_Int(1)) /*new Array[PExpr]*/ /* Ensure var: Literal array*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-  CALL_abstract_collection___SimpleCollection___add(variable[2])(variable[2], variable[3]) /*AbstractArray::add*/;
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label252;
-  return_label252: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___AEqExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1321, LOCATE_typing___AEqExpr___after_typing};
-    static val_t once_value_254 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_SUPER_typing___AEqExpr___after_typing(variable[0])(variable[0], variable[1]) /*super AEqExpr::after_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___is_typed(variable[0])(variable[0]) /*PExpr::is_typed*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    goto return_label253;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3]==NIT_NULL) || VAL_ISA(variable[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  /* Ensure var variable[3]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[3])) { /* and */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_static_type___MMType___is_nullable(variable[3])(variable[3]) /*MMType::is_nullable*/;
-    variable[3] =  TAG_Bool(!UNTAG_Bool(variable[3]));
-  }
-  /* Register variable[3]: Result */
-  /* Ensure var variable[3]: Left 'or' operand*/
-  if (!UNTAG_Bool(variable[3])) { /* or */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-    /* Register variable[3]: Result */
-    variable[3] = TAG_Bool((variable[3]==NIT_NULL) || VAL_ISA(variable[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  }
-  /* Register variable[3]: Result */
-  /* Ensure var variable[3]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[3])) { /* and */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_static_type___MMType___is_nullable(variable[3])(variable[3]) /*MMType::is_nullable*/;
-    variable[3] =  TAG_Bool(!UNTAG_Bool(variable[3]));
-  }
-  /* Register variable[3]: Result */
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Once String constant */
-    if (once_value_254 != NIT_NULL) variable[3] = once_value_254;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString("Warning: comparaison between null and a non nullable value."), TAG_Int(59)) /*new String*/;
-      once_value_254 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::warning*/;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3]==NIT_NULL) || VAL_ISA(variable[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-    CALL_typing___AEqExpr___try_to_isa(variable[0])(variable[0],  variable[1] /*v*/, variable[3]) /*AEqExpr::try_to_isa*/;
-  } else { /*if*/
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-    /* Register variable[3]: Result */
-    variable[3] = TAG_Bool((variable[3]==NIT_NULL) || VAL_ISA(variable[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-    if (UNTAG_Bool(variable[3])) { /*if*/
-      /* Register variable[3]: Result */
-      variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-      CALL_typing___AEqExpr___try_to_isa(variable[0])(variable[0],  variable[1] /*v*/, variable[3]) /*AEqExpr::try_to_isa*/;
-    }
-  }
-  return_label253: while(false);
-  tracehead = trace.prev;
+val_t typing___ABinopExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1526;
+  fra.me.meth = LOCATE_typing___ABinopExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1526 */
+  REGB0 = TAG_Int(1);
+  fra.me.REG[1] = NEW_Array_array___Array___with_capacity(REGB0);
+  fra.me.REG[0] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t typing___AEqExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1529;
+  fra.me.meth = LOCATE_typing___AEqExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1529 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("==");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AEqExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1530;
+  fra.me.meth = LOCATE_typing___AEqExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1530 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:1532 */
+  CALL_SUPER_typing___AEqExpr___after_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1533 */
+  fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = CALL_syntax_base___AExpr___is_typed(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    REGB1 = CALL_syntax_base___AExpr___is_typed(fra.me.REG[1])(fra.me.REG[1]);
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1534 */
+  fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    /* ./syntax//typing.nit:1535 */
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB1 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+    /* ./syntax//typing.nit:1534 */
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1535 */
+    fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    /* ./syntax//typing.nit:1534 */
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1536 */
+    if (!once_value_2) {
+      fra.me.REG[1] = BOX_NativeString("Warning: comparaison between null and a non nullable value.");
+      REGB0 = TAG_Int(59);
+      fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+      once_value_2 = fra.me.REG[1];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[1] = once_value_2;
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[1]);
+  }
+  /* ./syntax//typing.nit:1539 */
+  fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1540 */
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1541 */
+      if (!once_value_3) {
+        fra.me.REG[1] = BOX_NativeString("Warning: comparaison between 2 null values.");
+        REGB0 = TAG_Int(43);
+        fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+        once_value_3 = fra.me.REG[1];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[1] = once_value_3;
+      fra.me.REG[1] = fra.me.REG[1];
+      CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[1]);
+    } else {
+      /* ./syntax//typing.nit:1543 */
+      fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_typing___AEqExpr___try_to_isa(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3], fra.me.REG[1]);
+    }
+  } else {
+    /* ./syntax//typing.nit:1545 */
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1546 */
+      fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_typing___AEqExpr___try_to_isa(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3], fra.me.REG[1]);
+    }
+  }
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___AEqExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1320, LOCATE_typing___AEqExpr___name};
-  static val_t once_value_256; static int once_bool_256; /* Once value for variable[2]*/
-    static val_t once_value_257 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_256) variable[2] = once_value_256;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_257 != NIT_NULL) variable[2] = once_value_257;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("=="), TAG_Int(2)) /*new String*/;
-      once_value_257 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_256 = variable[2];
-    once_bool_256 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label255;
-  return_label255: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___AEqExpr___try_to_isa(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 1337, LOCATE_typing___AEqExpr___try_to_isa};
-  val_t variable[7];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Method return value and escape marker */
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___PExpr___its_variable( variable[2] /*n*/)( variable[2] /*n*/) /*PExpr::its_variable*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*variable*/ ==  NIT_NULL /*null*/) || (( variable[4] /*variable*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*variable*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*variable*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*variable*/)( variable[4] /*variable*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_syntax_base___PExpr___stype( variable[2] /*n*/)( variable[2] /*n*/) /*PExpr::stype*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_static_type___MMType___as_notnull(variable[6])(variable[6]) /*MMType::as_notnull*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_control_flow___VariableContext___sub_with(variable[5])(variable[5], variable[0],  variable[4] /*variable*/, variable[6]) /*VariableContext::sub_with*/;
-    ATTR_typing___PExpr____if_false_variable_ctx(variable[0]) /*PExpr::_if_false_variable_ctx*/ = variable[5];
-  }
-  return_label258: while(false);
-  tracehead = trace.prev;
+void typing___AEqExpr___try_to_isa(val_t p0, val_t p1, val_t p2){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1550;
+  fra.me.meth = LOCATE_typing___AEqExpr___try_to_isa;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  /* ./syntax//typing.nit:1552 */
+  fra.me.REG[3] = CALL_typing___AExpr___its_variable(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1553 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[4] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_MMNullableType, ID_MMNullableType)) /*cast MMNullableType*/;
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1554 */
+    fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[2] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = CALL_static_type___MMType___as_notnull(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = CALL_flow___FlowContext___sub_with(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
+    ATTR_typing___AExpr____if_false_flow_ctx(fra.me.REG[0]) = fra.me.REG[2];
+    /* ./syntax//typing.nit:1555 */
+    fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_none(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_flow___FlowContext___sub_with(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0], fra.me.REG[3], fra.me.REG[1]);
+    ATTR_typing___AExpr____if_true_flow_ctx(fra.me.REG[0]) = fra.me.REG[1];
+  }
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___ANeExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1347, LOCATE_typing___ANeExpr___after_typing};
-    static val_t once_value_260 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  CALL_SUPER_typing___ANeExpr___after_typing(variable[0])(variable[0], variable[1]) /*super ANeExpr::after_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___is_typed(variable[0])(variable[0]) /*PExpr::is_typed*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    goto return_label259;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3]==NIT_NULL) || VAL_ISA(variable[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  /* Ensure var variable[3]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[3])) { /* and */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_static_type___MMType___is_nullable(variable[3])(variable[3]) /*MMType::is_nullable*/;
-    variable[3] =  TAG_Bool(!UNTAG_Bool(variable[3]));
-  }
-  /* Register variable[3]: Result */
-  /* Ensure var variable[3]: Left 'or' operand*/
-  if (!UNTAG_Bool(variable[3])) { /* or */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-    /* Register variable[3]: Result */
-    variable[3] = TAG_Bool((variable[3]==NIT_NULL) || VAL_ISA(variable[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  }
-  /* Register variable[3]: Result */
-  /* Ensure var variable[3]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[3])) { /* and */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_static_type___MMType___is_nullable(variable[3])(variable[3]) /*MMType::is_nullable*/;
-    variable[3] =  TAG_Bool(!UNTAG_Bool(variable[3]));
-  }
-  /* Register variable[3]: Result */
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Once String constant */
-    if (once_value_260 != NIT_NULL) variable[3] = once_value_260;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString("Warning: comparaison between null and a non nullable value."), TAG_Int(59)) /*new String*/;
-      once_value_260 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::warning*/;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool((variable[3]==NIT_NULL) || VAL_ISA(variable[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-    CALL_typing___ANeExpr___try_to_isa(variable[0])(variable[0],  variable[1] /*v*/, variable[3]) /*ANeExpr::try_to_isa*/;
-  } else { /*if*/
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ABinopExpr___n_expr2(variable[0])(variable[0]) /*ABinopExpr::n_expr2*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-    /* Register variable[3]: Result */
-    variable[3] = TAG_Bool((variable[3]==NIT_NULL) || VAL_ISA(variable[3], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-    if (UNTAG_Bool(variable[3])) { /*if*/
-      /* Register variable[3]: Result */
-      variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-      CALL_typing___ANeExpr___try_to_isa(variable[0])(variable[0],  variable[1] /*v*/, variable[3]) /*ANeExpr::try_to_isa*/;
-    }
-  }
-  return_label259: while(false);
-  tracehead = trace.prev;
+val_t typing___ANeExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1560;
+  fra.me.meth = LOCATE_typing___ANeExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1560 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("!=");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ANeExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1561;
+  fra.me.meth = LOCATE_typing___ANeExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1561 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:1563 */
+  CALL_SUPER_typing___ANeExpr___after_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1564 */
+  fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = CALL_syntax_base___AExpr___is_typed(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    REGB1 = CALL_syntax_base___AExpr___is_typed(fra.me.REG[1])(fra.me.REG[1]);
+    REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1565 */
+  fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    REGB0 = TAG_Bool(true);
+  } else {
+    /* ./syntax//typing.nit:1566 */
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB1 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+    /* ./syntax//typing.nit:1565 */
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1566 */
+    fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  } else {
+    /* ./syntax//typing.nit:1565 */
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1567 */
+    if (!once_value_2) {
+      fra.me.REG[1] = BOX_NativeString("Warning: comparaison between null and a non nullable value.");
+      REGB0 = TAG_Int(59);
+      fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+      once_value_2 = fra.me.REG[1];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[1] = once_value_2;
+    fra.me.REG[1] = fra.me.REG[1];
+    CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[1]);
+  }
+  /* ./syntax//typing.nit:1570 */
+  fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1571 */
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1572 */
+      if (!once_value_3) {
+        fra.me.REG[1] = BOX_NativeString("Warning: comparaison between 2 null values.");
+        REGB0 = TAG_Int(43);
+        fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+        once_value_3 = fra.me.REG[1];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[1] = once_value_3;
+      fra.me.REG[1] = fra.me.REG[1];
+      CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[1]);
+    } else {
+      /* ./syntax//typing.nit:1574 */
+      fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_typing___ANeExpr___try_to_isa(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3], fra.me.REG[1]);
+    }
+  } else {
+    /* ./syntax//typing.nit:1576 */
+    fra.me.REG[1] = CALL_parser_nodes___ABinopExpr___n_expr2(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[1], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1577 */
+      fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_typing___ANeExpr___try_to_isa(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3], fra.me.REG[1]);
+    }
+  }
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ANeExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1346, LOCATE_typing___ANeExpr___name};
-  static val_t once_value_262; static int once_bool_262; /* Once value for variable[2]*/
-    static val_t once_value_263 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_262) variable[2] = once_value_262;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_263 != NIT_NULL) variable[2] = once_value_263;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("!="), TAG_Int(2)) /*new String*/;
-      once_value_263 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_262 = variable[2];
-    once_bool_262 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label261;
-  return_label261: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___ANeExpr___try_to_isa(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 1363, LOCATE_typing___ANeExpr___try_to_isa};
-  val_t variable[7];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Method return value and escape marker */
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_typing___PExpr___its_variable( variable[2] /*n*/)( variable[2] /*n*/) /*PExpr::its_variable*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*variable*/ ==  NIT_NULL /*null*/) || (( variable[4] /*variable*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*variable*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*variable*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*variable*/)( variable[4] /*variable*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    /* Register variable[5]: Result */
-    variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_syntax_base___PExpr___stype( variable[2] /*n*/)( variable[2] /*n*/) /*PExpr::stype*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_static_type___MMType___as_notnull(variable[6])(variable[6]) /*MMType::as_notnull*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_control_flow___VariableContext___sub_with(variable[5])(variable[5], variable[0],  variable[4] /*variable*/, variable[6]) /*VariableContext::sub_with*/;
-    ATTR_typing___PExpr____if_true_variable_ctx(variable[0]) /*PExpr::_if_true_variable_ctx*/ = variable[5];
-  }
-  return_label264: while(false);
-  tracehead = trace.prev;
+void typing___ANeExpr___try_to_isa(val_t p0, val_t p1, val_t p2){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1581;
+  fra.me.meth = LOCATE_typing___ANeExpr___try_to_isa;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  /* ./syntax//typing.nit:1583 */
+  fra.me.REG[3] = CALL_typing___AExpr___its_variable(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1584 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    fra.me.REG[4] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[4], COLOR_MMNullableType, ID_MMNullableType)) /*cast MMNullableType*/;
+  } else {
+    REGB1 = TAG_Bool(false);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1585 */
+    fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[2] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = CALL_static_type___MMType___as_notnull(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[2] = CALL_flow___FlowContext___sub_with(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0], fra.me.REG[3], fra.me.REG[2]);
+    ATTR_typing___AExpr____if_true_flow_ctx(fra.me.REG[0]) = fra.me.REG[2];
+    /* ./syntax//typing.nit:1586 */
+    fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_none(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[1] = CALL_flow___FlowContext___sub_with(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0], fra.me.REG[3], fra.me.REG[1]);
+    ATTR_typing___AExpr____if_false_flow_ctx(fra.me.REG[0]) = fra.me.REG[1];
+  }
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ALtExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1372, LOCATE_typing___ALtExpr___name};
-  static val_t once_value_266; static int once_bool_266; /* Once value for variable[2]*/
-    static val_t once_value_267 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_266) variable[2] = once_value_266;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_267 != NIT_NULL) variable[2] = once_value_267;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("<"), TAG_Int(1)) /*new String*/;
-      once_value_267 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_266 = variable[2];
-    once_bool_266 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label265;
-  return_label265: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ALeExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1375, LOCATE_typing___ALeExpr___name};
-  static val_t once_value_269; static int once_bool_269; /* Once value for variable[2]*/
-    static val_t once_value_270 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_269) variable[2] = once_value_269;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_270 != NIT_NULL) variable[2] = once_value_270;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("<="), TAG_Int(2)) /*new String*/;
-      once_value_270 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_269 = variable[2];
-    once_bool_269 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label268;
-  return_label268: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AGtExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1378, LOCATE_typing___AGtExpr___name};
-  static val_t once_value_272; static int once_bool_272; /* Once value for variable[2]*/
-    static val_t once_value_273 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_272) variable[2] = once_value_272;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_273 != NIT_NULL) variable[2] = once_value_273;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString(">"), TAG_Int(1)) /*new String*/;
-      once_value_273 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_272 = variable[2];
-    once_bool_272 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label271;
-  return_label271: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AGeExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1381, LOCATE_typing___AGeExpr___name};
-  static val_t once_value_275; static int once_bool_275; /* Once value for variable[2]*/
-    static val_t once_value_276 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_275) variable[2] = once_value_275;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_276 != NIT_NULL) variable[2] = once_value_276;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString(">="), TAG_Int(2)) /*new String*/;
-      once_value_276 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_275 = variable[2];
-    once_bool_275 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label274;
-  return_label274: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___APlusExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1384, LOCATE_typing___APlusExpr___name};
-  static val_t once_value_278; static int once_bool_278; /* Once value for variable[2]*/
-    static val_t once_value_279 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_278) variable[2] = once_value_278;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_279 != NIT_NULL) variable[2] = once_value_279;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("+"), TAG_Int(1)) /*new String*/;
-      once_value_279 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_278 = variable[2];
-    once_bool_278 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label277;
-  return_label277: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AMinusExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1387, LOCATE_typing___AMinusExpr___name};
-  static val_t once_value_281; static int once_bool_281; /* Once value for variable[2]*/
-    static val_t once_value_282 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_281) variable[2] = once_value_281;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_282 != NIT_NULL) variable[2] = once_value_282;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("-"), TAG_Int(1)) /*new String*/;
-      once_value_282 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_281 = variable[2];
-    once_bool_281 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label280;
-  return_label280: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AStarshipExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1390, LOCATE_typing___AStarshipExpr___name};
-  static val_t once_value_284; static int once_bool_284; /* Once value for variable[2]*/
-    static val_t once_value_285 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_284) variable[2] = once_value_284;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_285 != NIT_NULL) variable[2] = once_value_285;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("<=>"), TAG_Int(3)) /*new String*/;
-      once_value_285 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_284 = variable[2];
-    once_bool_284 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label283;
-  return_label283: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AStarExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1393, LOCATE_typing___AStarExpr___name};
-  static val_t once_value_287; static int once_bool_287; /* Once value for variable[2]*/
-    static val_t once_value_288 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_287) variable[2] = once_value_287;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_288 != NIT_NULL) variable[2] = once_value_288;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("*"), TAG_Int(1)) /*new String*/;
-      once_value_288 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_287 = variable[2];
-    once_bool_287 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label286;
-  return_label286: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ASlashExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1396, LOCATE_typing___ASlashExpr___name};
-  static val_t once_value_290; static int once_bool_290; /* Once value for variable[2]*/
-    static val_t once_value_291 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_290) variable[2] = once_value_290;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_291 != NIT_NULL) variable[2] = once_value_291;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("/"), TAG_Int(1)) /*new String*/;
-      once_value_291 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_290 = variable[2];
-    once_bool_290 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label289;
-  return_label289: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___APercentExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1399, LOCATE_typing___APercentExpr___name};
-  static val_t once_value_293; static int once_bool_293; /* Once value for variable[2]*/
-    static val_t once_value_294 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_293) variable[2] = once_value_293;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_294 != NIT_NULL) variable[2] = once_value_294;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("%"), TAG_Int(1)) /*new String*/;
-      once_value_294 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_293 = variable[2];
-    once_bool_293 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label292;
-  return_label292: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AUminusExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1403, LOCATE_typing___AUminusExpr___name};
-  static val_t once_value_296; static int once_bool_296; /* Once value for variable[2]*/
-    static val_t once_value_297 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_296) variable[2] = once_value_296;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_297 != NIT_NULL) variable[2] = once_value_297;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("unary -"), TAG_Int(7)) /*new String*/;
-      once_value_297 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_296 = variable[2];
-    once_bool_296 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label295;
-  return_label295: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AUminusExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1404, LOCATE_typing___AUminusExpr___raw_arguments};
-  val_t variable[2];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  variable[1] =  NIT_NULL /*null*/;
-  goto return_label298;
-  return_label298: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___ACallFormExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1408, LOCATE_typing___ACallFormExpr___after_typing};
-          static val_t once_value_300 = NIT_NULL; /* Once value for string variable[6]*/
-          static val_t once_value_301 = NIT_NULL; /* Once value for string variable[6]*/
-  val_t variable[9];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  /* Ensure var variable[3]: Left 'and' operand*/
-  if (UNTAG_Bool(variable[3])) { /* and */
-    /* Register variable[3]: Result */
-    variable[3] = CALL_parser_nodes___ASendExpr___n_expr(variable[0])(variable[0]) /*ASendExpr::n_expr*/;
-    /* Register variable[3]: Result */
-    variable[3] = CALL_typing___PExpr___is_implicit_self(variable[3])(variable[3]) /*PExpr::is_implicit_self*/;
-  }
-  /* Register variable[3]: Result */
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Local variable */
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___ACallFormExpr___n_id(variable[0])(variable[0]) /*ACallFormExpr::n_id*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_syntax_base___Token___to_symbol(variable[4])(variable[4]) /*Token::to_symbol*/;
-    variable[3] = variable[4];
-    /* Register variable[4]: Local variable */
-    /* Register variable[5]: Result */
-    variable[5] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_control_flow___VariableContext_____bra(variable[5])(variable[5],  variable[3] /*name*/) /*VariableContext::[]*/;
-    variable[4] = variable[5];
-    /* Register variable[5]: Result */
-    variable[5] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[4] /*variable*/ ==  NIT_NULL /*null*/) || (( variable[4] /*variable*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[4] /*variable*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[4] /*variable*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[4] /*variable*/)( variable[4] /*variable*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-    if (UNTAG_Bool(variable[5])) { /*if*/
-      /* Register variable[5]: Result */
-      variable[5] = TAG_Bool(( variable[4] /*variable*/==NIT_NULL) || VAL_ISA( variable[4] /*variable*/, COLOR_ClosureVariable, ID_ClosureVariable)) /*cast ClosureVariable*/;
-      if (UNTAG_Bool(variable[5])) { /*if*/
-        /* Register variable[5]: Local variable */
-        /* Register variable[6]: Result */
-        variable[6] = CALL_parser_nodes___ACallFormExpr___n_id(variable[0])(variable[0]) /*ACallFormExpr::n_id*/;
-        /* Register variable[7]: Result */
-        variable[7] = CALL_parser_nodes___ACallFormExpr___n_args(variable[0])(variable[0]) /*ACallFormExpr::n_args*/;
-        /* Register variable[8]: Result */
-        variable[8] = CALL_parser_nodes___ASendExpr___n_closure_defs(variable[0])(variable[0]) /*ASendExpr::n_closure_defs*/;
-        /* Register variable[6]: Result */
-        variable[6] = NEW_AClosureCallExpr_parser_prod___AClosureCallExpr___init_aclosurecallexpr(variable[6], variable[7], variable[8]) /*new AClosureCallExpr*/;
-        variable[5] = variable[6];
-        CALL_parser_prod___PNode___replace_with(variable[0])(variable[0],  variable[5] /*n*/) /*Prod::replace_with*/;
-        CALL_syntax_base___AClosureCallExpr___variable__eq( variable[5] /*n*/)( variable[5] /*n*/,  variable[4] /*variable*/) /*AClosureCallExpr::variable=*/;
-        CALL_typing___PNode___after_typing( variable[5] /*n*/)( variable[5] /*n*/,  variable[1] /*v*/) /*AClosureCallExpr::after_typing*/;
-        goto return_label299;
-      } else { /*if*/
-        /* Register variable[5]: Result */
-        variable[5] = CALL_parser_nodes___ACallFormExpr___n_args(variable[0])(variable[0]) /*ACallFormExpr::n_args*/;
-        /* Register variable[5]: Result */
-        variable[5] = CALL_abstract_collection___Collection___is_empty(variable[5])(variable[5]) /*List::is_empty*/;
-        if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[5])))) { /*if*/
-          variable[5] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-          /* Register variable[6]: Once String constant */
-          if (once_value_300 != NIT_NULL) variable[6] = once_value_300;
-          else {
-            variable[6] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-            once_value_300 = variable[6];
-          }
-          /* Register variable[6]: Result */
-          /* Ensure var variable[6]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-          variable[6] =  variable[3] /*name*/ /* Ensure var: super-string element*/;
-          CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/) /*AbstractArray::add*/;
-          /* Register variable[6]: Once String constant */
-          if (once_value_301 != NIT_NULL) variable[6] = once_value_301;
-          else {
-            variable[6] = NEW_String_string___String___with_native(BOX_NativeString(" is variable, not a function."), TAG_Int(29)) /*new String*/;
-            once_value_301 = variable[6];
-          }
-          /* Register variable[6]: Result */
-          /* Ensure var variable[6]: super-string element*/
-          CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-          /* Register variable[5]: Result */
-          variable[5] = CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/;
-          CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-          goto return_label299;
+val_t typing___ALtExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1591;
+  fra.me.meth = LOCATE_typing___ALtExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1591 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("<");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ALeExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1594;
+  fra.me.meth = LOCATE_typing___ALeExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1594 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("<=");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ALlExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1597;
+  fra.me.meth = LOCATE_typing___ALlExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1597 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("<<");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AGtExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1600;
+  fra.me.meth = LOCATE_typing___AGtExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1600 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString(">");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AGeExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1603;
+  fra.me.meth = LOCATE_typing___AGeExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1603 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString(">=");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AGgExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1606;
+  fra.me.meth = LOCATE_typing___AGgExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1606 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString(">>");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___APlusExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1609;
+  fra.me.meth = LOCATE_typing___APlusExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1609 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("+");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AMinusExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1612;
+  fra.me.meth = LOCATE_typing___AMinusExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1612 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("-");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AStarshipExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1615;
+  fra.me.meth = LOCATE_typing___AStarshipExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1615 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("<=>");
+      REGB0 = TAG_Int(3);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AStarExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1618;
+  fra.me.meth = LOCATE_typing___AStarExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1618 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("*");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ASlashExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1621;
+  fra.me.meth = LOCATE_typing___ASlashExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1621 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("/");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___APercentExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1624;
+  fra.me.meth = LOCATE_typing___APercentExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1624 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("%");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AUminusExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1628;
+  fra.me.meth = LOCATE_typing___AUminusExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1628 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("unary -");
+      REGB0 = TAG_Int(7);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AUminusExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1629;
+  fra.me.meth = LOCATE_typing___AUminusExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1629 */
+  fra.me.REG[0] = NIT_NULL;
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___ACallFormExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[8];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+          static val_t once_value_1; /* Once value */
+          static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1633;
+  fra.me.meth = LOCATE_typing___ACallFormExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 9;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[8] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1633 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:1635 */
+  fra.me.REG[4] = CALL_parser_nodes___ASendExpr___n_expr(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = CALL_typing___AExpr___is_implicit_self(fra.me.REG[4])(fra.me.REG[4]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1636 */
+    fra.me.REG[4] = CALL_parser_nodes___ACallFormExpr___n_id(fra.me.REG[2])(fra.me.REG[2]);
+    fra.me.REG[4] = CALL_syntax_base___Token___to_symbol(fra.me.REG[4])(fra.me.REG[4]);
+    /* ./syntax//typing.nit:1637 */
+    fra.me.REG[5] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[3])(fra.me.REG[3]);
+    fra.me.REG[5] = CALL_scope___ScopeContext_____bra(fra.me.REG[5])(fra.me.REG[5], fra.me.REG[4]);
+    /* ./syntax//typing.nit:1638 */
+    REGB0 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[5]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[5])(fra.me.REG[5], NIT_NULL);
+        REGB0 = REGB1;
+      }
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1640 */
+      REGB0 = TAG_Bool((fra.me.REG[5]!=NIT_NULL) && VAL_ISA(fra.me.REG[5], COLOR_ClosureVariable, ID_ClosureVariable)) /*cast ClosureVariable*/;
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:1641 */
+        fra.me.REG[6] = CALL_parser_nodes___ACallFormExpr___n_id(fra.me.REG[2])(fra.me.REG[2]);
+        fra.me.REG[7] = CALL_parser_nodes___ACallFormExpr___n_args(fra.me.REG[2])(fra.me.REG[2]);
+        fra.me.REG[8] = CALL_parser_nodes___ASendExpr___n_closure_defs(fra.me.REG[2])(fra.me.REG[2]);
+        fra.me.REG[8] = NEW_AClosureCallExpr_parser_prod___AClosureCallExpr___init_aclosurecallexpr(fra.me.REG[6], fra.me.REG[7], fra.me.REG[8]);
+        /* ./syntax//typing.nit:1642 */
+        ATTR_typing___AClosureCallExpr____variable(fra.me.REG[8]) = fra.me.REG[5];
+      } else {
+        /* ./syntax//typing.nit:1644 */
+        fra.me.REG[7] = CALL_parser_nodes___ACallFormExpr___n_args(fra.me.REG[2])(fra.me.REG[2]);
+        REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[7])(fra.me.REG[7]);
+        REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+        if (UNTAG_Bool(REGB0)) {
+          /* ./syntax//typing.nit:1645 */
+          REGB0 = TAG_Int(3);
+          fra.me.REG[7] = NEW_Array_array___Array___with_capacity(REGB0);
+          if (!once_value_1) {
+            fra.me.REG[6] = BOX_NativeString("Error: ");
+            REGB0 = TAG_Int(7);
+            fra.me.REG[6] = NEW_String_string___String___with_native(fra.me.REG[6], REGB0);
+            once_value_1 = fra.me.REG[6];
+            register_static_object(&once_value_1);
+          } else fra.me.REG[6] = once_value_1;
+          fra.me.REG[6] = fra.me.REG[6];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[6]);
+          fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[4]);
+          if (!once_value_2) {
+            fra.me.REG[4] = BOX_NativeString(" is variable, not a function.");
+            REGB0 = TAG_Int(29);
+            fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+            once_value_2 = fra.me.REG[4];
+            register_static_object(&once_value_2);
+          } else fra.me.REG[4] = once_value_2;
+          fra.me.REG[4] = fra.me.REG[4];
+          CALL_abstract_collection___SimpleCollection___add(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[4]);
+          fra.me.REG[7] = CALL_string___Object___to_s(fra.me.REG[7])(fra.me.REG[7]);
+          CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[7]);
+          /* ./syntax//typing.nit:1646 */
+          goto label3;
         }
-        /* Register variable[5]: Local variable */
-        /* Register variable[6]: Result */
-        variable[6] = CALL_typing___ACallFormExpr___variable_create(variable[0])(variable[0],  variable[4] /*variable*/) /*ACallFormExpr::variable_create*/;
-        variable[5] = variable[6];
-        CALL_syntax_base___AVarFormExpr___variable__eq( variable[5] /*vform*/)( variable[5] /*vform*/,  variable[4] /*variable*/) /*AVarFormExpr::variable=*/;
-        CALL_parser_prod___PNode___replace_with(variable[0])(variable[0],  variable[5] /*vform*/) /*Prod::replace_with*/;
-        CALL_typing___PNode___after_typing( variable[5] /*vform*/)( variable[5] /*vform*/,  variable[1] /*v*/) /*PNode::after_typing*/;
-        goto return_label299;
+        /* ./syntax//typing.nit:1648 */
+        fra.me.REG[7] = CALL_typing___ACallFormExpr___variable_create(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[5]);
+        fra.me.REG[8] = fra.me.REG[7];
+        /* ./syntax//typing.nit:1649 */
+        ATTR_typing___AVarFormExpr____variable(fra.me.REG[8]) = fra.me.REG[5];
       }
+      /* ./syntax//typing.nit:1651 */
+      CALL_parser_prod___ANode___replace_with(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[8]);
+      /* ./syntax//typing.nit:1652 */
+      CALL_typing___ANode___after_typing(fra.me.REG[8])(fra.me.REG[8], fra.me.REG[3]);
+      /* ./syntax//typing.nit:1653 */
+      goto label3;
     }
   }
-  CALL_SUPER_typing___ACallFormExpr___after_typing(variable[0])(variable[0], variable[1]) /*super ACallFormExpr::after_typing*/;
-  return_label299: while(false);
-  tracehead = trace.prev;
+  /* ./syntax//typing.nit:1657 */
+  CALL_SUPER_typing___ACallFormExpr___after_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-val_t typing___ACallFormExpr___closure_defs(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1437, LOCATE_typing___ACallFormExpr___closure_defs};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___ASendExpr___n_closure_defs(variable[0])(variable[0]) /*ASendExpr::n_closure_defs*/;
-  /* Register variable[2]: Result */
-  variable[2] = TAG_Bool((variable[2] ==  NIT_NULL /*null*/) || ((variable[2] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[2])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[2], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[2])(variable[2],  NIT_NULL /*null*/) /*Object::==*/)))));
-  /* Ensure var variable[2]: Left 'or' operand*/
-  if (!UNTAG_Bool(variable[2])) { /* or */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_parser_nodes___ASendExpr___n_closure_defs(variable[0])(variable[0]) /*ASendExpr::n_closure_defs*/;
-    /* Register variable[2]: Result */
-    variable[2] = CALL_abstract_collection___Collection___is_empty(variable[2])(variable[2]) /*List::is_empty*/;
-  }
-  /* Register variable[2]: Result */
-  if (UNTAG_Bool(variable[2])) { /*if*/
-    variable[1] =  NIT_NULL /*null*/;
-    goto return_label302;
-  } else { /*if*/
-    /* Register variable[2]: Result */
-    variable[2] = CALL_parser_nodes___ASendExpr___n_closure_defs(variable[0])(variable[0]) /*ASendExpr::n_closure_defs*/;
-    /* Register variable[2]: Result */
-    variable[2] = CALL_array___Collection___to_a(variable[2])(variable[2]) /*Collection::to_a*/;
-    variable[1] = variable[2];
-    goto return_label302;
-  }
-  return_label302: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ACallFormExpr___variable_create(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1446, LOCATE_typing___ACallFormExpr___variable_create};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_typing, 1446);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t typing___ACallFormExpr___closure_defs(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1660;
+  fra.me.meth = LOCATE_typing___ACallFormExpr___closure_defs;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1662 */
+  fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_closure_defs(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[1])(fra.me.REG[1]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1663 */
+    fra.me.REG[1] = NIT_NULL;
+    goto label1;
+  } else {
+    /* ./syntax//typing.nit:1665 */
+    fra.me.REG[0] = CALL_parser_nodes___ASendExpr___n_closure_defs(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[1] = fra.me.REG[0];
+    goto label1;
+  }
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t typing___ACallFormExpr___variable_create(val_t p0, val_t p1){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1669;
+  fra.me.meth = LOCATE_typing___ACallFormExpr___variable_create;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./syntax//typing.nit:1669 */
+  nit_abort("Deferred method called", NULL, LOCATE_typing, 1669);
+  stack_frame_head = fra.me.prev;
   return NIT_NULL;
 }
-val_t typing___ACallExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1456, LOCATE_typing___ACallExpr___name};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___ACallFormExpr___n_id(variable[0])(variable[0]) /*ACallFormExpr::n_id*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_syntax_base___Token___to_symbol(variable[2])(variable[2]) /*Token::to_symbol*/;
-  variable[1] = variable[2];
-  goto return_label303;
-  return_label303: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ACallExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1457, LOCATE_typing___ACallExpr___raw_arguments};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___ACallFormExpr___n_args(variable[0])(variable[0]) /*ACallFormExpr::n_args*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_array___Collection___to_a(variable[2])(variable[2]) /*Collection::to_a*/;
-  variable[1] = variable[2];
-  goto return_label304;
-  return_label304: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ACallExpr___variable_create(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1451, LOCATE_typing___ACallExpr___variable_create};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ACallFormExpr___n_id(variable[0])(variable[0]) /*ACallFormExpr::n_id*/;
-  /* Register variable[3]: Result */
-  variable[3] = NEW_AVarExpr_parser_prod___AVarExpr___init_avarexpr(variable[3]) /*new AVarExpr*/;
-  variable[2] = variable[3];
-  goto return_label305;
-  return_label305: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t typing___ACallAssignExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1466, LOCATE_typing___ACallAssignExpr___name};
-  static val_t once_value_307 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___ACallFormExpr___n_id(variable[0])(variable[0]) /*ACallFormExpr::n_id*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_lexer___Token___text(variable[2])(variable[2]) /*Token::text*/;
-  /* Register variable[3]: Once String constant */
-  if (once_value_307 != NIT_NULL) variable[3] = once_value_307;
-  else {
-    variable[3] = NEW_String_string___String___with_native(BOX_NativeString("="), TAG_Int(1)) /*new String*/;
-    once_value_307 = variable[3];
-  }
-  /* Register variable[3]: Result */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_string___String_____plus(variable[2])(variable[2], variable[3]) /*String::+*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-  variable[1] = variable[2];
-  goto return_label306;
-  return_label306: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ACallAssignExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1467, LOCATE_typing___ACallAssignExpr___raw_arguments};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Local variable */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ACallFormExpr___n_args(variable[0])(variable[0]) /*ACallFormExpr::n_args*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_array___Collection___to_a(variable[3])(variable[3]) /*Collection::to_a*/;
-  variable[2] = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAssignFormExpr___n_value(variable[0])(variable[0]) /*AAssignFormExpr::n_value*/;
-  CALL_abstract_collection___SimpleCollection___add( variable[2] /*res*/)( variable[2] /*res*/, variable[3]) /*AbstractArray::add*/;
-  variable[1] =  variable[2] /*res*/;
-  goto return_label308;
-  return_label308: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ACallAssignExpr___variable_create(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1461, LOCATE_typing___ACallAssignExpr___variable_create};
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ACallFormExpr___n_id(variable[0])(variable[0]) /*ACallFormExpr::n_id*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAssignFormExpr___n_assign(variable[0])(variable[0]) /*AAssignFormExpr::n_assign*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AAssignFormExpr___n_value(variable[0])(variable[0]) /*AAssignFormExpr::n_value*/;
-  /* Register variable[3]: Result */
-  variable[3] = NEW_AVarAssignExpr_parser_prod___AVarAssignExpr___init_avarassignexpr(variable[3], variable[4], variable[5]) /*new AVarAssignExpr*/;
-  variable[2] = variable[3];
-  goto return_label309;
-  return_label309: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t typing___ACallReassignExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1481, LOCATE_typing___ACallReassignExpr___name};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___ACallFormExpr___n_id(variable[0])(variable[0]) /*ACallFormExpr::n_id*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_syntax_base___Token___to_symbol(variable[2])(variable[2]) /*Token::to_symbol*/;
-  variable[1] = variable[2];
-  goto return_label310;
-  return_label310: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ACallReassignExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1482, LOCATE_typing___ACallReassignExpr___raw_arguments};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___ACallFormExpr___n_args(variable[0])(variable[0]) /*ACallFormExpr::n_args*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_array___Collection___to_a(variable[2])(variable[2]) /*Collection::to_a*/;
-  variable[1] = variable[2];
-  goto return_label311;
-  return_label311: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ACallReassignExpr___variable_create(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1476, LOCATE_typing___ACallReassignExpr___variable_create};
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ACallFormExpr___n_id(variable[0])(variable[0]) /*ACallFormExpr::n_id*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AReassignFormExpr___n_assign_op(variable[0])(variable[0]) /*AReassignFormExpr::n_assign_op*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_parser_nodes___AReassignFormExpr___n_value(variable[0])(variable[0]) /*AReassignFormExpr::n_value*/;
-  /* Register variable[3]: Result */
-  variable[3] = NEW_AVarReassignExpr_parser_prod___AVarReassignExpr___init_avarreassignexpr(variable[3], variable[4], variable[5]) /*new AVarReassignExpr*/;
-  variable[2] = variable[3];
-  goto return_label312;
-  return_label312: while(false);
-  tracehead = trace.prev;
-  return variable[2];
-}
-val_t typing___ABraExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1486, LOCATE_typing___ABraExpr___name};
-  static val_t once_value_314; static int once_bool_314; /* Once value for variable[2]*/
-    static val_t once_value_315 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_314) variable[2] = once_value_314;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_315 != NIT_NULL) variable[2] = once_value_315;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("[]"), TAG_Int(2)) /*new String*/;
-      once_value_315 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_314 = variable[2];
-    once_bool_314 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label313;
-  return_label313: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ABraExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1487, LOCATE_typing___ABraExpr___raw_arguments};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___ABraFormExpr___n_args(variable[0])(variable[0]) /*ABraFormExpr::n_args*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_array___Collection___to_a(variable[2])(variable[2]) /*Collection::to_a*/;
-  variable[1] = variable[2];
-  goto return_label316;
-  return_label316: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ABraAssignExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1491, LOCATE_typing___ABraAssignExpr___name};
-  static val_t once_value_318; static int once_bool_318; /* Once value for variable[2]*/
-    static val_t once_value_319 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_318) variable[2] = once_value_318;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_319 != NIT_NULL) variable[2] = once_value_319;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("[]="), TAG_Int(3)) /*new String*/;
-      once_value_319 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_318 = variable[2];
-    once_bool_318 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label317;
-  return_label317: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ABraAssignExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1492, LOCATE_typing___ABraAssignExpr___raw_arguments};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Local variable */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___ABraFormExpr___n_args(variable[0])(variable[0]) /*ABraFormExpr::n_args*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_array___Collection___to_a(variable[3])(variable[3]) /*Collection::to_a*/;
-  variable[2] = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAssignFormExpr___n_value(variable[0])(variable[0]) /*AAssignFormExpr::n_value*/;
-  CALL_abstract_collection___SimpleCollection___add( variable[2] /*res*/)( variable[2] /*res*/, variable[3]) /*AbstractArray::add*/;
-  variable[1] =  variable[2] /*res*/;
-  goto return_label320;
-  return_label320: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ABraReassignExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1501, LOCATE_typing___ABraReassignExpr___name};
-  static val_t once_value_322; static int once_bool_322; /* Once value for variable[2]*/
-    static val_t once_value_323 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_322) variable[2] = once_value_322;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_323 != NIT_NULL) variable[2] = once_value_323;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("[]"), TAG_Int(2)) /*new String*/;
-      once_value_323 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_322 = variable[2];
-    once_bool_322 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label321;
-  return_label321: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___ABraReassignExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1502, LOCATE_typing___ABraReassignExpr___raw_arguments};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___ABraFormExpr___n_args(variable[0])(variable[0]) /*ABraFormExpr::n_args*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_array___Collection___to_a(variable[2])(variable[2]) /*Collection::to_a*/;
-  variable[1] = variable[2];
-  goto return_label324;
-  return_label324: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AInitExpr___name(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1506, LOCATE_typing___AInitExpr___name};
-  static val_t once_value_326; static int once_bool_326; /* Once value for variable[2]*/
-    static val_t once_value_327 = NIT_NULL; /* Once value for string variable[2]*/
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Once expression result */
-  if (once_bool_326) variable[2] = once_value_326;
-  else {
-    /* Register variable[2]: Once String constant */
-    if (once_value_327 != NIT_NULL) variable[2] = once_value_327;
-    else {
-      variable[2] = NEW_String_string___String___with_native(BOX_NativeString("init"), TAG_Int(4)) /*new String*/;
-      once_value_327 = variable[2];
-    }
-    /* Register variable[2]: Result */
-    /* Register variable[2]: Result */
-    variable[2] = CALL_symbol___String___to_symbol(variable[2])(variable[2]) /*String::to_symbol*/;
-    once_value_326 = variable[2];
-    once_bool_326 = true;
-  }
-  /* Register variable[2]: Result */
-  variable[1] = variable[2];
-  goto return_label325;
-  return_label325: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-val_t typing___AInitExpr___raw_arguments(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1507, LOCATE_typing___AInitExpr___raw_arguments};
-  val_t variable[3];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Method return value and escape marker */
-  /* Register variable[2]: Result */
-  variable[2] = CALL_parser_nodes___AInitExpr___n_args(variable[0])(variable[0]) /*AInitExpr::n_args*/;
-  /* Register variable[2]: Result */
-  variable[2] = CALL_array___Collection___to_a(variable[2])(variable[2]) /*Collection::to_a*/;
-  variable[1] = variable[2];
-  goto return_label328;
-  return_label328: while(false);
-  tracehead = trace.prev;
-  return variable[1];
-}
-void typing___AClosureCallExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1512, LOCATE_typing___AClosureCallExpr___after_typing};
-  val_t variable[8];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AClosureCallExpr___variable(variable[0])(variable[0]) /*AClosureCallExpr::variable*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___ClosureVariable___closure( variable[3] /*va*/)( variable[3] /*va*/) /*ClosureVariable::closure*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMClosure___is_break(variable[4])(variable[4]) /*MMClosure::is_break*/;
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    CALL_control_flow___VariableContext___unreash__eq(variable[4])(variable[4],  TAG_Bool(true)) /*VariableContext::unreash=*/;
-  }
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___ClosureVariable___closure( variable[3] /*va*/)( variable[3] /*va*/) /*ClosureVariable::closure*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_static_type___MMClosure___signature(variable[5])(variable[5]) /*MMClosure::signature*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AClosureCallExpr___n_id(variable[0])(variable[0]) /*AClosureCallExpr::n_id*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___Token___to_symbol(variable[6])(variable[6]) /*Token::to_symbol*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_parser_nodes___AClosureCallExpr___n_args(variable[0])(variable[0]) /*AClosureCallExpr::n_args*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_array___Collection___to_a(variable[7])(variable[7]) /*Collection::to_a*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___AAbsAbsSendExpr___process_signature(variable[0])(variable[0],  variable[1] /*v*/,  variable[4] /*sig*/, variable[6], variable[7]) /*AAbsAbsSendExpr::process_signature*/;
-  variable[5] = variable[6];
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AClosureCallExpr___n_closure_defs(variable[0])(variable[0]) /*AClosureCallExpr::n_closure_defs*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstract_collection___Collection___is_empty(variable[6])(variable[6]) /*List::is_empty*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[6])))) { /*if*/
-    /* Register variable[6]: Result */
-    variable[6] = CALL_parser_nodes___AClosureCallExpr___n_id(variable[0])(variable[0]) /*AClosureCallExpr::n_id*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_syntax_base___Token___to_symbol(variable[6])(variable[6]) /*Token::to_symbol*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_parser_nodes___AClosureCallExpr___n_closure_defs(variable[0])(variable[0]) /*AClosureCallExpr::n_closure_defs*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_array___Collection___to_a(variable[7])(variable[7]) /*Collection::to_a*/;
-    CALL_typing___AAbsAbsSendExpr___process_closures(variable[0])(variable[0],  variable[1] /*v*/,  variable[4] /*sig*/, variable[6], variable[7]) /*AAbsAbsSendExpr::process_closures*/;
-  }
-  /* Register variable[6]: Result */
-  variable[6] = TAG_Bool(( variable[5] /*args*/ ==  NIT_NULL /*null*/) || (( variable[5] /*args*/ != NIT_NULL) && UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[5] /*args*/)( variable[5] /*args*/,  NIT_NULL /*null*/) /*AbstractArrayRead::==*/)));
-  if (UNTAG_Bool(variable[6])) { /*if*/
-    goto return_label329;
-  }
-  ATTR_typing___AAbsAbsSendExpr____prop_signature(variable[0]) /*AAbsAbsSendExpr::_prop_signature*/ =  variable[4] /*sig*/;
-  ATTR_typing___AAbsAbsSendExpr____arguments(variable[0]) /*AAbsAbsSendExpr::_arguments*/ =  variable[5] /*args*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_static_type___MMSignature___return_type( variable[4] /*sig*/)( variable[4] /*sig*/) /*MMSignature::return_type*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[6];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label329: while(false);
-  tracehead = trace.prev;
+val_t typing___ACallExpr___variable_create(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1674;
+  fra.me.meth = LOCATE_typing___ACallExpr___variable_create;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1676 */
+  fra.me.REG[0] = CALL_parser_nodes___ACallFormExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = NEW_AVarExpr_parser_prod___AVarExpr___init_avarexpr(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ACallExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1679;
+  fra.me.meth = LOCATE_typing___ACallExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1679 */
+  fra.me.REG[0] = CALL_parser_nodes___ACallFormExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_syntax_base___Token___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ACallExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1680;
+  fra.me.meth = LOCATE_typing___ACallExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1680 */
+  fra.me.REG[0] = CALL_parser_nodes___ACallFormExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ACallAssignExpr___variable_create(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1684;
+  fra.me.meth = LOCATE_typing___ACallAssignExpr___variable_create;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1686 */
+  fra.me.REG[1] = CALL_parser_nodes___ACallFormExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_parser_nodes___AAssignFormExpr___n_assign(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_parser_nodes___AAssignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = NEW_AVarAssignExpr_parser_prod___AVarAssignExpr___init_avarassignexpr(fra.me.REG[1], fra.me.REG[2], fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ACallAssignExpr___name(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1689;
+  fra.me.meth = LOCATE_typing___ACallAssignExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1689 */
+  fra.me.REG[0] = CALL_parser_nodes___ACallFormExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_lexer___Token___text(fra.me.REG[0])(fra.me.REG[0]);
+  if (!once_value_1) {
+    fra.me.REG[1] = BOX_NativeString("=");
+    REGB0 = TAG_Int(1);
+    fra.me.REG[1] = NEW_String_string___String___with_native(fra.me.REG[1], REGB0);
+    once_value_1 = fra.me.REG[1];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[1] = once_value_1;
+  fra.me.REG[1] = fra.me.REG[1];
+  fra.me.REG[1] = CALL_string___String_____plus(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  fra.me.REG[1] = CALL_symbol___String___to_symbol(fra.me.REG[1])(fra.me.REG[1]);
+  goto label2;
+  label2: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t typing___ACallAssignExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1690;
+  fra.me.meth = LOCATE_typing___ACallAssignExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1691 */
+  fra.me.REG[1] = CALL_parser_nodes___ACallFormExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_array___Collection___to_a(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:1692 */
+  fra.me.REG[0] = CALL_parser_nodes___AAssignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./syntax//typing.nit:1693 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t typing___ACallReassignExpr___variable_create(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1698;
+  fra.me.meth = LOCATE_typing___ACallReassignExpr___variable_create;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1700 */
+  fra.me.REG[1] = CALL_parser_nodes___ACallFormExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_parser_nodes___AReassignFormExpr___n_assign_op(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_parser_nodes___AReassignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = NEW_AVarReassignExpr_parser_prod___AVarReassignExpr___init_avarreassignexpr(fra.me.REG[1], fra.me.REG[2], fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ACallReassignExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1703;
+  fra.me.meth = LOCATE_typing___ACallReassignExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1703 */
+  fra.me.REG[0] = CALL_parser_nodes___ACallFormExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_syntax_base___Token___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ACallReassignExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1704;
+  fra.me.meth = LOCATE_typing___ACallReassignExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1704 */
+  fra.me.REG[0] = CALL_parser_nodes___ACallFormExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ABraExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1708;
+  fra.me.meth = LOCATE_typing___ABraExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1708 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("[]");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ABraExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1709;
+  fra.me.meth = LOCATE_typing___ABraExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1709 */
+  fra.me.REG[0] = CALL_parser_nodes___ABraFormExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ABraExpr___closure_defs(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1710;
+  fra.me.meth = LOCATE_typing___ABraExpr___closure_defs;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1712 */
+  fra.me.REG[1] = CALL_parser_nodes___ASendExpr___n_closure_defs(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[1])(fra.me.REG[1]);
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1713 */
+    fra.me.REG[1] = NIT_NULL;
+    goto label1;
+  } else {
+    /* ./syntax//typing.nit:1715 */
+    fra.me.REG[0] = CALL_parser_nodes___ASendExpr___n_closure_defs(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[1] = fra.me.REG[0];
+    goto label1;
+  }
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t typing___ABraAssignExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1721;
+  fra.me.meth = LOCATE_typing___ABraAssignExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1721 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("[]=");
+      REGB0 = TAG_Int(3);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ABraAssignExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1722;
+  fra.me.meth = LOCATE_typing___ABraAssignExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1723 */
+  fra.me.REG[1] = CALL_parser_nodes___ABraFormExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_array___Collection___to_a(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:1724 */
+  fra.me.REG[0] = CALL_parser_nodes___AAssignFormExpr___n_value(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_abstract_collection___SimpleCollection___add(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  /* ./syntax//typing.nit:1725 */
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[1];
+}
+val_t typing___ABraReassignExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1730;
+  fra.me.meth = LOCATE_typing___ABraReassignExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1730 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("[]");
+      REGB0 = TAG_Int(2);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ABraReassignExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1731;
+  fra.me.meth = LOCATE_typing___ABraReassignExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1731 */
+  fra.me.REG[0] = CALL_parser_nodes___ABraFormExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AInitExpr___name(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1735;
+  fra.me.meth = LOCATE_typing___AInitExpr___name;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1735 */
+  if (!once_value_1) {
+    if (!once_value_2) {
+      fra.me.REG[0] = BOX_NativeString("init");
+      REGB0 = TAG_Int(4);
+      fra.me.REG[0] = NEW_String_string___String___with_native(fra.me.REG[0], REGB0);
+      once_value_2 = fra.me.REG[0];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[0] = once_value_2;
+    fra.me.REG[0] = fra.me.REG[0];
+    fra.me.REG[0] = CALL_symbol___String___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+    once_value_1 = fra.me.REG[0];
+    register_static_object(&once_value_1);
+  } else fra.me.REG[0] = once_value_1;
+  fra.me.REG[0] = fra.me.REG[0];
+  goto label3;
+  label3: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AInitExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1736;
+  fra.me.meth = LOCATE_typing___AInitExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1736 */
+  fra.me.REG[0] = CALL_parser_nodes___AInitExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AClosureCallExpr___variable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1741;
+  fra.me.meth = LOCATE_typing___AClosureCallExpr___variable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1741 */
+  fra.me.REG[0] = ATTR_typing___AClosureCallExpr____variable(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1741);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AClosureCallExpr___compute_raw_arguments(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1742;
+  fra.me.meth = LOCATE_typing___AClosureCallExpr___compute_raw_arguments;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1742 */
+  fra.me.REG[0] = CALL_parser_nodes___AClosureCallExpr___n_args(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_array___Collection___to_a(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AClosureCallExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1744;
+  fra.me.meth = LOCATE_typing___AClosureCallExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1746 */
+  fra.me.REG[2] = CALL_syntax_base___AClosureCallExpr___variable(fra.me.REG[0])(fra.me.REG[0]);
+  /* ./syntax//typing.nit:1747 */
+  fra.me.REG[3] = CALL_syntax_base___ClosureVariable___closure(fra.me.REG[2])(fra.me.REG[2]);
+  REGB0 = CALL_static_type___MMClosure___is_break(fra.me.REG[3])(fra.me.REG[3]);
+  if (UNTAG_Bool(REGB0)) {
+    CALL_typing___TypingVisitor___mark_unreash(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0]);
+  }
+  /* ./syntax//typing.nit:1748 */
+  fra.me.REG[2] = CALL_syntax_base___ClosureVariable___closure(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[2] = CALL_static_type___MMClosure___signature(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1749 */
+  fra.me.REG[3] = CALL_parser_nodes___AClosureCallExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___Token___to_symbol(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[4] = CALL_typing___AAbsAbsSendExpr___compute_raw_arguments(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_typing___AAbsAbsSendExpr___process_signature(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3], fra.me.REG[4]);
+  /* ./syntax//typing.nit:1750 */
+  fra.me.REG[4] = CALL_parser_nodes___AClosureCallExpr___n_closure_defs(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_abstract_collection___Collection___is_empty(fra.me.REG[4])(fra.me.REG[4]);
+  REGB1 = TAG_Bool(!UNTAG_Bool(REGB1));
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:1751 */
+    fra.me.REG[4] = CALL_parser_nodes___AClosureCallExpr___n_id(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[4] = CALL_syntax_base___Token___to_symbol(fra.me.REG[4])(fra.me.REG[4]);
+    fra.me.REG[3] = CALL_parser_nodes___AClosureCallExpr___n_closure_defs(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[3] = CALL_array___Collection___to_a(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_typing___AAbsAbsSendExpr___process_closures(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[4], fra.me.REG[3]);
+  }
+  /* ./syntax//typing.nit:1753 */
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1754 */
+  ATTR_typing___AAbsAbsSendExpr____prop_signature(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:1755 */
+  fra.me.REG[2] = CALL_static_type___MMSignature___return_type(fra.me.REG[2])(fra.me.REG[2]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:1756 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___PClosureDef___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1534, LOCATE_typing___PClosureDef___accept_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___PClosureDef____accept_typing2(variable[0]) /*PClosureDef::_accept_typing2*/;
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    CALL_SUPER_typing___PClosureDef___accept_typing(variable[0])(variable[0], variable[1]) /*super PClosureDef::accept_typing*/;
-  }
-  return_label330: while(false);
-  tracehead = trace.prev;
-  return;
+val_t typing___AClosureId___to_symbol(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1761;
+  fra.me.meth = LOCATE_typing___AClosureId___to_symbol;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 0;
+  /* ./syntax//typing.nit:1761 */
+  nit_abort("Deferred method called", NULL, LOCATE_typing, 1761);
+  stack_frame_head = fra.me.prev;
+  return NIT_NULL;
 }
-val_t typing___PClosureDef___escapable(val_t  self) {
-  struct trace_t trace = {NULL, NULL, 1530, LOCATE_typing___PClosureDef___escapable};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  tracehead = trace.prev;
-  return ATTR_typing___PClosureDef____escapable( self) /*PClosureDef::_escapable*/;
-}
-void typing___PClosureDef___accept_typing2(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 1540, LOCATE_typing___PClosureDef___accept_typing2};
-  val_t *variable = NULL;
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  fprintf(stderr, "Deferred method called");
-  fprintf(stderr, " (%s:%d)\n", LOCATE_typing, 1540);
-  nit_exit(1);
-  tracehead = trace.prev;
+val_t typing___ASimpleClosureId___to_symbol(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1764;
+  fra.me.meth = LOCATE_typing___ASimpleClosureId___to_symbol;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1764 */
+  fra.me.REG[0] = CALL_parser_nodes___ASimpleClosureId___n_id(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_syntax_base___Token___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___ABreakClosureId___to_symbol(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1767;
+  fra.me.meth = LOCATE_typing___ABreakClosureId___to_symbol;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1767 */
+  fra.me.REG[0] = CALL_parser_nodes___ABreakClosureId___n_kwbreak(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[0] = CALL_syntax_base___Token___to_symbol(fra.me.REG[0])(fra.me.REG[0]);
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AClosureDef___closure(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1772;
+  fra.me.meth = LOCATE_typing___AClosureDef___closure;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1772 */
+  fra.me.REG[0] = ATTR_typing___AClosureDef____closure(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[0]!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Cast failed", NULL, LOCATE_typing, 1772);
+  }
+  goto label1;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+val_t typing___AClosureDef___escapable(val_t p0){
+  struct {struct stack_frame_t me;} fra;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1774;
+  fra.me.meth = LOCATE_typing___AClosureDef___escapable;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 1;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  /* ./syntax//typing.nit:1774 */
+  fra.me.REG[0] = ATTR_typing___AClosureDef____escapable(fra.me.REG[0]);
+  stack_frame_head = fra.me.prev;
+  return fra.me.REG[0];
+}
+void typing___AClosureDef___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[2];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1778;
+  fra.me.meth = LOCATE_typing___AClosureDef___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 3;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1778 */
+  fra.me.REG[2] = fra.me.REG[0];
+  /* ./syntax//typing.nit:1781 */
+  REGB0 = TAG_Bool(ATTR_typing___AClosureDef____accept_typing2(fra.me.REG[2])!=NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    nit_abort("Uninitialized attribute %s", "_accept_typing2", LOCATE_typing, 1781);
+  }
+  REGB0 = ATTR_typing___AClosureDef____accept_typing2(fra.me.REG[2]);
+  if (UNTAG_Bool(REGB0)) {
+    CALL_SUPER_typing___AClosureDef___accept_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  }
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AClosureDef___accept_typing2(val_t  self, val_t  param0, val_t  param1) {
-  struct trace_t trace = {NULL, NULL, 1544, LOCATE_typing___AClosureDef___accept_typing2};
-    static val_t once_value_332 = NIT_NULL; /* Once value for string variable[6]*/
-    static val_t once_value_333 = NIT_NULL; /* Once value for string variable[6]*/
-    static val_t once_value_334 = NIT_NULL; /* Once value for string variable[6]*/
-      static val_t once_value_336 = NIT_NULL; /* Once value for string variable[7]*/
-        static val_t once_value_337 = NIT_NULL; /* Once value for string variable[7]*/
-  val_t variable[12];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Method return value and escape marker */
-  ATTR_typing___PClosureDef____escapable(variable[0]) /*PClosureDef::_escapable*/ =  variable[2] /*esc*/;
-  /* Register variable[4]: Local variable */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_escape___EscapableClosure___closure( variable[2] /*esc*/)( variable[2] /*esc*/) /*EscapableClosure::closure*/;
-  /* Register variable[5]: Result */
-  variable[5] = CALL_static_type___MMClosure___signature(variable[5])(variable[5]) /*MMClosure::signature*/;
-  variable[4] = variable[5];
-  /* Register variable[5]: Result */
-  variable[5] = CALL_static_type___MMSignature___arity( variable[4] /*sig*/)( variable[4] /*sig*/) /*MMSignature::arity*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_parser_nodes___AClosureDef___n_id(variable[0])(variable[0]) /*AClosureDef::n_id*/;
-  /* Register variable[6]: Result */
-  variable[6] = CALL_abstract_collection___Collection___length(variable[6])(variable[6]) /*List::length*/;
-  /* Register variable[5]: Result */
-  variable[5] = TAG_Bool((variable[5])!=(variable[6]));
-  if (UNTAG_Bool(variable[5])) { /*if*/
-    variable[5] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[6]: Once String constant */
-    if (once_value_332 != NIT_NULL) variable[6] = once_value_332;
-    else {
-      variable[6] = NEW_String_string___String___with_native(BOX_NativeString("Error: "), TAG_Int(7)) /*new String*/;
-      once_value_332 = variable[6];
-    }
-    /* Register variable[6]: Result */
-    /* Ensure var variable[6]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_static_type___MMSignature___arity( variable[4] /*sig*/)( variable[4] /*sig*/) /*MMSignature::arity*/;
-    /* Ensure var variable[6]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[6]: Once String constant */
-    if (once_value_333 != NIT_NULL) variable[6] = once_value_333;
-    else {
-      variable[6] = NEW_String_string___String___with_native(BOX_NativeString(" automatic variable names expected, "), TAG_Int(36)) /*new String*/;
-      once_value_333 = variable[6];
-    }
-    /* Register variable[6]: Result */
-    /* Ensure var variable[6]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_parser_nodes___AClosureDef___n_id(variable[0])(variable[0]) /*AClosureDef::n_id*/;
-    /* Register variable[6]: Result */
-    variable[6] = CALL_abstract_collection___Collection___length(variable[6])(variable[6]) /*List::length*/;
-    /* Ensure var variable[6]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], CALL_string___Object___to_s(variable[6])(variable[6]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[6]: Once String constant */
-    if (once_value_334 != NIT_NULL) variable[6] = once_value_334;
-    else {
-      variable[6] = NEW_String_string___String___with_native(BOX_NativeString(" found."), TAG_Int(7)) /*new String*/;
-      once_value_334 = variable[6];
-    }
-    /* Register variable[6]: Result */
-    /* Ensure var variable[6]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[5])(variable[5], variable[6]) /*AbstractArray::add*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_string___Object___to_s(variable[5])(variable[5]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[5]) /*AbsSyntaxVisitor::error*/;
-    goto return_label331;
-  }
-  /* Register variable[5]: Result */
-  variable[5] = CALL_escape___EscapableClosure___closure( variable[2] /*esc*/)( variable[2] /*esc*/) /*EscapableClosure::closure*/;
-  CALL_syntax_base___PClosureDef___closure__eq(variable[0])(variable[0], variable[5]) /*PClosureDef::closure=*/;
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  variable[5] = variable[6];
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___TypingVisitor___base_variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::base_variable_ctx*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[7]) /*TypingVisitor::base_variable_ctx=*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_control_flow___VariableContext___sub(variable[7])(variable[7], variable[0]) /*VariableContext::sub*/;
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[7]) /*TypingVisitor::variable_ctx=*/;
-  /* Register variable[7]: Result */
-  variable[7] = NEW_Array_array___Array___init() /*new Array[AutoVariable]*/;
-  CALL_syntax_base___PClosureDef___variables__eq(variable[0])(variable[0], variable[7]) /*PClosureDef::variables=*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_parser_nodes___AClosureDef___n_id(variable[0])(variable[0]) /*AClosureDef::n_id*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_abstract_collection___Collection___length(variable[7])(variable[7]) /*List::length*/;
-  /* Register variable[7]: Result */
-  variable[7] = NEW_Range_range___Range___without_last( TAG_Int(0), variable[7]) /*new Range[Int]*/;
-  /* Register variable[7]: For iterator */
-  variable[7] = CALL_abstract_collection___Collection___iterator(variable[7])(variable[7]) /*Range::iterator*/;
-  while (true) { /*for*/
-    /* Register variable[8]: For 'is_ok' result */
-    variable[8] = CALL_abstract_collection___Iterator___is_ok(variable[7])(variable[7]) /*Iterator::is_ok*/;
-    if (!UNTAG_Bool(variable[8])) break; /*for*/
-    variable[8] = CALL_abstract_collection___Iterator___item(variable[7])(variable[7]) /*Iterator::item*/ /* Ensure var: For item*/;
-    /* Register variable[9]: Local variable */
-    variable[9] = variable[8];
-    /* Register variable[10]: Local variable */
-    /* Register variable[11]: Result */
-    variable[11] = CALL_parser_nodes___AClosureDef___n_id(variable[0])(variable[0]) /*AClosureDef::n_id*/;
-    /* Register variable[11]: Result */
-    variable[11] = CALL_abstract_collection___MapRead_____bra(variable[11])(variable[11],  variable[9] /*i*/) /*List::[]*/;
-    /* Register variable[11]: Result */
-    variable[11] = CALL_syntax_base___Token___to_symbol(variable[11])(variable[11]) /*Token::to_symbol*/;
-    /* Register variable[11]: Result */
-    variable[11] = NEW_AutoVariable_syntax_base___AutoVariable___init(variable[11], variable[0]) /*new AutoVariable*/;
-    variable[10] = variable[11];
-    /* Register variable[11]: Result */
-    variable[11] = CALL_syntax_base___PClosureDef___variables(variable[0])(variable[0]) /*PClosureDef::variables*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[11])(variable[11],  variable[10] /*va*/) /*AbstractArray::add*/;
-    /* Register variable[11]: Result */
-    variable[11] = CALL_static_type___MMSignature_____bra( variable[4] /*sig*/)( variable[4] /*sig*/,  variable[9] /*i*/) /*MMSignature::[]*/;
-    CALL_syntax_base___Variable___stype__eq( variable[10] /*va*/)( variable[10] /*va*/, variable[11]) /*Variable::stype=*/;
-    /* Register variable[11]: Result */
-    variable[11] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    CALL_control_flow___VariableContext___add(variable[11])(variable[11],  variable[10] /*va*/) /*VariableContext::add*/;
-    continue_335: while(0);
-    CALL_abstract_collection___Iterator___next(variable[7])(variable[7]) /*Iterator::next*/;
-  }
-  break_335: while(0);
-  ATTR_typing___PClosureDef____accept_typing2(variable[0]) /*PClosureDef::_accept_typing2*/ =  TAG_Bool(true);
-  CALL_typing___PNode___accept_typing(variable[0])(variable[0],  variable[1] /*v*/) /*PClosureDef::accept_typing*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-  /* Register variable[7]: Result */
-  variable[7] = CALL_control_flow___VariableContext___unreash(variable[7])(variable[7]) /*VariableContext::unreash*/;
-  /* Register variable[7]: Result */
-  variable[7] = TAG_Bool((variable[7])==( TAG_Bool(false)));
-  if (UNTAG_Bool(variable[7])) { /*if*/
-    /* Register variable[7]: Result */
-    variable[7] = CALL_syntax_base___PClosureDef___closure(variable[0])(variable[0]) /*PClosureDef::closure*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_static_type___MMClosure___signature(variable[7])(variable[7]) /*MMClosure::signature*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_static_type___MMSignature___return_type(variable[7])(variable[7]) /*MMSignature::return_type*/;
-    /* Register variable[7]: Result */
-    variable[7] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[7] ==  NIT_NULL /*null*/) || ((variable[7] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[7])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[7], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[7])(variable[7],  NIT_NULL /*null*/) /*Object::==*/)))))));
-    if (UNTAG_Bool(variable[7])) { /*if*/
-      /* Register variable[7]: Once String constant */
-      if (once_value_336 != NIT_NULL) variable[7] = once_value_336;
-      else {
-        variable[7] = NEW_String_string___String___with_native(BOX_NativeString("Control error: Reached end of block (a 'continue' with a value was expected)."), TAG_Int(77)) /*new String*/;
-        once_value_336 = variable[7];
+void typing___AClosureDef___accept_typing2(val_t p0, val_t p1, val_t p2){
+  struct {struct stack_frame_t me; val_t MORE_REG[7];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t REGB2;
+  val_t REGB3;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+      static val_t once_value_6; /* Once value */
+        static val_t once_value_7; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1784;
+  fra.me.meth = LOCATE_typing___AClosureDef___accept_typing2;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 8;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[6] = NIT_NULL;
+  fra.me.REG[7] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  /* ./syntax//typing.nit:1786 */
+  ATTR_typing___AClosureDef____escapable(fra.me.REG[0]) = fra.me.REG[2];
+  /* ./syntax//typing.nit:1788 */
+  fra.me.REG[3] = CALL_scope___EscapableClosure___closure(fra.me.REG[2])(fra.me.REG[2]);
+  fra.me.REG[3] = CALL_static_type___MMClosure___signature(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:1789 */
+  REGB0 = CALL_static_type___MMSignature___arity(fra.me.REG[3])(fra.me.REG[3]);
+  fra.me.REG[4] = CALL_parser_nodes___AClosureDef___n_ids(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_abstract_collection___Collection___length(fra.me.REG[4])(fra.me.REG[4]);
+  REGB2 = TAG_Bool(IS_EQUAL_OO(REGB0,REGB1));
+  if (UNTAG_Bool(REGB2)) {
+  } else {
+    /* ./../lib/standard//kernel.nit:207 */
+    REGB1 = TAG_Bool((REGB0)==(REGB1));
+    /* ./syntax//typing.nit:1789 */
+    REGB2 = REGB1;
+  }
+  REGB2 = TAG_Bool(!UNTAG_Bool(REGB2));
+  if (UNTAG_Bool(REGB2)) {
+    /* ./syntax//typing.nit:1790 */
+    REGB2 = TAG_Int(5);
+    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB2);
+    if (!once_value_1) {
+      fra.me.REG[5] = BOX_NativeString("Error: ");
+      REGB2 = TAG_Int(7);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB2);
+      once_value_1 = fra.me.REG[5];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[5] = once_value_1;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    REGB2 = CALL_static_type___MMSignature___arity(fra.me.REG[3])(fra.me.REG[3]);
+    fra.me.REG[5] = CALL_string___Object___to_s(REGB2)(REGB2);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    if (!once_value_2) {
+      fra.me.REG[5] = BOX_NativeString(" automatic variable names expected, ");
+      REGB2 = TAG_Int(36);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB2);
+      once_value_2 = fra.me.REG[5];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[5] = once_value_2;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[5] = CALL_parser_nodes___AClosureDef___n_ids(fra.me.REG[0])(fra.me.REG[0]);
+    REGB2 = CALL_abstract_collection___Collection___length(fra.me.REG[5])(fra.me.REG[5]);
+    fra.me.REG[5] = CALL_string___Object___to_s(REGB2)(REGB2);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    if (!once_value_3) {
+      fra.me.REG[5] = BOX_NativeString(" found.");
+      REGB2 = TAG_Int(7);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB2);
+      once_value_3 = fra.me.REG[5];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[5] = once_value_3;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+    /* ./syntax//typing.nit:1791 */
+    goto label4;
+  }
+  /* ./syntax//typing.nit:1794 */
+  fra.me.REG[4] = CALL_scope___EscapableClosure___closure(fra.me.REG[2])(fra.me.REG[2]);
+  ATTR_typing___AClosureDef____closure(fra.me.REG[0]) = fra.me.REG[4];
+  /* ./syntax//typing.nit:1796 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_scope___ScopeContext___push(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[0]);
+  /* ./syntax//typing.nit:1797 */
+  fra.me.REG[4] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:1798 */
+  fra.me.REG[5] = CALL_typing___TypingVisitor___base_flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  /* ./syntax//typing.nit:1799 */
+  fra.me.REG[6] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_typing___TypingVisitor___base_flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[6]);
+  /* ./syntax//typing.nit:1800 */
+  fra.me.REG[6] = NEW_Array_array___Array___init();
+  CALL_syntax_base___AClosureDef___variables__eq(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[6]);
+  /* ./syntax//typing.nit:1801 */
+  REGB2 = TAG_Int(0);
+  fra.me.REG[6] = CALL_parser_nodes___AClosureDef___n_ids(fra.me.REG[0])(fra.me.REG[0]);
+  REGB1 = CALL_abstract_collection___Collection___length(fra.me.REG[6])(fra.me.REG[6]);
+  /* ./../lib/standard//kernel.nit:332 */
+  while(1) {
+    /* ./../lib/standard//kernel.nit:212 */
+    REGB0 = TAG_Bool(UNTAG_Int(REGB2)<UNTAG_Int(REGB1));
+    /* ./../lib/standard//kernel.nit:332 */
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1801 */
+      REGB0 = REGB2;
+      /* ./syntax//typing.nit:1802 */
+      fra.me.REG[6] = CALL_parser_nodes___AClosureDef___n_ids(fra.me.REG[0])(fra.me.REG[0]);
+      fra.me.REG[6] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[6])(fra.me.REG[6], REGB0);
+      REGB3 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+      if (UNTAG_Bool(REGB3)) {
+        nit_abort("Reciever is null", NULL, LOCATE_typing, 1802);
       }
-      /* Register variable[7]: Result */
-      CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::error*/;
-    } else { /*if*/
-      /* Register variable[7]: Result */
-      variable[7] = CALL_syntax_base___PClosureDef___closure(variable[0])(variable[0]) /*PClosureDef::closure*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_static_type___MMClosure___is_break(variable[7])(variable[7]) /*MMClosure::is_break*/;
-      if (UNTAG_Bool(variable[7])) { /*if*/
-        /* Register variable[7]: Once String constant */
-        if (once_value_337 != NIT_NULL) variable[7] = once_value_337;
-        else {
-          variable[7] = NEW_String_string___String___with_native(BOX_NativeString("Control error: Reached end of break block (a 'break' was expected)."), TAG_Int(67)) /*new String*/;
-          once_value_337 = variable[7];
-        }
-        /* Register variable[7]: Result */
-        CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::error*/;
+      fra.me.REG[6] = CALL_syntax_base___Token___to_symbol(fra.me.REG[6])(fra.me.REG[6]);
+      fra.me.REG[7] = CALL_parser_nodes___AClosureDef___n_ids(fra.me.REG[0])(fra.me.REG[0]);
+      fra.me.REG[7] = CALL_abstract_collection___MapRead_____bra(fra.me.REG[7])(fra.me.REG[7], REGB0);
+      fra.me.REG[7] = NEW_AutoVariable_syntax_base___AutoVariable___init(fra.me.REG[6], fra.me.REG[7]);
+      /* ./syntax//typing.nit:1803 */
+      fra.me.REG[6] = CALL_syntax_base___AClosureDef___variables(fra.me.REG[0])(fra.me.REG[0]);
+      REGB3 = TAG_Bool(fra.me.REG[6]==NIT_NULL);
+      if (UNTAG_Bool(REGB3)) {
+        nit_abort("Reciever is null", NULL, LOCATE_typing, 1803);
       }
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+      /* ./syntax//typing.nit:1804 */
+      fra.me.REG[6] = CALL_static_type___MMSignature_____bra(fra.me.REG[3])(fra.me.REG[3], REGB0);
+      CALL_syntax_base___Variable___stype__eq(fra.me.REG[7])(fra.me.REG[7], fra.me.REG[6]);
+      /* ./syntax//typing.nit:1805 */
+      fra.me.REG[6] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+      CALL_scope___ScopeContext___add_variable(fra.me.REG[6])(fra.me.REG[6], fra.me.REG[7]);
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB0 = TAG_Int(1);
+      /* ./../lib/standard//kernel.nit:215 */
+      REGB0 = TAG_Int(UNTAG_Int(REGB2)+UNTAG_Int(REGB0));
+      /* ./../lib/standard//kernel.nit:334 */
+      REGB2 = REGB0;
+    } else {
+      /* ./../lib/standard//kernel.nit:332 */
+      goto label5;
     }
   }
-  CALL_typing___TypingVisitor___variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[5] /*old_var_ctx*/) /*TypingVisitor::variable_ctx=*/;
-  CALL_typing___TypingVisitor___base_variable_ctx__eq( variable[1] /*v*/)( variable[1] /*v*/,  variable[6] /*old_base_var_ctx*/) /*TypingVisitor::base_variable_ctx=*/;
-  return_label331: while(false);
-  tracehead = trace.prev;
-  return;
-}
-void typing___ATypeCheckExpr___check_expr_cast(val_t  self, val_t  param0, val_t  param1, val_t  param2) {
-  struct trace_t trace = {NULL, NULL, 1585, LOCATE_typing___ATypeCheckExpr___check_expr_cast};
-    static val_t once_value_339 = NIT_NULL; /* Once value for string variable[8]*/
-    static val_t once_value_340 = NIT_NULL; /* Once value for string variable[8]*/
-      static val_t once_value_341 = NIT_NULL; /* Once value for string variable[8]*/
-      static val_t once_value_342 = NIT_NULL; /* Once value for string variable[8]*/
-      static val_t once_value_343 = NIT_NULL; /* Once value for string variable[8]*/
-            static val_t once_value_344 = NIT_NULL; /* Once value for string variable[7]*/
-            static val_t once_value_345 = NIT_NULL; /* Once value for string variable[7]*/
-  val_t variable[9];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Local variable */
-  variable[2] =  param1;
-  /* Register variable[3]: Local variable */
-  variable[3] =  param2;
-  /* Register variable[4]: Method return value and escape marker */
-  /* Register variable[5]: Result */
-  variable[5] = CALL_syntax_base___AbsSyntaxVisitor___check_expr( variable[1] /*v*/)( variable[1] /*v*/,  variable[2] /*n_expr*/) /*AbsSyntaxVisitor::check_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[5])))) { /*if*/
-    goto return_label338;
-  }
-  /* Register variable[5]: Local variable */
-  /* Register variable[6]: Result */
-  variable[6] = CALL_syntax_base___PExpr___stype( variable[2] /*n_expr*/)( variable[2] /*n_expr*/) /*PExpr::stype*/;
-  variable[5] = variable[6];
-  /* Register variable[6]: Local variable */
-  /* Register variable[7]: Result */
-  variable[7] = CALL_typing___PType___stype( variable[3] /*n_type*/)( variable[3] /*n_type*/) /*PType::stype*/;
-  variable[6] = variable[7];
-  /* Register variable[7]: Result */
-  variable[7] = TAG_Bool(( variable[5] /*etype*/ ==  variable[6] /*ttype*/) || (( variable[5] /*etype*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[5] /*etype*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[5] /*etype*/, variable[6] /*ttype*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[5] /*etype*/)( variable[5] /*etype*/,  variable[6] /*ttype*/) /*Object::==*/)))));
-  if (UNTAG_Bool(variable[7])) { /*if*/
-    variable[7] = NEW_Array_array___Array___with_capacity(TAG_Int(3)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-    /* Register variable[8]: Once String constant */
-    if (once_value_339 != NIT_NULL) variable[8] = once_value_339;
-    else {
-      variable[8] = NEW_String_string___String___with_native(BOX_NativeString("Warning: Expression is already a "), TAG_Int(33)) /*new String*/;
-      once_value_339 = variable[8];
-    }
-    /* Register variable[8]: Result */
-    /* Ensure var variable[8]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-    variable[8] =  variable[6] /*ttype*/ /* Ensure var: super-string element*/;
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-    /* Register variable[8]: Once String constant */
-    if (once_value_340 != NIT_NULL) variable[8] = once_value_340;
-    else {
-      variable[8] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-      once_value_340 = variable[8];
-    }
-    /* Register variable[8]: Result */
-    /* Ensure var variable[8]: super-string element*/
-    CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-    /* Register variable[7]: Result */
-    variable[7] = CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/;
-    CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::warning*/;
-  } else { /*if*/
-    /* Register variable[7]: Result */
-    variable[7] = CALL_static_type___MMType_____l( variable[5] /*etype*/)( variable[5] /*etype*/,  variable[6] /*ttype*/) /*MMType::<*/;
-    if (UNTAG_Bool(variable[7])) { /*if*/
-      variable[7] = NEW_Array_array___Array___with_capacity(TAG_Int(5)) /*new Array[String]*/ /* Ensure var: Array (for super-string)*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_341 != NIT_NULL) variable[8] = once_value_341;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString("Warning: Expression is already a "), TAG_Int(33)) /*new String*/;
-        once_value_341 = variable[8];
-      }
-      /* Register variable[8]: Result */
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      variable[8] =  variable[6] /*ttype*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_342 != NIT_NULL) variable[8] = once_value_342;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString(" since it is a "), TAG_Int(15)) /*new String*/;
-        once_value_342 = variable[8];
+  label5: while(0);
+  /* ./syntax//typing.nit:1808 */
+  REGB2 = TAG_Bool(true);
+  ATTR_typing___AClosureDef____accept_typing2(fra.me.REG[0]) = REGB2;
+  /* ./syntax//typing.nit:1809 */
+  CALL_typing___ANode___accept_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1811 */
+  fra.me.REG[3] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  REGB2 = CALL_flow___FlowContext___unreash(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = TAG_Bool(false);
+  REGB0 = TAG_Bool(IS_EQUAL_OO(REGB2,REGB1));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    /* ./../lib/standard//kernel.nit:175 */
+    REGB1 = TAG_Bool((REGB2)==(REGB1));
+    /* ./syntax//typing.nit:1811 */
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1812 */
+    fra.me.REG[3] = CALL_syntax_base___AClosureDef___closure(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[3] = CALL_static_type___MMClosure___signature(fra.me.REG[3])(fra.me.REG[3]);
+    fra.me.REG[3] = CALL_static_type___MMSignature___return_type(fra.me.REG[3])(fra.me.REG[3]);
+    REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB0)) {
+    } else {
+      REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+      if (UNTAG_Bool(REGB1)) {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
+      } else {
+        REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+        REGB0 = REGB1;
       }
-      /* Register variable[8]: Result */
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      variable[8] =  variable[5] /*etype*/ /* Ensure var: super-string element*/;
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], CALL_string___Object___to_s(variable[8])(variable[8]) /*Object::to_s*/) /*AbstractArray::add*/;
-      /* Register variable[8]: Once String constant */
-      if (once_value_343 != NIT_NULL) variable[8] = once_value_343;
-      else {
-        variable[8] = NEW_String_string___String___with_native(BOX_NativeString("."), TAG_Int(1)) /*new String*/;
-        once_value_343 = variable[8];
+    }
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1813 */
+      if (!once_value_6) {
+        fra.me.REG[3] = BOX_NativeString("Control error: Reached end of block (a 'continue' with a value was expected).");
+        REGB0 = TAG_Int(77);
+        fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+        once_value_6 = fra.me.REG[3];
+        register_static_object(&once_value_6);
+      } else fra.me.REG[3] = once_value_6;
+      fra.me.REG[3] = fra.me.REG[3];
+      CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+    } else {
+      /* ./syntax//typing.nit:1814 */
+      fra.me.REG[3] = CALL_syntax_base___AClosureDef___closure(fra.me.REG[0])(fra.me.REG[0]);
+      REGB0 = CALL_static_type___MMClosure___is_break(fra.me.REG[3])(fra.me.REG[3]);
+      if (UNTAG_Bool(REGB0)) {
+        fra.me.REG[2] = CALL_scope___EscapableBlock___break_list(fra.me.REG[2])(fra.me.REG[2]);
+        REGB0 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+        if (UNTAG_Bool(REGB0)) {
+        } else {
+          REGB1 = TAG_Bool(fra.me.REG[2]==NIT_NULL);
+          if (UNTAG_Bool(REGB1)) {
+            REGB1 = TAG_Bool(false);
+            REGB0 = REGB1;
+          } else {
+            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], NIT_NULL);
+            REGB0 = REGB1;
+          }
+        }
+        REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+      } else {
+        REGB1 = TAG_Bool(false);
+        REGB0 = REGB1;
       }
-      /* Register variable[8]: Result */
-      /* Ensure var variable[8]: super-string element*/
-      CALL_abstract_collection___SimpleCollection___add(variable[7])(variable[7], variable[8]) /*AbstractArray::add*/;
-      /* Register variable[7]: Result */
-      variable[7] = CALL_string___Object___to_s(variable[7])(variable[7]) /*Object::to_s*/;
-      CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::warning*/;
-    } else { /*if*/
-      /* Register variable[7]: Result */
-      variable[7] = CALL_static_type___MMType___is_nullable( variable[5] /*etype*/)( variable[5] /*etype*/) /*MMType::is_nullable*/;
-      /* Ensure var variable[7]: Left 'and' operand*/
-      if (UNTAG_Bool(variable[7])) { /* and */
-        /* Register variable[7]: Result */
-        variable[7] = CALL_static_type___MMType___as_notnull( variable[5] /*etype*/)( variable[5] /*etype*/) /*MMType::as_notnull*/;
-        /* Register variable[7]: Result */
-        variable[7] = TAG_Bool((variable[7] ==  variable[6] /*ttype*/) || ((variable[7] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[7])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[7], variable[6] /*ttype*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[7])(variable[7],  variable[6] /*ttype*/) /*Object::==*/)))));
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:1815 */
+        if (!once_value_7) {
+          fra.me.REG[2] = BOX_NativeString("Control error: Reached end of break block (a 'break' with a value was expected).");
+          REGB0 = TAG_Int(80);
+          fra.me.REG[2] = NEW_String_string___String___with_native(fra.me.REG[2], REGB0);
+          once_value_7 = fra.me.REG[2];
+          register_static_object(&once_value_7);
+        } else fra.me.REG[2] = once_value_7;
+        fra.me.REG[2] = fra.me.REG[2];
+        CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[2]);
       }
-      /* Register variable[7]: Result */
-      if (UNTAG_Bool(variable[7])) { /*if*/
-        /* Register variable[7]: Result */
-        variable[7] = TAG_Bool(( variable[6] /*ttype*/==NIT_NULL) || VAL_ISA( variable[6] /*ttype*/, COLOR_MMTypeFormal, ID_MMTypeFormal)) /*cast MMTypeFormal*/;
-        /* Ensure var variable[7]: Left 'and' operand*/
-        if (UNTAG_Bool(variable[7])) { /* and */
-          /* Register variable[7]: Result */
-          variable[7] = CALL_type_formal___MMTypeFormal___bound( variable[6] /*ttype*/)( variable[6] /*ttype*/) /*MMTypeFormal::bound*/;
-          /* Register variable[7]: Result */
-          variable[7] = CALL_static_type___MMType___is_nullable(variable[7])(variable[7]) /*MMType::is_nullable*/;
+    }
+  }
+  /* ./syntax//typing.nit:1818 */
+  CALL_typing___TypingVisitor___flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[4]);
+  /* ./syntax//typing.nit:1819 */
+  CALL_typing___TypingVisitor___base_flow_ctx__eq(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[5]);
+  /* ./syntax//typing.nit:1820 */
+  fra.me.REG[1] = CALL_typing___TypingVisitor___scope_ctx(fra.me.REG[1])(fra.me.REG[1]);
+  CALL_scope___ScopeContext___pop(fra.me.REG[1])(fra.me.REG[1]);
+  label4: while(0);
+  stack_frame_head = fra.me.prev;
+  return;
+}
+void typing___ATypeCheckExpr___check_expr_cast(val_t p0, val_t p1, val_t p2, val_t p3){
+  struct {struct stack_frame_t me; val_t MORE_REG[5];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+    static val_t once_value_3; /* Once value */
+      static val_t once_value_4; /* Once value */
+      static val_t once_value_5; /* Once value */
+      static val_t once_value_6; /* Once value */
+        static val_t once_value_7; /* Once value */
+        static val_t once_value_8; /* Once value */
+              static val_t once_value_9; /* Once value */
+              static val_t once_value_10; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1826;
+  fra.me.meth = LOCATE_typing___ATypeCheckExpr___check_expr_cast;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 6;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[5] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  fra.me.REG[2] = p2;
+  fra.me.REG[3] = p3;
+  /* ./syntax//typing.nit:1828 */
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1829 */
+  REGB0 = CALL_syntax_base___AType___is_typed(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1830 */
+  fra.me.REG[2] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1831 */
+  fra.me.REG[3] = CALL_syntax_base___AType___stype(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:1832 */
+  REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[3]));
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+    REGB0 = REGB1;
+  }
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1833 */
+    REGB0 = TAG_Int(3);
+    fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
+    if (!once_value_2) {
+      fra.me.REG[5] = BOX_NativeString("Warning: Expression is already a ");
+      REGB0 = TAG_Int(33);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+      once_value_2 = fra.me.REG[5];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[5] = once_value_2;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    if (!once_value_3) {
+      fra.me.REG[5] = BOX_NativeString(".");
+      REGB0 = TAG_Int(1);
+      fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+      once_value_3 = fra.me.REG[5];
+      register_static_object(&once_value_3);
+    } else fra.me.REG[5] = once_value_3;
+    fra.me.REG[5] = fra.me.REG[5];
+    CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+    fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+    CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+  } else {
+    /* ./syntax//typing.nit:1834 */
+    REGB0 = CALL_static_type___MMType_____l(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1835 */
+      REGB0 = TAG_Int(5);
+      fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
+      if (!once_value_4) {
+        fra.me.REG[5] = BOX_NativeString("Warning: Expression is already a ");
+        REGB0 = TAG_Int(33);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_4 = fra.me.REG[5];
+        register_static_object(&once_value_4);
+      } else fra.me.REG[5] = once_value_4;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      if (!once_value_5) {
+        fra.me.REG[5] = BOX_NativeString(" since it is a ");
+        REGB0 = TAG_Int(15);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_5 = fra.me.REG[5];
+        register_static_object(&once_value_5);
+      } else fra.me.REG[5] = once_value_5;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[2])(fra.me.REG[2]);
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      if (!once_value_6) {
+        fra.me.REG[5] = BOX_NativeString(".");
+        REGB0 = TAG_Int(1);
+        fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+        once_value_6 = fra.me.REG[5];
+        register_static_object(&once_value_6);
+      } else fra.me.REG[5] = once_value_6;
+      fra.me.REG[5] = fra.me.REG[5];
+      CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+      fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+      CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+    } else {
+      /* ./syntax//typing.nit:1836 */
+      REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+      if (UNTAG_Bool(REGB0)) {
+        /* ./syntax//typing.nit:1838 */
+        REGB0 = TAG_Int(3);
+        fra.me.REG[4] = NEW_Array_array___Array___with_capacity(REGB0);
+        if (!once_value_7) {
+          fra.me.REG[5] = BOX_NativeString("Warning: Expression is null therefore cannot be a ");
+          REGB0 = TAG_Int(50);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+          once_value_7 = fra.me.REG[5];
+          register_static_object(&once_value_7);
+        } else fra.me.REG[5] = once_value_7;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        fra.me.REG[5] = CALL_string___Object___to_s(fra.me.REG[3])(fra.me.REG[3]);
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        if (!once_value_8) {
+          fra.me.REG[5] = BOX_NativeString(".");
+          REGB0 = TAG_Int(1);
+          fra.me.REG[5] = NEW_String_string___String___with_native(fra.me.REG[5], REGB0);
+          once_value_8 = fra.me.REG[5];
+          register_static_object(&once_value_8);
+        } else fra.me.REG[5] = once_value_8;
+        fra.me.REG[5] = fra.me.REG[5];
+        CALL_abstract_collection___SimpleCollection___add(fra.me.REG[4])(fra.me.REG[4], fra.me.REG[5]);
+        fra.me.REG[4] = CALL_string___Object___to_s(fra.me.REG[4])(fra.me.REG[4]);
+        CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[4]);
+      } else {
+        /* ./syntax//typing.nit:1839 */
+        REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[2])(fra.me.REG[2]);
+        if (UNTAG_Bool(REGB0)) {
+          fra.me.REG[2] = CALL_static_type___MMType___as_notnull(fra.me.REG[2])(fra.me.REG[2]);
+          REGB0 = TAG_Bool(IS_EQUAL_OO(fra.me.REG[2],fra.me.REG[3]));
+          if (UNTAG_Bool(REGB0)) {
+          } else {
+            REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[3]);
+            REGB0 = REGB1;
+          }
+        } else {
+          REGB1 = TAG_Bool(false);
+          REGB0 = REGB1;
         }
-        /* Register variable[7]: Result */
-        if (UNTAG_Bool(variable[7])) { /*if*/
-        } else { /*if*/
-          /* Register variable[7]: Result */
-          variable[7] = TAG_Bool((variable[0]==NIT_NULL) || VAL_ISA(variable[0], COLOR_AIsaExpr, ID_AIsaExpr)) /*cast AIsaExpr*/;
-          if (UNTAG_Bool(variable[7])) { /*if*/
-            /* Register variable[7]: Once String constant */
-            if (once_value_344 != NIT_NULL) variable[7] = once_value_344;
-            else {
-              variable[7] = NEW_String_string___String___with_native(BOX_NativeString("Warning: Prefer '!= null'."), TAG_Int(26)) /*new String*/;
-              once_value_344 = variable[7];
-            }
-            /* Register variable[7]: Result */
-            CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::warning*/;
-          } else { /*if*/
-            /* Register variable[7]: Once String constant */
-            if (once_value_345 != NIT_NULL) variable[7] = once_value_345;
-            else {
-              variable[7] = NEW_String_string___String___with_native(BOX_NativeString("Warning: Prefer '.as(not null)'."), TAG_Int(32)) /*new String*/;
-              once_value_345 = variable[7];
+        if (UNTAG_Bool(REGB0)) {
+          /* ./syntax//typing.nit:1840 */
+          REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[3], COLOR_MMTypeFormal, ID_MMTypeFormal)) /*cast MMTypeFormal*/;
+          if (UNTAG_Bool(REGB0)) {
+            fra.me.REG[3] = CALL_type_formal___MMTypeFormal___bound(fra.me.REG[3])(fra.me.REG[3]);
+            REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[3])(fra.me.REG[3]);
+          } else {
+            REGB1 = TAG_Bool(false);
+            REGB0 = REGB1;
+          }
+          if (UNTAG_Bool(REGB0)) {
+          } else {
+            /* ./syntax//typing.nit:1846 */
+            REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[0], COLOR_AIsaExpr, ID_AIsaExpr)) /*cast AIsaExpr*/;
+            if (UNTAG_Bool(REGB0)) {
+              /* ./syntax//typing.nit:1847 */
+              if (!once_value_9) {
+		fra.me.REG[3] = BOX_NativeString("Warning: Prefer '!= null'.");
+		REGB0 = TAG_Int(26);
+		fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+		once_value_9 = fra.me.REG[3];
+		register_static_object(&once_value_9);
+              } else fra.me.REG[3] = once_value_9;
+              fra.me.REG[3] = fra.me.REG[3];
+              CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
+            } else {
+              /* ./syntax//typing.nit:1849 */
+              if (!once_value_10) {
+		fra.me.REG[3] = BOX_NativeString("Warning: Prefer '.as(not null)'.");
+		REGB0 = TAG_Int(32);
+		fra.me.REG[3] = NEW_String_string___String___with_native(fra.me.REG[3], REGB0);
+		once_value_10 = fra.me.REG[3];
+		register_static_object(&once_value_10);
+              } else fra.me.REG[3] = once_value_10;
+              fra.me.REG[3] = fra.me.REG[3];
+              CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[0], fra.me.REG[3]);
             }
-            /* Register variable[7]: Result */
-            CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[7]) /*AbsSyntaxVisitor::warning*/;
           }
         }
       }
     }
   }
-  return_label338: while(false);
-  tracehead = trace.prev;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AIsaExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1612, LOCATE_typing___AIsaExpr___after_typing};
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AIsaExpr___n_expr(variable[0])(variable[0]) /*AIsaExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIsaExpr___n_type(variable[0])(variable[0]) /*AIsaExpr::n_type*/;
-  CALL_typing___ATypeCheckExpr___check_expr_cast(variable[0])(variable[0],  variable[1] /*v*/, variable[3], variable[4]) /*ATypeCheckExpr::check_expr_cast*/;
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AIsaExpr___n_expr(variable[0])(variable[0]) /*AIsaExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_typing___PExpr___its_variable(variable[4])(variable[4]) /*PExpr::its_variable*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(!UNTAG_Bool(TAG_Bool(( variable[3] /*variable*/ ==  NIT_NULL /*null*/) || (( variable[3] /*variable*/ != NIT_NULL) && ((CALL_kernel___Object_____eqeq( variable[3] /*variable*/)==kernel___Object_____eqeq)?(IS_EQUAL_NN( variable[3] /*variable*/, NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq( variable[3] /*variable*/)( variable[3] /*variable*/,  NIT_NULL /*null*/) /*Object::==*/)))))));
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_typing___TypingVisitor___variable_ctx( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::variable_ctx*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_parser_nodes___AIsaExpr___n_type(variable[0])(variable[0]) /*AIsaExpr::n_type*/;
-    /* Register variable[5]: Result */
-    variable[5] = CALL_typing___PType___stype(variable[5])(variable[5]) /*PType::stype*/;
-    /* Register variable[4]: Result */
-    variable[4] = CALL_control_flow___VariableContext___sub_with(variable[4])(variable[4], variable[0],  variable[3] /*variable*/, variable[5]) /*VariableContext::sub_with*/;
-    ATTR_typing___PExpr____if_true_variable_ctx(variable[0]) /*PExpr::_if_true_variable_ctx*/ = variable[4];
-  }
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___AbsSyntaxVisitor___type_bool( variable[1] /*v*/)( variable[1] /*v*/) /*AbsSyntaxVisitor::type_bool*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[4];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label346: while(false);
-  tracehead = trace.prev;
+void typing___AIsaExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1857;
+  fra.me.meth = LOCATE_typing___AIsaExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1859 */
+  fra.me.REG[2] = CALL_parser_nodes___AIsaExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_parser_nodes___AIsaExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___ATypeCheckExpr___check_expr_cast(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:1860 */
+  fra.me.REG[3] = CALL_parser_nodes___AIsaExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AType___is_typed(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1861 */
+  fra.me.REG[3] = CALL_parser_nodes___AIsaExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_typing___AExpr___its_variable(fra.me.REG[3])(fra.me.REG[3]);
+  /* ./syntax//typing.nit:1862 */
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1863 */
+    fra.me.REG[2] = CALL_typing___TypingVisitor___flow_ctx(fra.me.REG[1])(fra.me.REG[1]);
+    fra.me.REG[4] = CALL_parser_nodes___AIsaExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+    fra.me.REG[4] = CALL_syntax_base___AType___stype(fra.me.REG[4])(fra.me.REG[4]);
+    fra.me.REG[4] = CALL_flow___FlowContext___sub_with(fra.me.REG[2])(fra.me.REG[2], fra.me.REG[0], fra.me.REG[3], fra.me.REG[4]);
+    ATTR_typing___AExpr____if_true_flow_ctx(fra.me.REG[0]) = fra.me.REG[4];
+  }
+  /* ./syntax//typing.nit:1865 */
+  fra.me.REG[1] = CALL_syntax_base___AbsSyntaxVisitor___type_bool(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  /* ./syntax//typing.nit:1866 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AAsCastExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1626, LOCATE_typing___AAsCastExpr___after_typing};
-  val_t variable[5];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAsCastExpr___n_expr(variable[0])(variable[0]) /*AAsCastExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAsCastExpr___n_type(variable[0])(variable[0]) /*AAsCastExpr::n_type*/;
-  CALL_typing___ATypeCheckExpr___check_expr_cast(variable[0])(variable[0],  variable[1] /*v*/, variable[3], variable[4]) /*ATypeCheckExpr::check_expr_cast*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAsCastExpr___n_type(variable[0])(variable[0]) /*AAsCastExpr::n_type*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___PType___stype(variable[3])(variable[3]) /*PType::stype*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  /* Register variable[3]: Result */
-  variable[3] = ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool(!UNTAG_Bool(TAG_Bool((variable[3] ==  NIT_NULL /*null*/) || ((variable[3] != NIT_NULL) && ((CALL_kernel___Object_____eqeq(variable[3])==kernel___Object_____eqeq)?(IS_EQUAL_NN(variable[3], NIT_NULL /*null*/)):(UNTAG_Bool(CALL_kernel___Object_____eqeq(variable[3])(variable[3],  NIT_NULL /*null*/) /*Object::==*/)))))));
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ = variable[3];
-  return_label347: while(false);
-  tracehead = trace.prev;
+void typing___AAsCastExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[3];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1872;
+  fra.me.meth = LOCATE_typing___AAsCastExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 4;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1874 */
+  fra.me.REG[2] = CALL_parser_nodes___AAsCastExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_parser_nodes___AAsCastExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+  CALL_typing___ATypeCheckExpr___check_expr_cast(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1], fra.me.REG[2], fra.me.REG[3]);
+  /* ./syntax//typing.nit:1875 */
+  fra.me.REG[3] = CALL_parser_nodes___AAsCastExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AType___is_typed(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1876 */
+  fra.me.REG[3] = CALL_parser_nodes___AAsCastExpr___n_type(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[3] = CALL_syntax_base___AType___stype(fra.me.REG[3])(fra.me.REG[3]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[3];
+  /* ./syntax//typing.nit:1877 */
+  fra.me.REG[3] = ATTR_typing___AExpr____stype(fra.me.REG[0]);
+  REGB0 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+  if (UNTAG_Bool(REGB0)) {
+  } else {
+    REGB1 = TAG_Bool(fra.me.REG[3]==NIT_NULL);
+    if (UNTAG_Bool(REGB1)) {
+      REGB1 = TAG_Bool(false);
+      REGB0 = REGB1;
+    } else {
+      REGB1 = CALL_kernel___Object_____eqeq(fra.me.REG[3])(fra.me.REG[3], NIT_NULL);
+      REGB0 = REGB1;
+    }
+  }
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AAsNotnullExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1635, LOCATE_typing___AAsNotnullExpr___after_typing};
-    static val_t once_value_349 = NIT_NULL; /* Once value for string variable[5]*/
-      static val_t once_value_350 = NIT_NULL; /* Once value for string variable[5]*/
-  val_t variable[6];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AAsNotnullExpr___n_expr(variable[0])(variable[0]) /*AAsNotnullExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___AbsSyntaxVisitor___check_expr( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*AbsSyntaxVisitor::check_expr*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    goto return_label348;
-  }
-  /* Register variable[3]: Local variable */
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAsNotnullExpr___n_expr(variable[0])(variable[0]) /*AAsNotnullExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___PExpr___stype(variable[4])(variable[4]) /*PExpr::stype*/;
-  variable[3] = variable[4];
-  /* Register variable[4]: Result */
-  variable[4] = TAG_Bool(( variable[3] /*t*/==NIT_NULL) || VAL_ISA( variable[3] /*t*/, COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
-  if (UNTAG_Bool(variable[4])) { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_parser_nodes___AAsNotnullExpr___n_expr(variable[0])(variable[0]) /*AAsNotnullExpr::n_expr*/;
-    /* Register variable[5]: Once String constant */
-    if (once_value_349 != NIT_NULL) variable[5] = once_value_349;
-    else {
-      variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Type error: 'as(not null)' on 'null' value."), TAG_Int(43)) /*new String*/;
-      once_value_349 = variable[5];
-    }
-    /* Register variable[5]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___error( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::error*/;
-    goto return_label348;
-  } else { /*if*/
-    /* Register variable[4]: Result */
-    variable[4] = CALL_static_type___MMType___is_nullable( variable[3] /*t*/)( variable[3] /*t*/) /*MMType::is_nullable*/;
-    if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[4])))) { /*if*/
-      /* Register variable[4]: Result */
-      variable[4] = CALL_parser_nodes___AAsNotnullExpr___n_expr(variable[0])(variable[0]) /*AAsNotnullExpr::n_expr*/;
-      /* Register variable[5]: Once String constant */
-      if (once_value_350 != NIT_NULL) variable[5] = once_value_350;
-      else {
-        variable[5] = NEW_String_string___String___with_native(BOX_NativeString("Warning: 'as(not null)' on non nullable type."), TAG_Int(45)) /*new String*/;
-        once_value_350 = variable[5];
-      }
-      /* Register variable[5]: Result */
-      CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/, variable[4], variable[5]) /*AbsSyntaxVisitor::warning*/;
-    }
-  }
-  /* Register variable[4]: Result */
-  variable[4] = CALL_parser_nodes___AAsNotnullExpr___n_expr(variable[0])(variable[0]) /*AAsNotnullExpr::n_expr*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_syntax_base___PExpr___stype(variable[4])(variable[4]) /*PExpr::stype*/;
-  /* Register variable[4]: Result */
-  variable[4] = CALL_static_type___MMType___as_notnull(variable[4])(variable[4]) /*MMType::as_notnull*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[4];
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  return_label348: while(false);
-  tracehead = trace.prev;
+void typing___AAsNotnullExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t tmp;
+    static val_t once_value_2; /* Once value */
+      static val_t once_value_3; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1882;
+  fra.me.meth = LOCATE_typing___AAsNotnullExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1884 */
+  fra.me.REG[2] = CALL_parser_nodes___AAsNotnullExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AbsSyntaxVisitor___check_expr(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1885 */
+  fra.me.REG[2] = CALL_parser_nodes___AAsNotnullExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[2] = CALL_syntax_base___AExpr___stype(fra.me.REG[2])(fra.me.REG[2]);
+  /* ./syntax//typing.nit:1886 */
+  REGB0 = TAG_Bool(VAL_ISA(fra.me.REG[2], COLOR_MMTypeNone, ID_MMTypeNone)) /*cast MMTypeNone*/;
+  if (UNTAG_Bool(REGB0)) {
+    /* ./syntax//typing.nit:1887 */
+    fra.me.REG[3] = CALL_parser_nodes___AAsNotnullExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+    if (!once_value_2) {
+      fra.me.REG[4] = BOX_NativeString("Type error: 'as(not null)' on 'null' value.");
+      REGB0 = TAG_Int(43);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+      once_value_2 = fra.me.REG[4];
+      register_static_object(&once_value_2);
+    } else fra.me.REG[4] = once_value_2;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_syntax_base___AbsSyntaxVisitor___error(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[3], fra.me.REG[4]);
+    /* ./syntax//typing.nit:1888 */
+    goto label1;
+  } else {
+    /* ./syntax//typing.nit:1889 */
+    REGB0 = CALL_static_type___MMType___is_nullable(fra.me.REG[2])(fra.me.REG[2]);
+    REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+    if (UNTAG_Bool(REGB0)) {
+      /* ./syntax//typing.nit:1890 */
+      fra.me.REG[2] = CALL_parser_nodes___AAsNotnullExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+      if (!once_value_3) {
+        fra.me.REG[4] = BOX_NativeString("Warning: 'as(not null)' on non nullable type.");
+        REGB0 = TAG_Int(45);
+        fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB0);
+        once_value_3 = fra.me.REG[4];
+        register_static_object(&once_value_3);
+      } else fra.me.REG[4] = once_value_3;
+      fra.me.REG[4] = fra.me.REG[4];
+      CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[1])(fra.me.REG[1], fra.me.REG[2], fra.me.REG[4]);
+    }
+  }
+  /* ./syntax//typing.nit:1892 */
+  fra.me.REG[4] = CALL_parser_nodes___AAsNotnullExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[4] = CALL_syntax_base___AExpr___stype(fra.me.REG[4])(fra.me.REG[4]);
+  fra.me.REG[4] = CALL_static_type___MMType___as_notnull(fra.me.REG[4])(fra.me.REG[4]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[4];
+  /* ./syntax//typing.nit:1893 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AProxyExpr___after_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1651, LOCATE_typing___AProxyExpr___after_typing};
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AProxyExpr___n_expr(variable[0])(variable[0]) /*AProxyExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___is_typed(variable[3])(variable[3]) /*PExpr::is_typed*/;
-  if (UNTAG_Bool( TAG_Bool(!UNTAG_Bool(variable[3])))) { /*if*/
-    goto return_label351;
-  }
-  ATTR_typing___PExpr____is_typed(variable[0]) /*PExpr::_is_typed*/ =  TAG_Bool(true);
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AProxyExpr___n_expr(variable[0])(variable[0]) /*AProxyExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___is_statement(variable[3])(variable[3]) /*PExpr::is_statement*/;
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    goto return_label351;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_parser_nodes___AProxyExpr___n_expr(variable[0])(variable[0]) /*AProxyExpr::n_expr*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_syntax_base___PExpr___stype(variable[3])(variable[3]) /*PExpr::stype*/;
-  ATTR_typing___PExpr____stype(variable[0]) /*PExpr::_stype*/ = variable[3];
-  return_label351: while(false);
-  tracehead = trace.prev;
+void typing___AProxyExpr___after_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[1];} fra;
+  val_t REGB0;
+  val_t tmp;
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1898;
+  fra.me.meth = LOCATE_typing___AProxyExpr___after_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 2;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1900 */
+  fra.me.REG[1] = CALL_parser_nodes___AProxyExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AExpr___is_typed(fra.me.REG[1])(fra.me.REG[1]);
+  REGB0 = TAG_Bool(!UNTAG_Bool(REGB0));
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1901 */
+  REGB0 = TAG_Bool(true);
+  ATTR_typing___AExpr____is_typed(fra.me.REG[0]) = REGB0;
+  /* ./syntax//typing.nit:1902 */
+  fra.me.REG[1] = CALL_parser_nodes___AProxyExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  REGB0 = CALL_syntax_base___AExpr___is_statement(fra.me.REG[1])(fra.me.REG[1]);
+  if (UNTAG_Bool(REGB0)) {
+    goto label1;
+  }
+  /* ./syntax//typing.nit:1903 */
+  fra.me.REG[1] = CALL_parser_nodes___AProxyExpr___n_expr(fra.me.REG[0])(fra.me.REG[0]);
+  fra.me.REG[1] = CALL_syntax_base___AExpr___stype(fra.me.REG[1])(fra.me.REG[1]);
+  ATTR_typing___AExpr____stype(fra.me.REG[0]) = fra.me.REG[1];
+  label1: while(0);
+  stack_frame_head = fra.me.prev;
   return;
 }
-void typing___AOnceExpr___accept_typing(val_t  self, val_t  param0) {
-  struct trace_t trace = {NULL, NULL, 1661, LOCATE_typing___AOnceExpr___accept_typing};
-    static val_t once_value_353 = NIT_NULL; /* Once value for string variable[3]*/
-  val_t variable[4];
-  struct WBT_ **closurevariable = NULL;
-  trace.prev = tracehead; tracehead = &trace;
-  trace.file = LOCATE_typing;
-  /* Register variable[0]: Local variable */
-  variable[0] =  self;
-  /* Register variable[1]: Local variable */
-  variable[1] =  param0;
-  /* Register variable[2]: Method return value and escape marker */
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___once_count( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::once_count*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Bool(UNTAG_Int(variable[3])>UNTAG_Int( TAG_Int(0)));
-  if (UNTAG_Bool(variable[3])) { /*if*/
-    /* Register variable[3]: Once String constant */
-    if (once_value_353 != NIT_NULL) variable[3] = once_value_353;
-    else {
-      variable[3] = NEW_String_string___String___with_native(BOX_NativeString("Useless once in a once expression."), TAG_Int(34)) /*new String*/;
-      once_value_353 = variable[3];
-    }
-    /* Register variable[3]: Result */
-    CALL_syntax_base___AbsSyntaxVisitor___warning( variable[1] /*v*/)( variable[1] /*v*/, variable[0], variable[3]) /*AbsSyntaxVisitor::warning*/;
-  }
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___once_count( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::once_count*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Int(UNTAG_Int(variable[3])+UNTAG_Int( TAG_Int(1)));
-  CALL_typing___TypingVisitor___once_count__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*TypingVisitor::once_count=*/;
-  CALL_SUPER_typing___AOnceExpr___accept_typing(variable[0])(variable[0], variable[1]) /*super AOnceExpr::accept_typing*/;
-  /* Register variable[3]: Result */
-  variable[3] = CALL_typing___TypingVisitor___once_count( variable[1] /*v*/)( variable[1] /*v*/) /*TypingVisitor::once_count*/;
-  /* Register variable[3]: Result */
-  variable[3] = TAG_Int(UNTAG_Int(variable[3])-UNTAG_Int( TAG_Int(1)));
-  CALL_typing___TypingVisitor___once_count__eq( variable[1] /*v*/)( variable[1] /*v*/, variable[3]) /*TypingVisitor::once_count=*/;
-  return_label352: while(false);
-  tracehead = trace.prev;
+void typing___AOnceExpr___accept_typing(val_t p0, val_t p1){
+  struct {struct stack_frame_t me; val_t MORE_REG[4];} fra;
+  val_t REGB0;
+  val_t REGB1;
+  val_t tmp;
+    static val_t once_value_1; /* Once value */
+  fra.me.prev = stack_frame_head; stack_frame_head = &fra.me;
+  fra.me.file = LOCATE_typing;
+  fra.me.line = 1908;
+  fra.me.meth = LOCATE_typing___AOnceExpr___accept_typing;
+  fra.me.has_broke = 0;
+  fra.me.REG_size = 5;
+  fra.me.REG[0] = NIT_NULL;
+  fra.me.REG[1] = NIT_NULL;
+  fra.me.REG[2] = NIT_NULL;
+  fra.me.REG[3] = NIT_NULL;
+  fra.me.REG[4] = NIT_NULL;
+  fra.me.REG[0] = p0;
+  fra.me.REG[1] = p1;
+  /* ./syntax//typing.nit:1908 */
+  fra.me.REG[2] = fra.me.REG[0];
+  fra.me.REG[3] = fra.me.REG[1];
+  /* ./syntax//typing.nit:1910 */
+  REGB0 = CALL_typing___TypingVisitor___once_count(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = TAG_Int(0);
+  /* ./../lib/standard//kernel.nit:214 */
+  REGB1 = TAG_Bool(UNTAG_Int(REGB0)>UNTAG_Int(REGB1));
+  /* ./syntax//typing.nit:1910 */
+  if (UNTAG_Bool(REGB1)) {
+    /* ./syntax//typing.nit:1911 */
+    if (!once_value_1) {
+      fra.me.REG[4] = BOX_NativeString("Useless once in a once expression.");
+      REGB1 = TAG_Int(34);
+      fra.me.REG[4] = NEW_String_string___String___with_native(fra.me.REG[4], REGB1);
+      once_value_1 = fra.me.REG[4];
+      register_static_object(&once_value_1);
+    } else fra.me.REG[4] = once_value_1;
+    fra.me.REG[4] = fra.me.REG[4];
+    CALL_syntax_base___AbsSyntaxVisitor___warning(fra.me.REG[3])(fra.me.REG[3], fra.me.REG[2], fra.me.REG[4]);
+  }
+  /* ./syntax//typing.nit:1913 */
+  REGB1 = CALL_typing___TypingVisitor___once_count(fra.me.REG[3])(fra.me.REG[3]);
+  REGB0 = TAG_Int(1);
+  /* ./../lib/standard//kernel.nit:215 */
+  REGB0 = TAG_Int(UNTAG_Int(REGB1)+UNTAG_Int(REGB0));
+  /* ./syntax//typing.nit:1913 */
+  CALL_typing___TypingVisitor___once_count__eq(fra.me.REG[3])(fra.me.REG[3], REGB0);
+  /* ./syntax//typing.nit:1915 */
+  CALL_SUPER_typing___AOnceExpr___accept_typing(fra.me.REG[0])(fra.me.REG[0], fra.me.REG[1]);
+  /* ./syntax//typing.nit:1917 */
+  REGB0 = CALL_typing___TypingVisitor___once_count(fra.me.REG[3])(fra.me.REG[3]);
+  REGB1 = TAG_Int(1);
+  /* ./../lib/standard//kernel.nit:217 */
+  REGB1 = TAG_Int(UNTAG_Int(REGB0)-UNTAG_Int(REGB1));
+  /* ./syntax//typing.nit:1917 */
+  CALL_typing___TypingVisitor___once_count__eq(fra.me.REG[3])(fra.me.REG[3], REGB1);
+  stack_frame_head = fra.me.prev;
   return;
 }