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

diff --git a/src/compiler/separate_erasure_compiler.nit b/src/compiler/separate_erasure_compiler.nit
index 004d361..6f7d1e8 100644
--- a/src/compiler/separate_erasure_compiler.nit
+++ b/src/compiler/separate_erasure_compiler.nit
@@ -199,8 +199,6 @@ class SeparateErasureCompiler
 		var mtype = mclass.intro.bound_mtype
 		var c_name = mclass.c_name
 
-		var vft = self.method_tables[mclass]
-		var attrs = self.attr_tables[mclass]
 		var class_table = self.class_tables[mclass]
 		var v = self.new_visitor
 
@@ -230,7 +228,8 @@ class SeparateErasureCompiler
 			end
 			v.add_decl("&type_table_{c_name},")
 			v.add_decl("\{")
-			for i in [0 .. vft.length[ do
+			var vft = self.method_tables.get_or_null(mclass)
+			if vft != null then for i in [0 .. vft.length[ do
 				var mpropdef = vft[i]
 				if mpropdef == null then
 					v.add_decl("NULL, /* empty */")
@@ -274,7 +273,7 @@ class SeparateErasureCompiler
 			#Build BOX
 			self.provide_declaration("BOX_{c_name}", "val* BOX_{c_name}({mtype.ctype_extern});")
 			v.add_decl("/* allocate {mtype} */")
-			v.add_decl("val* BOX_{mtype.c_name}({mtype.ctype} value) \{")
+			v.add_decl("val* BOX_{mtype.c_name}({mtype.ctype_extern} value) \{")
 			v.add("struct instance_{c_name}*res = nit_alloc(sizeof(struct instance_{c_name}));")
 			v.require_declaration("class_{c_name}")
 			v.add("res->class = &class_{c_name};")
@@ -355,11 +354,18 @@ class SeparateErasureCompiler
 
 			var res = v.new_named_var(mtype, "self")
 			res.is_exact = true
-			v.add("{res} = nit_alloc(sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t));")
+			var attrs = self.attr_tables.get_or_null(mclass)
+			if attrs == null then
+				v.add("{res} = nit_alloc(sizeof(struct instance));")
+			else
+				v.add("{res} = nit_alloc(sizeof(struct instance) + {attrs.length}*sizeof(nitattribute_t));")
+			end
 			v.require_declaration("class_{c_name}")
 			v.add("{res}->class = &class_{c_name};")
-			self.generate_init_attr(v, res, mtype)
-			v.set_finalizer res
+			if attrs != null then
+				self.generate_init_attr(v, res, mtype)
+				v.set_finalizer res
+			end
 			v.add("return {res};")
 		end
 		v.add("\}")
@@ -615,7 +621,7 @@ class SeparateErasureCompilerVisitor
 			var res = self.new_var(mtype)
 			if compiler.runtime_type_analysis != null and not compiler.runtime_type_analysis.live_types.has(value.mtype.as(MClassType)) then
 				self.add("/*no boxing of {value.mtype}: {value.mtype} is not live! */")
-				self.add("PRINT_ERROR(\"Dead code executed!\\n\"); show_backtrace(1);")
+				self.add("PRINT_ERROR(\"Dead code executed!\\n\"); fatal_exit(1);")
 				return res
 			end
 			self.require_declaration("BOX_{valtype.c_name}")
@@ -643,7 +649,7 @@ class SeparateErasureCompilerVisitor
 
 	redef fun native_array_instance(elttype, length)
 	do
-		var nclass = self.get_class("NativeArray")
+		var nclass = mmodule.native_array_class
 		var mtype = nclass.get_mtype([elttype])
 		var res = self.new_var(mtype)
 		res.is_exact = true