nitg: protect some null runtime_type_analysis to fall back on unknown stuff

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/src/separate_compiler.nit b/src/separate_compiler.nit
index b8fa7de..666dfd4 100644 (file)
--- a/src/separate_compiler.nit
+++ b/src/separate_compiler.nit
@@ -722,7 +722,7 @@ class SeparateCompiler
                var attrs = self.attr_tables[mclass]
                var v = new_visitor
 
-               var is_dead = not runtime_type_analysis.live_classes.has(mclass) and mtype.ctype == "val*" and mclass.name != "NativeArray"
+               var is_dead = runtime_type_analysis != null and not runtime_type_analysis.live_classes.has(mclass) and mtype.ctype == "val*" and mclass.name != "NativeArray"
 
                v.add_decl("/* runtime class {c_name} */")
 
@@ -923,7 +923,7 @@ class SeparateCompilerVisitor
                else if mtype.ctype == "val*" then
                        var valtype = value.mtype.as(MClassType)
                        var res = self.new_var(mtype)
-                       if not compiler.runtime_type_analysis.live_types.has(valtype) then
+                       if compiler.runtime_type_analysis != null and not compiler.runtime_type_analysis.live_types.has(valtype) then
                                self.add("/*no autobox from {value.mtype} to {mtype}: {value.mtype} is not live! */")
                                self.add("printf(\"Dead code executed!\\n\"); show_backtrace(1);")
                                return res