FFI Compiler based on code stub assembler

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index bbe1ed8554a8c2e2afbc23114c20e42910d1b193..47f965be7daf1555eb25b1cd1f34971626a9d705 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -1384,6 +1384,7 @@ Handle<JSFunction> Factory::NewFunction(Handle<Map> map,
       map.is_identical_to(isolate()->strict_function_without_prototype_map()) ||
       // TODO(titzer): wasm_function_map() could be undefined here. ugly.
       (*map == context->get(Context::WASM_FUNCTION_MAP_INDEX)) ||
+      (*map == context->get(Context::NATIVE_FUNCTION_MAP_INDEX)) ||
       map.is_identical_to(isolate()->proxy_function_map()));
   return NewFunction(map, info, context);
 }