Clean up weak objects in optimized code.

src/objects.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 11249 matching lines @@
                             GetElementsKind(), new_elements);
   }
 
   if (IsJSArray()) {
     JSArray::cast(this)->set_length(Smi::FromInt(length));
   }
   return new_elements;
 }
 
 
-bool Code::IsWeakEmbeddedObject(Kind kind, Object* object) {
-  if (kind != Code::OPTIMIZED_FUNCTION) return false;
-
-  if (object->IsMap()) {
-    return Map::cast(object)->CanTransition() &&
-           FLAG_collect_maps &&
-           FLAG_weak_embedded_maps_in_optimized_code;
-  }
-
-  if (object->IsJSObject() ||
-      (object->IsCell() && Cell::cast(object)->value()->IsJSObject())) {
-    return FLAG_weak_embedded_objects_in_optimized_code;
-  }
-
-  return false;
-}
-
-
 void JSObject::SetFastDoubleElementsCapacityAndLength(Handle<JSObject> object,
                                                       int capacity,
                                                       int length) {
   CALL_HEAP_FUNCTION_VOID(
       object->GetIsolate(),
       object->SetFastDoubleElementsCapacityAndLength(capacity, length));
 }
 
 
 MaybeObject* JSObject::SetFastDoubleElementsCapacityAndLength(
@@ skipping 5198 matching lines @@
 #define ERROR_MESSAGES_TEXTS(C, T) T,
   static const char* error_messages_[] = {
       ERROR_MESSAGES_LIST(ERROR_MESSAGES_TEXTS)
   };
 #undef ERROR_MESSAGES_TEXTS
   return error_messages_[reason];
 }
 
 
 } }  // namespace v8::internal