Handlify Object::GetPrototype and (most) callers.

src/ic-inl.h

 // Copyright 2012 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 139 matching lines @@
 InlineCacheHolderFlag IC::GetCodeCacheForObject(Object* object) {
   if (object->IsJSObject()) return OWN_MAP;
 
   // If the object is a value, we use the prototype map for the cache.
   ASSERT(object->IsString() || object->IsSymbol() ||
          object->IsNumber() || object->IsBoolean());
   return PROTOTYPE_MAP;
 }
 
 
-HeapObject* IC::GetCodeCacheHolder(Isolate* isolate,
-                                   Object* object,
-                                   InlineCacheHolderFlag holder) {
+Handle<HeapObject> IC::GetCodeCacheHolder(Isolate* isolate,
+                                          Handle<Object> object,
+                                          InlineCacheHolderFlag holder) {

[Yang, 2014/04/15 13:10:48]

No need to handlify.

   if (object->IsSmi()) holder = PROTOTYPE_MAP;
-  Object* map_owner = holder == OWN_MAP
-      ? object : object->GetPrototype(isolate);
-  return HeapObject::cast(map_owner);
+  Handle<Object> map_owner = holder == OWN_MAP
+      ? object : Object::GetPrototype(isolate, object);
+  return handle(HeapObject::cast(*map_owner));
 }
 
 
 InlineCacheHolderFlag IC::GetCodeCacheFlag(HeapType* type) {
   if (type->Is(HeapType::Boolean()) ||
       type->Is(HeapType::Number()) ||
       type->Is(HeapType::String()) ||
       type->Is(HeapType::Symbol())) {
     return PROTOTYPE_MAP;
   }
@@ skipping 19 matching lines @@
     }
     return handle(JSObject::cast(constructor->instance_prototype())->map());
   }
   return TypeToMap(type, isolate);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_INL_H_