Handlify JSObject::AllocateStorageForMap method.

src/runtime.cc

 // 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 330 matching lines @@
 
 
 MaybeObject* TransitionElements(Handle<Object> object,
                                 ElementsKind to_kind,
                                 Isolate* isolate) {
   HandleScope scope(isolate);
   if (!object->IsJSObject()) return isolate->ThrowIllegalOperation();
   ElementsKind from_kind =
       Handle<JSObject>::cast(object)->map()->elements_kind();
   if (Map::IsValidElementsTransition(from_kind, to_kind)) {
-    Handle<Object> result = JSObject::TransitionElementsKind(
-        Handle<JSObject>::cast(object), to_kind);
-    if (result.is_null()) return isolate->ThrowIllegalOperation();
-    return *result;
+    JSObject::TransitionElementsKind(Handle<JSObject>::cast(object), to_kind);
+    return *object;
   }
   return isolate->ThrowIllegalOperation();
 }
 
 
 static const int kSmiLiteralMinimumLength = 1024;
 
 
 Handle<Object> Runtime::CreateArrayLiteralBoilerplate(
     Isolate* isolate,
@@ skipping 14433 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal