Fix GC mole warning.

src/runtime.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdlib.h>
 #include <limits>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 1696 matching lines @@
   Handle<ObjectHashTable> table(ObjectHashTable::cast(holder->table()));
   Handle<FixedArray> entries =
       isolate->factory()->NewFixedArray(table->NumberOfElements() * 2);
   {
     DisallowHeapAllocation no_gc;
     int number_of_non_hole_elements = 0;
     for (int i = 0; i < table->Capacity(); i++) {
       Handle<Object> key(table->KeyAt(i), isolate);
       if (table->IsKey(*key)) {
         entries->set(number_of_non_hole_elements++, *key);
-        entries->set(number_of_non_hole_elements++, table->Lookup(key));
+        Object* value = table->Lookup(key);
+        entries->set(number_of_non_hole_elements++, value);
       }
     }
     DCHECK_EQ(table->NumberOfElements() * 2, number_of_non_hole_elements);
   }
   return *isolate->factory()->NewJSArrayWithElements(entries);
 }
 
 
 RUNTIME_FUNCTION(Runtime_MapIteratorNext) {
   SealHandleScope shs(isolate);
@@ skipping 13917 matching lines @@
   }
   return NULL;
 }
 
 
 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) {
   return &(kIntrinsicFunctions[static_cast<int>(id)]);
 }
 
 } }  // namespace v8::internal