GlobalDictionary now stores PropertyDetails in PropertyCells.

src/bootstrapper.cc

 // Copyright 2014 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 "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/code-stubs.h"
@@ skipping 2873 matching lines @@
     for (int i = 0; i < capacity; i++) {
       Object* raw_key(properties->KeyAt(i));
       if (properties->IsKey(raw_key)) {
         DCHECK(raw_key->IsName());
         // If the property is already there we skip it.
         Handle<Name> key(Name::cast(raw_key));
         LookupIterator it(to, key, LookupIterator::OWN_SKIP_INTERCEPTOR);
         CHECK_NE(LookupIterator::ACCESS_CHECK, it.state());
         if (it.IsFound()) continue;
         // Set the property.
-        Handle<Object> value =
-            Handle<Object>(properties->ValueAt(i), isolate());
-        DCHECK(value->IsPropertyCell());
-        value = handle(PropertyCell::cast(*value)->value(), isolate());
+        DCHECK(properties->ValueAt(i)->IsPropertyCell());
+        Handle<PropertyCell> cell(PropertyCell::cast(properties->ValueAt(i)));
+        Handle<Object> value(cell->value(), isolate());
         if (value->IsTheHole()) continue;
-        PropertyDetails details = properties->DetailsAt(i);
+        PropertyDetails details = cell->property_details();
         DCHECK_EQ(kData, details.kind());
         JSObject::AddProperty(to, key, value, details.attributes());
       }
     }
   } else {
     Handle<NameDictionary> properties =
         Handle<NameDictionary>(from->property_dictionary());
     int capacity = properties->Capacity();
     for (int i = 0; i < capacity; i++) {
       Object* raw_key(properties->KeyAt(i));
@@ skipping 203 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 } }  // namespace v8::internal