| Index: src/bootstrapper.cc | 
| diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc | 
| index a51a9b117e7a1969acb146e047175eaf1ac4740e..0b39faab3296f7f280baeff85be8d84f5f87a3ef 100644 | 
| --- a/src/bootstrapper.cc | 
| +++ b/src/bootstrapper.cc | 
| @@ -2499,6 +2499,7 @@ void Genesis::TransferNamedProperties(Handle<JSObject> from, | 
| Handle<Name> key = Handle<Name>(Name::cast(raw_key)); | 
| Handle<Object> value = Handle<Object>(properties->ValueAt(i), | 
| isolate()); | 
| +        ASSERT(!value->IsCell()); | 
| if (value->IsJSGlobalPropertyCell()) { | 
| value = Handle<Object>(JSGlobalPropertyCell::cast(*value)->value(), | 
| isolate()); | 
|  |