Lines Matching refs:transition_map
5286 Handle<Map> transition_map(old_map->GetTransition(transition_index));
5287 DCHECK(transition_map->has_dictionary_elements());
5288 DCHECK(transition_map->is_frozen());
5289 DCHECK(!transition_map->is_extensible());
5290 JSObject::MigrateToMap(object, transition_map);
