Lines Matching refs:is_extensible
1114 Maybe<bool> is_extensible = JSReceiver::IsExtensible(target);
1115 MAYBE_RETURN_NULL(is_extensible);
1117 if (is_extensible.FromJust()) return handler_proto;
4446 if (!receiver->map()->is_extensible() &&
5198 DCHECK(object->map()->is_extensible() ||
7719 if (!object->map()->is_extensible()) return Just(true);
7746 DCHECK(!object->map()->is_extensible());
7818 return iter.GetCurrent<JSObject>()->map()->is_extensible();
7820 return object->map()->is_extensible();
7866 if (attrs == NONE && !object->map()->is_extensible()) return Just(true);
7906 DCHECK(!transition_map->is_extensible());
12258 first->is_extensible() == second->is_extensible() &&
15531 Maybe<bool> is_extensible = JSReceiver::IsExtensible(target);
15532 if (is_extensible.IsNothing()) return Nothing<bool>();
15534 if (is_extensible.FromJust()) {
15631 bool all_extensible = object->map()->is_extensible();
15642 all_extensible = all_extensible && real_receiver->map()->is_extensible();
15832 DCHECK(object->map()->is_extensible());
