4376   PrototypeInfo proto_info = PrototypeInfo::cast(map.prototype_info());  in PrototypeRegistryCompactionCallback()  local
4377   DCHECK_EQ(old_index, proto_info.registry_slot());  in PrototypeRegistryCompactionCallback()
4378   proto_info.set_registry_slot(new_index);  in PrototypeRegistryCompactionCallback()
4475     Handle<PrototypeInfo> proto_info =  in LazyRegisterPrototypeUser()  local
4477     Handle<Object> maybe_registry(proto_info->prototype_users(), isolate);  in LazyRegisterPrototypeUser()
4488       proto_info->set_prototype_users(*new_array);  in LazyRegisterPrototypeUser()
4498     current_user_info = proto_info;  in LazyRegisterPrototypeUser()
4525   Handle<PrototypeInfo> proto_info(PrototypeInfo::cast(maybe_proto_info),  in UnregisterPrototypeUser()  local
4528       WeakArrayList::cast(proto_info->prototype_users()), isolate);  in UnregisterPrototypeUser()
4574     PrototypeInfo proto_info = PrototypeInfo::cast(maybe_proto_info);  in InvalidatePrototypeChainsInternal()  local
4575     if (!proto_info.prototype_users().IsWeakArrayList()) {  in InvalidatePrototypeChainsInternal()
4579         WeakArrayList::cast(proto_info.prototype_users());  in InvalidatePrototypeChainsInternal()