bool lazy_values(JSObject *self) {
  MOZ_ASSERT(is_instance(self));
  return JS::GetReservedSlot(self, Slots::HasLazyValues).toBoolean();
}
bool lazy_values(JSObject *self) {
  MOZ_ASSERT(is_instance(self));
  return JS::GetReservedSlot(self, Slots::HasLazyValues).toBoolean();
}