Avoid `NoMethodError` exception from `mrb_func_basic_p`.
MRB_API mrb_bool
mrb_func_basic_p(mrb_state *mrb, mrb_value obj, mrb_sym mid, mrb_func_t func)
{
- mrb_method_t m = mrb_method_search(mrb, mrb_class(mrb, obj), mid);
+ struct RClass *c = mrb_class(mrb, obj);
+ mrb_method_t m = mrb_method_search_vm(mrb, &c, mid);
struct RProc *p;
if (MRB_METHOD_UNDEF_P(m)) return FALSE;
