vm.c (check_method_noarg): the value at `kidx` may not be a hash.
MODIFY
src/vm.c
src/vm.c
@@ -544,9 +544,12 @@ static void
check_method_noarg(mrb_state *mrb, const mrb_callinfo *ci)
{
int argc = ci->n == CALL_MAXARGS ? RARRAY_LEN(ci->stack[1]) : ci->n;
- if (ci->nk != 0 && !mrb_hash_empty_p(mrb, ci->stack[ci->n == CALL_MAXARGS ? 2 : ci->n + 1])) {
+ if (ci->nk > 0) {
+ mrb_value kdict = ci->stack[mrb_ci_kidx(ci)];
+ if (!(mrb_hash_p(kdict) && mrb_hash_empty_p(mrb, kdict))) {
argc++;
}
+ }
if (argc > 0) {
mrb_argnum_error(mrb, argc, 0, 0);
}

vm.c (check_method_noarg): the value at `kidx` may not be a hash.