Fix the bug by the combination with `MRB_64BIT` and `MRB_INT32`.
Which is caused by `MRB_NAN_BOXING`.
MODIFY
src/dump.c
src/dump.c
@@ -934,14 +934,19 @@ dump_pool(mrb_state *mrb, const mrb_pool_value *p, FILE *fp)
{
if (p->tt & IREP_TT_NFLAG) { /* number */
switch (p->tt) {
- case IREP_TT_INT32:
- fprintf(fp, "{IREP_TT_INT32, {.i32=%" PRId32 "}},\n", p->u.i32);
- break;
#ifdef MRB_64BIT
case IREP_TT_INT64:
+ if (p->u.i64 < INT32_MIN || INT32_MAX < p->u.i64) {
fprintf(fp, "{IREP_TT_INT64, {.i64=%" PRId64 "}},\n", p->u.i64);
+ }
+ else {
+ fprintf(fp, "{IREP_TT_INT32, {.i64=%" PRId64 "}},\n", p->u.i64);
+ }
break;
#endif
+ case IREP_TT_INT32:
+ fprintf(fp, "{IREP_TT_INT32, {.i32=%" PRId32 "}},\n", p->u.i32);
+ break;
case IREP_TT_FLOAT:
if (p->u.f == 0) {
fprintf(fp, "{IREP_TT_FLOAT, {.f=%#.1f}},\n", p->u.f);

MODIFY
src/vm.c
src/vm.c
@@ -1018,10 +1018,16 @@ RETRY_TRY_BLOCK:
regs[a] = mrb_fixnum_value((mrb_int)pool[b].u.i32);
break;
case IREP_TT_INT64:
-#if defined(MRB_INT64) && defined(MRB_64BIT)
+#if defined(MRB_INT64)
regs[a] = mrb_fixnum_value((mrb_int)pool[b].u.i64);
break;
#else
+#if defined(MRB_64BIT)
+ if (INT32_MIN <= pool[b].u.i64 && pool[b].u.i64 <= INT32_MAX) {
+ regs[a] = mrb_fixnum_value((mrb_int)pool[b].u.i64);
+ break;
+ }
+#endif
{
mrb_value exc = mrb_exc_new_str_lit(mrb, E_RUNTIME_ERROR, "integer overflow");
mrb_exc_set(mrb, exc);

Fix the bug by the combination with `MRB_64BIT` and `MRB_INT32`.

Which is caused by `MRB_NAN_BOXING`.