`ci` may be moved during `mrb_convert_type()`; ref
MODIFY
src/vm.c
src/vm.c
@@ -1387,6 +1387,8 @@ RETRY_TRY_BLOCK:
ci->mid = mid;
ci->proc = m;
ci->stackent = mrb->c->stack;
+ ci->target_class = c;
+ ci->pc = pc + 1;
{
int bidx;
mrb_value blk;
@@ -1402,10 +1404,9 @@ RETRY_TRY_BLOCK:
blk = regs[bidx];
if (!mrb_nil_p(blk) && mrb_type(blk) != MRB_TT_PROC) {
regs[bidx] = mrb_convert_type(mrb, blk, MRB_TT_PROC, "Proc", "to_proc");
+ ci = mrb->c->ci;
}
}
- ci->target_class = c;
- ci->pc = pc + 1;
/* prepare stack */
mrb->c->stack += a;

`ci` may be moved during `mrb_convert_type()`; ref #3474