Avoid updating to reallocated stack in `OP_RETURN`; fix
The code was introduced to address but it's no longer needed.
MODIFY
src/vm.c
src/vm.c
@@ -1882,7 +1882,6 @@ RETRY_TRY_BLOCK:
if (mrb->exc) {
mrb_callinfo *ci0;
- mrb_value *stk;
L_RAISE:
ci0 = ci = mrb->c->ci;
@@ -1890,7 +1889,6 @@ RETRY_TRY_BLOCK:
if (ci->ridx == 0) goto L_FTOP;
goto L_RESCUE;
}
- stk = mrb->c->stack;
while (ci[0].ridx == ci[-1].ridx) {
cipop(mrb);
mrb->c->stack = ci->stackent;
@@ -1900,7 +1898,6 @@ RETRY_TRY_BLOCK:
}
ci = mrb->c->ci;
if (ci == mrb->c->cibase) {
- mrb->c->stack = stk;
if (ci->ridx == 0) {
L_FTOP: /* fiber top */
if (mrb->c == mrb->root_c) {

Avoid updating to reallocated stack in `OP_RETURN`; fix #3870

The code was introduced to address #3175 but it's no longer needed.