Clear VM stack for top level; fix
Top-level local variables contained junk after
@@ -851,13 +851,19 @@ mrb_vm_run(mrb_state *mrb, struct RProc *proc, mrb_value self, unsigned int stac
mrb_value result;
struct mrb_context *c = mrb->c;
int cioff = c->ci - c->cibase;
+ int nregs = irep->nregs;
+ mrb_value *stk;
if (!c->stack) {
stack_init(mrb);
}
- if (stack_keep < irep->nregs)
- stack_keep = irep->nregs;
- stack_extend(mrb, stack_keep);
+ if (stack_keep > nregs)
+ nregs = stack_keep;
+ stk = c->stack + stack_keep;
+ if (stk < c->stend) {
+ stack_clear(stk, c->stend - stk);
+ }
+ stack_extend(mrb, nregs);
c->stack[0] = self;
result = mrb_vm_exec(mrb, proc, irep->iseq);
if (c->ci - c->cibase > cioff) {
