Clear VM stack in OP_EXEC; ref #3678

mruby · May 31, 2017 · b0f2bc3 · b0f2bc3
1 parent eb69eeb
commit b0f2bc3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/vm.c b/src/vm.c
@@ -2630,6 +2630,7 @@ mrb_vm_exec(mrb_state *mrb, struct RProc *proc, mrb_code *pc)
       pool = irep->pool;
       syms = irep->syms;
       stack_extend(mrb, irep->nregs);
+      stack_clear(regs+1, irep->nregs-1);
       ci->nregs = irep->nregs;
       pc = irep->iseq;
       JUMP;