From f8fea6931cc826cdc5c87a0574ff19235d328064 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Wed, 30 Oct 2013 12:01:18 +0900
Subject: preserve only arguments on stack; fix #1527

---
 src/vm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/vm.c b/src/vm.c
index a08565d55..155c31391 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -595,7 +595,7 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
   if (!mrb->c->stack) {
     stack_init(mrb);
   }
-  stack_extend(mrb, irep->nregs, irep->nregs);
+  stack_extend(mrb, irep->nregs, mrb->c->ci->argc + 2); /* argc + 2 (receiver and block) */
   mrb->c->ci->err = pc;
   mrb->c->ci->proc = proc;
   mrb->c->ci->nregs = irep->nregs + 1;
-- 
cgit v1.2.3