From 40ea525d1e5a94771a5b1e57f001267dfe8da046 Mon Sep 17 00:00:00 2001
From: Yukihiro Matz Matsumoto <matz@ruby-lang.org>
Date: Fri, 21 Dec 2012 23:52:40 +0900
Subject: should raise error on return in block in top-level; close #664

---
 src/vm.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/vm.c b/src/vm.c
index da6700bdf..bce92c9d8 100644
--- a/src/vm.c
+++ b/src/vm.c
@@ -1199,6 +1199,10 @@ mrb_run(mrb_state *mrb, struct RProc *proc, mrb_value self)
               goto L_RAISE;
             }
             ci = mrb->ci = mrb->cibase + e->cioff;
+	    if (ci == mrb->cibase) {
+              localjump_error(mrb, "return");
+              goto L_RAISE;
+	    }
             break;
           }
         case OP_R_NORMAL:
-- 
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