From 3ea0a5bd3e572571769bef17b1d64db2ff2f86e4 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 16 Aug 2013 08:04:38 +0000
Subject: [PATCH] vm_eval.c: suppress warning

* vm_eval.c (eval_string_with_cref): move cref inside EXEC_TAG block
  to suppress a warning that 'cref' might be clobbered by 'longjmp',
  on gcc 4.7 or later.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42582 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 vm_eval.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vm_eval.c b/vm_eval.c
index efd22a4371..49b49fe103 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -1176,7 +1176,7 @@ rb_each(VALUE obj)
 }
 
 static VALUE
-eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *cref, volatile VALUE file, volatile int line)
+eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *const cref_arg, volatile VALUE file, volatile int line)
 {
     int state;
     VALUE result = Qundef;
@@ -1198,6 +1198,7 @@ eval_string_with_cref(VALUE self, VALUE src, VALUE scope, NODE *cref, volatile V
     mild_compile_error = th->mild_compile_error;
     TH_PUSH_TAG(th);
     if ((state = TH_EXEC_TAG()) == 0) {
+	NODE *cref = cref_arg;
 	rb_binding_t *bind = 0;
 	rb_iseq_t *iseq;
 	volatile VALUE iseqval;