From c8e5ba0e841e2629d282c5853fc334309f36293f Mon Sep 17 00:00:00 2001
From: nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 26 Jan 2011 13:59:20 +0000
Subject: 	* class.c (clone_method): add GC guard to prevent intermediate
 	  variable from GC. [Bug #4321] [ruby-dev:43107]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30659 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 class.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'class.c')

diff --git a/class.c b/class.c
index 76f4ef8622..0d7623350f 100644
--- a/class.c
+++ b/class.c
@@ -129,11 +129,13 @@ VALUE rb_iseq_clone(VALUE iseqval, VALUE newcbase);
 static int
 clone_method(ID mid, const rb_method_entry_t *me, struct clone_method_data *data)
 {
+    VALUE newiseqval;
     if (me->def && me->def->type == VM_METHOD_TYPE_ISEQ) {
-	VALUE newiseqval = rb_iseq_clone(me->def->body.iseq->self, data->klass);
 	rb_iseq_t *iseq;
+	newiseqval = rb_iseq_clone(me->def->body.iseq->self, data->klass);
 	GetISeqPtr(newiseqval, iseq);
 	rb_add_method(data->klass, mid, VM_METHOD_TYPE_ISEQ, iseq, me->flag);
+	RB_GC_GUARD(newiseqval);
     }
     else {
 	rb_method_entry_set(data->klass, mid, me, me->flag);
-- 
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