From a4eae61521d2abe4bc60b1d02356b95751bf184a Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 6 Sep 2013 01:29:21 +0000
Subject: [PATCH] transcode.c: GC guard

* transcode.c (rb_econv_substr_append): prevent src from GC.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42851 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 transcode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/transcode.c b/transcode.c
index 54fc316e41..f43131d6bc 100644
--- a/transcode.c
+++ b/transcode.c
@@ -1850,6 +1850,7 @@ rb_econv_substr_append(rb_econv_t *ec, VALUE src, long off, long len, VALUE dst,
         rb_econv_check_error(ec);
     }
 
+    RB_GC_GUARD(src);
     return dst;
 }