From 2da40f048ede054fec9f172464effdd8eb3f0d91 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 12 Dec 2005 15:09:50 +0000
Subject: [PATCH] * sprintf.c (rb_str_format): fix a GC problem.  
 [ruby-dev:28001]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9681 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 5 +++++
 sprintf.c | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 38af7da9f4..2e3992d7f2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Dec 13 00:08:09 2005  Tanaka Akira  <akr@m17n.org>
+
+	* sprintf.c (rb_str_format): fix a GC problem.
+	  [ruby-dev:28001]
+
 Mon Dec 12 15:51:22 2005  GOTOU Yuuzou  <gotoyuzo@notwork.org>
 
 	* test/openssl/test_ssl.rb (test_parallel): call GC.start to close
diff --git a/sprintf.c b/sprintf.c
index e8c0d36164..580a54ae8f 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -604,11 +604,12 @@ rb_str_format(int argc, const VALUE *argv, VALUE fmt)
 			}
 		    }
 		    else {
+                        volatile VALUE tmp1;
 			if (!RBIGNUM(val)->sign) {
 			    val = rb_big_clone(val);
 			    rb_big_2comp(val);
 			}
-			tmp = rb_big2str(val, base);
+			tmp1 = tmp = rb_big2str(val, base);
 			s = RSTRING(tmp)->ptr;
 			if (*s == '-') {
 			    if (base == 10) {