From de85bb0efe9d226374fe2941b0bbbefb81b75d40 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 16 Dec 2005 18:59:31 +0000
Subject: [PATCH] * bignum.c (rb_big_rshift): fix a GC problem on   IA64 with
 gcc 4.0.3 20051216 (prerelease).

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9705 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog | 5 +++++
 bignum.c  | 3 ++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 7c0c00d3bd..a9a9dc49cd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Dec 17 03:57:01 2005  Tanaka Akira  <akr@m17n.org>
+
+	* bignum.c (rb_big_rshift): fix a GC problem on
+	  IA64 with gcc 4.0.3 20051216 (prerelease).
+
 Sat Dec 17 03:30:23 2005  Tanaka Akira  <akr@m17n.org>
 
 	* eval.c (bmcall): fix a GC problem by tail call on
diff --git a/bignum.c b/bignum.c
index 655e22f94e..587564929b 100644
--- a/bignum.c
+++ b/bignum.c
@@ -1793,6 +1793,7 @@ rb_big_rshift(VALUE x, VALUE y)
     VALUE z;
     BDIGIT_DBL num = 0;
     long i, j;
+    volatile VALUE save_x;
 
     if (shift < 0) return rb_big_lshift(x, INT2FIX(-shift));
 
@@ -1803,7 +1804,7 @@ rb_big_rshift(VALUE x, VALUE y)
 	    return INT2FIX(-1);
     }
     if (!RBIGNUM(x)->sign) {
-	x = rb_big_clone(x);
+	save_x = x = rb_big_clone(x);
 	get2comp(x);
     }
     xds = BDIGITS(x);