* io.c (rb_f_backquote): fix a GC problem on

  IA64 with gcc 4.0.3 20051216 (prerelease) -O3.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/io.c b/io.c
index be3984e7d7..8e0a4e78f3 100644
--- a/io.c
+++ b/io.c
@@ -4373,7 +4373,8 @@ rb_f_readlines(int argc, VALUE *argv)
 static VALUE
 rb_f_backquote(VALUE obj, VALUE str)
 {
-    VALUE port, result;
+    volatile VALUE port;
+    VALUE result;
     OpenFile *fptr;
 
     SafeStringValue(str);