* re.c (rb_reg_raise): add GC guard to prevent intermediate

variable from GC.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30684 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Fri Jan 28 02:37:18 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* re.c (rb_reg_raise): add GC guard to prevent intermediate
+	  variable from GC.
+
 Fri Jan 28 02:35:41 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* hash.c (rb_hash_fetch_m): add GC guard to prevent intermediate

re.c

@@ -590,7 +590,7 @@ rb_reg_to_s(VALUE re)
 static void
 rb_reg_raise(const char *s, long len, const char *err, VALUE re)
 {
-    VALUE desc = rb_reg_desc(s, len, re);
+    volatile VALUE desc = rb_reg_desc(s, len, re);
 
     rb_raise(rb_eRegexpError, "%s: %s", err, RSTRING_PTR(desc));
 }