Index: includes/bootstrap.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/bootstrap.inc,v
retrieving revision 1.206.2.25
diff -u -p -r1.206.2.25 bootstrap.inc
--- includes/bootstrap.inc	30 Jun 2010 09:16:40 -0000	1.206.2.25
+++ includes/bootstrap.inc	5 Jul 2010 19:09:52 -0000
@@ -216,7 +216,7 @@ define('LANGUAGE_RTL', 1);
 
 // Hide E_DEPRECATED messages.
 if (defined('E_DEPRECATED')) {
-  error_reporting(error_reporting() ^ E_DEPRECATED);
+  error_reporting(error_reporting() & ~E_DEPRECATED);
 }
 
 /**