Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.255.2.13
diff -u -p -r1.255.2.13 menu.inc
--- includes/menu.inc	19 May 2008 07:39:19 -0000	1.255.2.13
+++ includes/menu.inc	4 Jun 2008 13:09:02 -0000
@@ -570,8 +570,11 @@ function _menu_translate(&$router_item, 
   $router_item['href'] = implode('/', $link_map);
   $router_item['options'] = array();
   _menu_check_access($router_item, $map);
-
-  _menu_item_localize($router_item, $map);
+  
+  // For performance, don't localize an item the user can't access.
+  if ($router_item['access']) {
+    _menu_item_localize($router_item, $map);
+  }
 
   return $map;
 }
@@ -649,8 +652,10 @@ function _menu_link_translate(&$item) {
       }
       _menu_check_access($item, $map);
     }
-
-    _menu_item_localize($item, $map, TRUE);
+    // For performance, don't localize a link the user can't access.
+    if ($item['access']) {
+      _menu_item_localize($item, $map, TRUE);
+    }
   }
   
   // Allow other customizations - e.g. adding a page-specific query string to the