Index: includes/menu.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/menu.inc,v
retrieving revision 1.139
diff -u -r1.139 menu.inc
--- includes/menu.inc	23 Oct 2006 17:57:31 -0000	1.139
+++ includes/menu.inc	14 Nov 2006 13:38:42 -0000
@@ -1135,6 +1135,10 @@
         $_menu['items'][$item->mid]['type'] = $item->type;
       }
     }
+
+    // Delete the alias cache, since calling drupal_get_normal_path() with
+    // paths that aren't aliases may have corrupted it.
+    drupal_lookup_path('wipe');
   }
 
   // Associate parent and child menu items.