--- user.module.5.3.orig	2007-10-18 15:55:18.000000000 -0700
+++ user.module	2007-10-18 16:00:48.000000000 -0700
@@ -349,7 +349,7 @@ function user_password($length = 10) {
  * way, we guarantee consistent behavior, and ensure that the superuser
  * can perform all actions.
  */
-function user_access($string, $account = NULL) {
+function user_access($string, $account = NULL, $reset = FALSE) {
   global $user;
   static $perm = array();
 
@@ -364,7 +364,7 @@ function user_access($string, $account =
 
   // To reduce the number of SQL queries, we cache the user's permissions
   // in a static variable.
-  if (!isset($perm[$account->uid])) {
+  if (!isset($perm[$account->uid]) || $reset) {
     $rids = array_keys($account->roles);
     $placeholders = implode(',', array_fill(0, count($rids), '%d'));
     $result = db_query("SELECT DISTINCT(p.perm) FROM {role} r INNER JOIN {permission} p ON p.rid = r.rid WHERE r.rid IN ($placeholders)", $rids);