Index: logintoboggan.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/logintoboggan/logintoboggan.module,v
retrieving revision 1.133.2.6
diff -u -F^f -r1.133.2.6 logintoboggan.module
--- logintoboggan.module	20 Oct 2008 11:57:57 -0000	1.133.2.6
+++ logintoboggan.module	9 Dec 2008 23:50:40 -0000
@@ -437,6 +437,13 @@ function _logintoboggan_user_roles_alter
   if ($account->uid && $in_pre_auth_role) {
     if ($id != DRUPAL_AUTHENTICATED_RID) {
       unset($account->roles[DRUPAL_AUTHENTICATED_RID]);
+      // Reset the permissions cache.  Since the only
+      // goal here is to reset the cache, create a
+      // temporary account object for uid 1 -- this
+      // results in no hits on the database.
+      $temp_account = new stdClass();
+      $temp_account->uid = 1;
+      user_access('', $temp_account, TRUE);
     }
   }
 }