- Patch #791168 by Berdir: does form_state() cache never get cleaned?

includes/form.inc

@@ -747,7 +747,7 @@ function drupal_process_form($form_id, &$form, &$form_state) {
       // here, though.
       if (!variable_get('cache', 0) && !empty($form_state['values']['form_build_id'])) {
         cache_clear_all('form_' . $form_state['values']['form_build_id'], 'cache_form');
-        cache_clear_all('storage_' . $form_state['values']['form_build_id'], 'cache_form');
+        cache_clear_all('form_state_' . $form_state['values']['form_build_id'], 'cache_form');
       }
 
       // If batches were set in the submit handlers, we process them now,