Index: theme.inc
===================================================================
--- theme.inc	(revision 175)
+++ theme.inc	(working copy)
@@ -35,6 +35,13 @@
     return;
   }
 
+  if (1 == $user->uid) {
+    ob_start();
+    debug_print_backtrace();
+    drupal_set_message(nl2br(ob_get_contents()));
+    ob_end_clean();
+  }
+
   drupal_bootstrap(DRUPAL_BOOTSTRAP_DATABASE);
   $themes = list_themes();