Index: includes/registry.inc
===================================================================
RCS file: /cvs/drupal/drupal/includes/registry.inc,v
retrieving revision 1.25
diff -u -p -r1.25 registry.inc
--- includes/registry.inc	13 Oct 2009 05:26:57 -0000	1.25
+++ includes/registry.inc	26 Oct 2009 15:55:02 -0000
@@ -126,6 +126,9 @@ function _registry_parse_files($files) {
   foreach ($files as $filename => $file) {
     $filectime = filectime($filename);
     $filemtime = filemtime($filename);
+    $filectime = $filectime ? $filectime : 0;
+    $filemtime = $filemtime ? $filemtime: 0;
+
     $modified_file = !isset($file['filectime']) || !isset($file['filemtime'])
                 || $filectime != $file['filectime'] || $filemtime != $file['filemtime'];
     if ($modified_file) {