diff -r 4e27b06a0fd9 -r cfeab932cff7 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Sat Jan 12 16:04:29 2013 +0100
+++ b/mercurial/localrepo.py	Sun Dec 16 23:13:02 2012 +0200
@@ -1015,7 +1015,7 @@
             if hasunfilteredcache(self, '_phasecache'):
                 self._phasecache.write()
             for k, ce in self._filecache.items():
-                if k == 'dirstate':
+                if k == 'dirstate' or k not in self.__dict__:
                     continue
                 ce.refresh()