mercurial/localrepo.py

--- a/mercurial/localrepo.py	Tue Jan 24 19:49:30 2012 +0100
+++ b/mercurial/localrepo.py	Thu Jan 26 00:21:53 2012 +0200
@@ -176,7 +176,7 @@
     def _writebookmarks(self, marks):
       bookmarks.write(self)
 
-    @filecache('phaseroots')
+    @filecache('phaseroots', True)
     def _phaseroots(self):
         self._dirtyphases = False
         phaseroots = phases.readroots(self)