--- a/tests/test-diff-upgrade.t	Thu Sep 16 16:12:26 2010 -0500
+++ b/tests/test-diff-upgrade.t	Thu Sep 16 17:51:32 2010 -0500
@@ -244,6 +244,7 @@
 
   $ hg autodiff --git=abort regular setexec
   abort: losing data for setexec
+  [255]
 
 git=abort: succeed on regular file