Subject: M-x compile no longer completes filenames

From: [email-masked]
Date: Wed, 23 Nov 2011 10:08:09 +0800

As of emacs-snapshot:
  Installed: 1:20111121-1
M-x compile
make -k <TAB>
no longer completes filenames.
Furthermore, more TABs will get you
Error in post-command-hook (completion-in-region--postch): (error IO error reading /var/tmp: Is a directory)
insert-file-contents-literally: IO error reading /var/tmp: Is a directory