On Sat, May 26 2012, Stefan Monnier wrote:

> There are 2 bugs here:
> - a packaging bug: the file should not be missing.
> - a robustness bug: defadvice should fail gracefully in this case, since
>   it does not really need to docstring to do its job.
> I think the first is on Ubuntu's side, but please file a proper bug
> report with M-x report-emacs-bug for the second.

Full disclosure: I'm trying to track this packaging bug down this is why
I asked that question. :)

-- 
           Julien