GNU bug report logs - #7722
24.0.50; Finding this C++ header file drops emacs into a infinite loop

Previous Next

Full log

View this message in rfc822 format

From: Daniel Colascione <dan.colascione <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Cc: 7722 <at> debbugs.gnu.org, Alan Mackenzie <acm <at> muc.de>, Tassilo Horn <tassilo <at> member.fsf.org>
Subject: bug#7722: 24.0.50; Finding this C++ header file drops emacs into a infinite loop
Date: Sun, 30 Jan 2011 13:23:35 -0800

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 1/26/11 4:55 PM, Chong Yidong wrote:
> Chong Yidong <cyd <at> stupidchicken.com> writes:
> 
>>> 1. emacs -Q bug.hpp
>>> 2. emacs loops infinitely using 100% CPU resources
>>>
>>> The offending file is that (according to the original reporter, the
>>> spaces and empty lines are needed):
>>
>> I can reproduce this (file attached for convenience).  Alan, could you
>> take a look?  Looks like a loop in c-forward-<>-arglist-recur:
> 
> In the meantime, I have added the following hack/workaround to the
> emacs-23 branch, which seems to break the loop.  Let me know if you find
> a fix that's safer (since we are well into the 23.3 pretest).

Incidentally, I can't reproduce the problem with the trunk cc-mode.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (Darwin)

iEYEARECAAYFAk1F1soACgkQ17c2LVA10VvtFACgi2KuRCq9m15aDx44xGtVTYGB
Z3AAnjuVGnWv1P6gz4vItI5HOoSiVcMw
=Emh5
-----END PGP SIGNATURE-----

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.