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From: Eli Zaretskii <eliz@gnu.org>
To: Alan Mackenzie <acm@muc.de>
Cc: 23476@debbugs.gnu.org
Subject: bug#23476: Slowdown in C Mode fontification [Was: bug#23476: 25.0.93; Visiting C files on master signals an error]
Date: Tue, 10 May 2016 19:04:28 +0300	[thread overview]
Message-ID: <8337ppdhmb.fsf@gnu.org> (raw)
In-Reply-To: <20160510075132.GA1923@acm.fritz.box> (message from Alan Mackenzie on Tue, 10 May 2016 07:51:32 +0000)

> Date: Tue, 10 May 2016 07:51:32 +0000
> Cc: 23476@debbugs.gnu.org, Glenn Morris <rgm@gnu.org>
> From: Alan Mackenzie <acm@muc.de>
> 
> > Btw, I noticed that CC Mode is quite a bit slower on master than it is
> > on emacs-25 (try searching for "IF_LINT" in xdisp.c), is that related
> > to these changes in any way?
> 
> Whoops!  No, this slowdown is caused by commit
> 89d1776b81ab552192ee41f13ce84ff86bda4556 on 2016-04-25, a fix for bug
> #7918.  The bug was the spurious fontification of something like "for (;
> a * b;)".
> 
> I'll see if I can find a better fix; if not, it would probably be best to
> remove the commit and leave the bug unfixed.

Since this is only on master (right?), there's no rush to revert the
commit, perhaps you or someone else will come up with a solution that
doesn't bring back bug #7918.

Thanks.





  parent reply	other threads:[~2016-05-10 16:04 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-05-07  7:27 bug#23476: 25.0.93; Visiting C files on master signals an error Eli Zaretskii
2016-05-07 16:43 ` Andy Moreton
2016-05-07 17:32   ` Eli Zaretskii
2016-05-07 17:50     ` Alan Mackenzie
2016-05-07 18:19       ` Eli Zaretskii
2016-05-07 18:52         ` Alan Mackenzie
2016-05-07 18:57           ` Eli Zaretskii
2016-05-07 19:30             ` Eli Zaretskii
2016-05-07 20:40               ` Alan Mackenzie
2016-05-08 15:48                 ` Eli Zaretskii
2016-05-09 11:07                   ` Alan Mackenzie
2016-05-09 16:52                     ` Eli Zaretskii
2016-05-09 18:22                       ` Alan Mackenzie
2016-05-09 19:11                         ` Eli Zaretskii
2016-05-10  3:58                           ` Glenn Morris
2016-05-10  7:51                           ` bug#23476: Slowdown in C Mode fontification [Was: bug#23476: 25.0.93; Visiting C files on master signals an error] Alan Mackenzie
2016-05-10 15:04                             ` Alan Mackenzie
2016-05-10 16:04                             ` Eli Zaretskii [this message]
2016-05-10 19:00                               ` bug#23476: Slowdown in C Mode fontification Alan Mackenzie
2016-05-09 12:01                 ` bug#23476: 25.0.93; Visiting C files on master signals an error Stefan Monnier
2016-05-07 20:10             ` Alan Mackenzie
     [not found] ` <mailman.2399.1462642391.7477.bug-gnu-emacs@gnu.org>
2016-05-09 18:34   ` Alan Mackenzie
2016-05-09 20:46 ` Óscar Fuentes
2016-05-10  2:34   ` Eli Zaretskii
2016-05-10 17:32 ` Óscar Fuentes

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