GNU bug report logs - #10652
24.0.93; font-lock very slow for C++

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Message #22 received at 10652 <at> debbugs.gnu.org (full text, mbox):

From: Alan Mackenzie <acm <at> muc.de>
To: Toon Claes <toon <at> tonotdo.com>
Cc: 10652 <at> debbugs.gnu.org
Subject: Re: bug#10652: Recursive loop in alloc.c [ Was: font-lock very slow
	for C++ ]
Date: Fri, 16 Mar 2012 10:18:38 +0000

Hello, Emacs and Toon.

I've retitled this bug to clarify what it's about.

-- 
Alan Mackenzie (Nuremberg, Germany).



On Wed, Mar 14, 2012 at 11:45:14AM +0200, Toon Claes wrote:


> I'm also having trouble with some cpp files. 

> I've got one file
> (572 lines, 18560 bytes), that always causes emacs 24 to hang. Emacs
> 23.3.1 handles this file just fine. 

> I am using emacs from git:


> commit 6ba3ea4d2625fac8b5fb839f11eeb074d699687e
> Author: Christopher
> Schmidt <christopher <at> ch.ristopher.com>
> Date: Mon Mar 12 01:31:44 2012
> +0800

>  * ibuffer.el (ibuffer-redisplay): Remove gratuitous error.


> When GDB was hanging I stopped the process with GDB, with this
> backtrace: 

> http://pastebin.com/ssB96ue4 

> I'm not familiar with the
> emacs source code, but I do not know this is normal. 

> If I can help
> investigation the problem more in detail, let me know. 

> Unfortunately I
> am not allowed to share the source file with you. 

> Also I've tried to
> decrease font-lock-maximum-decoration to 1, but this didn't have effect.




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