GNU bug report logs - #9983
valgrind warning in draw_glyphs

Previous Next

Package: emacs;

Reported by: Dan Nicolaescu <dann <at> gnu.org>

Date: Mon, 7 Nov 2011 04:40:01 UTC

Severity: normal

Done: Dan Nicolaescu <dann <at> gnu.org>

Bug is archived. No further changes may be made.

Full log

Message #34 received at 9983 <at> debbugs.gnu.org (full text, mbox):

From: Dan Nicolaescu <dann <at> gnu.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Andreas Schwab <schwab <at> linux-m68k.org>, 9983 <at> debbugs.gnu.org
Subject: Re: bug#9983: valgrind warning in draw_glyphs
Date: Tue, 08 Nov 2011 09:17:08 -0500

Eli Zaretskii <eliz <at> gnu.org> writes:

>> From: Andreas Schwab <schwab <at> linux-m68k.org>
>> Cc: Dan Nicolaescu <dann <at> gnu.org>,  9983 <at> debbugs.gnu.org
>> Date: Mon, 07 Nov 2011 13:21:38 +0100
>> 
>> Eli Zaretskii <eliz <at> gnu.org> writes:
>> 
>> > The other variables in the line being flagged, `start' and `i', are
>> > also okay: `start' is one of the call arguments
>> 
>> Just being an argument does not necessarily make it ok.
>
> Indeed.  I also thought about that, so I checked the callers two
> levels up, and came up empty-handed.
>
> I guess the optimization done by GCC 4.6 fooled valgrind as well.

Not trying to split hairs, but valgrind wasn't fooled, it did the right
thing at the level that valgrind is working at...
This bug report was last modified 13 years and 198 days ago.

Previous Next

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