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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/46488] [4.5 regression] server/core_filters.c from apache httpd 2.2.17 miscompiled at -O3
Date: Wed, 01 Dec 2010 18:56:00 -0000	[thread overview]
Message-ID: <bug-46488-4-paDLKINBPP@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-46488-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46488

--- Comment #40 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2010-12-01 18:55:28 UTC ---
>   Maybe this should this be considered a problem in the sense that it
> does not warn with -Wstrict-aliasing ? As in this case, httpd source
> was patched to "correct" the warning, but the problem remained.

The level 3 warning isn't guaranteed to catch all the cases, especially when
one explicitly obfuscates the issue. :-)  But, yes, worth taking a look.


  parent reply	other threads:[~2010-12-01 18:56 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-15 18:55 [Bug c/46488] New: server/core_filters.c from apache httpd 2.2.17 does not produce good code with optimizations (-O) used on Solaris Sparc 64-bit lk0946 at att dot com
2010-11-16  8:37 ` [Bug middle-end/46488] [4.5 regression] server/core_filters.c from apache httpd 2.2.17 miscompiled with optimization ebotcazou at gcc dot gnu.org
2010-11-16 16:48 ` lk0946 at att dot com
2010-11-16 16:55 ` lk0946 at att dot com
2010-11-16 17:16 ` ebotcazou at gcc dot gnu.org
2010-11-17  0:10 ` lk0946 at att dot com
2010-11-17  0:31 ` ebotcazou at gcc dot gnu.org
2010-11-17  6:43 ` lk0946 at att dot com
2010-11-17  7:44 ` ebotcazou at gcc dot gnu.org
2010-11-25 16:06 ` rguenth at gcc dot gnu.org
2010-11-25 16:58 ` ebotcazou at gcc dot gnu.org
2010-11-26 22:34 ` lk0946 at att dot com
2010-11-26 23:09 ` [Bug middle-end/46488] server/core_filters.c from apache httpd 2.2.17 miscompiled with optimization -O3 rguenth at gcc dot gnu.org
2010-11-27  0:12 ` lk0946 at att dot com
2010-11-27 14:11 ` ebotcazou at gcc dot gnu.org
2010-11-27 23:59 ` LpSolit at netscape dot net
2010-11-28  9:49 ` [Bug middle-end/46488] [4.5 regression] server/core_filters.c from apache httpd 2.2.17 miscompiled at -O3 ebotcazou at gcc dot gnu.org
2010-11-28 13:22 ` ebotcazou at gcc dot gnu.org
2010-11-28 14:33 ` ebotcazou at gcc dot gnu.org
2010-11-29 11:05 ` jorton at redhat dot com
2010-11-29 11:59 ` ebotcazou at gcc dot gnu.org
2010-11-29 12:10 ` jorton at redhat dot com
2010-11-29 13:34 ` ebotcazou at gcc dot gnu.org
2010-11-29 14:03 ` rguenth at gcc dot gnu.org
2010-11-29 14:07 ` rguenth at gcc dot gnu.org
2010-11-29 14:31 ` jorton at redhat dot com
2010-11-29 14:41 ` rguenther at suse dot de
2010-11-29 21:39 ` pcpa at mandriva dot com.br
2010-11-30  7:47 ` ebotcazou at gcc dot gnu.org
2010-11-30 10:00 ` ebotcazou at gcc dot gnu.org
2010-11-30 10:57 ` rguenth at gcc dot gnu.org
2010-11-30 13:14 ` ebotcazou at gcc dot gnu.org
2010-11-30 15:18 ` ebotcazou at gcc dot gnu.org
2010-11-30 15:47 ` rguenther at suse dot de
2010-11-30 23:43 ` pcpa at mandriva dot com.br
2010-11-30 23:52 ` ebotcazou at gcc dot gnu.org
2010-12-01 10:13 ` rguenther at suse dot de
2010-12-01 12:15 ` ebotcazou at gcc dot gnu.org
2010-12-01 18:23 ` pcpa at mandriva dot com.br
2010-12-01 18:26 ` pcpa at mandriva dot com.br
2010-12-01 18:56 ` ebotcazou at gcc dot gnu.org [this message]
2010-12-01 21:54 ` ebotcazou at gcc dot gnu.org
2010-12-01 22:15 ` rguenth at gcc dot gnu.org

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