From: Elias Pipping <pipping.elias@googlemail.com>
To: Chong Yidong <cyd@stupidchicken.com>
Cc: 6031@debbugs.gnu.org
Subject: bug#6031: gcc 4.5 breaks optimized builds of emacs
Date: Mon, 26 Apr 2010 17:40:40 +0200 [thread overview]
Message-ID: <w2o5bd988b41004260840t6263cb7dm9350937a787b1154@mail.gmail.com> (raw)
In-Reply-To: <877hnv8jse.fsf@stupidchicken.com>
On Sun, Apr 25, 2010 at 8:32 PM, Chong Yidong <cyd@stupidchicken.com> wrote:
> Elias Pipping <pipping.elias@googlemail.com> writes:
>
>> I'm on the current HEAD of the repo.or.cz mirror of emacs which is
>>
>> http://repo.or.cz/w/emacs.git/commit/910daaa95ca0708ad7022667e214bba4b8eb3d6b
>>
>> When I compile a minimal version of emacs like this:
>>
>> $ ./configure CFLAGS="-O1 -foptimize-sibling-calls" --without-x
>> --without-alsa --without-dbus; [..]
>>
>> with gcc 4.5 and run it via
>>
>> $ ./src/emacs -Q -nw
>>
>> I get a segfault. Dropping the -foptimize-sibling-calls (which is
>> implied by -O2) makes it work again. So does using an older version of
>> gcc (e.g. 4.4.3) or running emacs outside a terminal.
>
> Could you do me a favor, and check whether the problem also exists for
> the latest emacs-23 pretest at ftp://alpha.gnu.org/gnu/emacs/pretest/ ?
It does not. Judging by the bisecting I did, the problem was introduced in
http://repo.or.cz/w/emacs.git/commit/5a98a2a69b1a15173ce4bfa53307608a7150b407
Kind regards,
Elias
next prev parent reply other threads:[~2010-04-26 15:40 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-24 23:44 bug#6031: gcc 4.5 breaks optimized builds of emacs Elias Pipping
2010-04-25 3:07 ` Dan Nicolaescu
2010-04-25 11:12 ` Elias Pipping
2010-04-25 13:33 ` Eli Zaretskii
2010-04-25 14:56 ` Elias Pipping
2010-04-25 16:15 ` Eli Zaretskii
2010-04-26 22:41 ` Elias Pipping
2010-04-25 18:32 ` Chong Yidong
2010-04-26 15:40 ` Elias Pipping [this message]
2010-04-26 17:40 ` Eli Zaretskii
2010-04-26 22:12 ` Elias Pipping
2010-04-26 20:17 ` bug#6031: Emacs 23.1 breaks with gcc 4.5 and -foptimize-sibling-calls Ulrich Mueller
2010-04-26 21:09 ` Dan Nicolaescu
2010-04-27 11:26 ` bug#6031: gcc 4.5 breaks optimized builds of emacs Ulrich Mueller
2010-04-27 15:37 ` Chong Yidong
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