From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Elias Pipping Newsgroups: gmane.emacs.bugs Subject: bug#6031: gcc 4.5 breaks optimized builds of emacs Date: Mon, 26 Apr 2010 17:40:40 +0200 Message-ID: References: <877hnv8jse.fsf@stupidchicken.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1272299594 5148 80.91.229.12 (26 Apr 2010 16:33:14 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 26 Apr 2010 16:33:14 +0000 (UTC) Cc: 6031@debbugs.gnu.org To: Chong Yidong Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Apr 26 18:33:12 2010 connect(): No such file or directory Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1O6RF9-0005eo-Ub for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 26 Apr 2010 08:40:40 -0700 (PDT) In-Reply-To: <877hnv8jse.fsf@stupidchicken.com> X-Mailman-Approved-At: Mon, 26 Apr 2010 12:14:37 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Mon, 26 Apr 2010 12:15:03 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:36520 Archived-At: On Sun, Apr 25, 2010 at 8:32 PM, Chong Yidong wrote= : > Elias Pipping writes: > >> I'm on the current HEAD of the repo.or.cz mirror of emacs which is >> >> =A0 http://repo.or.cz/w/emacs.git/commit/910daaa95ca0708ad7022667e214bba= 4b8eb3d6b >> >> When I compile a minimal version of emacs like this: >> >> =A0 $ ./configure CFLAGS=3D"-O1 -foptimize-sibling-calls" --without-x >> --without-alsa --without-dbus; [..] >> >> with gcc 4.5 and run it via >> >> =A0 $ ./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/5a98a2a69b1a15173ce4bfa53307608a7150= b407 Kind regards, Elias