From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#8623: 23.3.50; (woman "git-remote") crashes Date: Fri, 06 May 2011 07:47:12 -0700 Organization: UCLA Computer Science Department Message-ID: <4DC409F0.6010005@cs.ucla.edu> References: <878vukrjsu.fsf@turtle.gmx.de> <83d3jwnai7.fsf@gnu.org> <87zkn0q2bx.fsf@turtle.gmx.de> <8362pom8ww.fsf@gnu.org> <87pqnwhzmr.fsf@turtle.gmx.de> <87hb98huq3.fsf@turtle.gmx.de> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Trace: dough.gmane.org 1304693290 15748 80.91.229.12 (6 May 2011 14:48:10 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Fri, 6 May 2011 14:48:10 +0000 (UTC) Cc: Sven Joachim , 8623@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri May 06 16:48:06 2011 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([140.186.70.17]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1QIMK6-00033R-Bk for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 May 2011 16:48:06 +0200 Original-Received: from localhost ([::1]:55716 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIMK5-0001d0-VZ for geb-bug-gnu-emacs@m.gmane.org; Fri, 06 May 2011 10:48:05 -0400 Original-Received: from eggs.gnu.org ([140.186.70.92]:58754) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIMK3-0001cn-Fk for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 10:48:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QIMK2-0007lX-Fx for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 10:48:03 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:58637) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QIMK2-0007lT-Bl for bug-gnu-emacs@gnu.org; Fri, 06 May 2011 10:48:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1QIMK1-0005ay-O6; Fri, 06 May 2011 10:48:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Paul Eggert Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 06 May 2011 14:48:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 8623 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 8623-submit@debbugs.gnu.org id=B8623.130469324121452 (code B ref 8623); Fri, 06 May 2011 14:48:01 +0000 Original-Received: (at 8623) by debbugs.gnu.org; 6 May 2011 14:47:21 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1QIMJM-0005Zx-Vr for submit@debbugs.gnu.org; Fri, 06 May 2011 10:47:21 -0400 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1QIMJL-0005Zl-If for 8623@debbugs.gnu.org; Fri, 06 May 2011 10:47:20 -0400 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id BEE9339E8113; Fri, 6 May 2011 07:47:13 -0700 (PDT) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id dkok83LR9TaR; Fri, 6 May 2011 07:47:13 -0700 (PDT) Original-Received: from [192.168.1.10] (pool-71-189-109-235.lsanca.fios.verizon.net [71.189.109.235]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 1884539E810D; Fri, 6 May 2011 07:47:13 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.17) Gecko/20110424 Thunderbird/3.1.10 In-Reply-To: X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Fri, 06 May 2011 10:48:01 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-Received-From: 140.186.70.43 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: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:46276 Archived-At: On 05/06/11 07:39, Stefan Monnier wrote: > So it seems clear that the problem is due to gcc 4.6.0's optimization. > Maybe rather than try to port that fix, we could tweak the makefiles so > as to disable that optimization? That might be worth a try. Sven, if you compile with -O2 -fno-strict-aliasing, does that fix things? And if that doesn't work, does -O2 -fno-strict-aliasing -fno-strict-overflow do the trick? If so, we could tweak the Emacs 23 configure.in so that the default optimization flag is -O2 -fno-strict-aliasing instead of -O2, when the compiler accepts the -fno-strict-aliasing flag. That might be easier than backporting the fix.