From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Warnings/errors related to possibly clobbered variables Date: Tue, 13 Jan 2015 09:07:21 -0800 Organization: UCLA Computer Science Department Message-ID: <54B550C9.9000807@cs.ucla.edu> References: <54B50246.2070507@yandex.ru> <54B50BC4.3060302@yandex.ru> <83k30q4pnn.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1421168914 18256 80.91.229.3 (13 Jan 2015 17:08:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 13 Jan 2015 17:08:34 +0000 (UTC) Cc: emacs-devel@gnu.org To: Eli Zaretskii , Dmitry Antipov Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jan 13 18:08:29 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1YB4x8-00044F-Hw for ged-emacs-devel@m.gmane.org; Tue, 13 Jan 2015 18:08:26 +0100 Original-Received: from localhost ([::1]:40409 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YB4x7-0007mH-HV for ged-emacs-devel@m.gmane.org; Tue, 13 Jan 2015 12:08:25 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:44726) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YB4wD-0006yB-Jw for emacs-devel@gnu.org; Tue, 13 Jan 2015 12:07:33 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YB4wC-0006r7-HP for emacs-devel@gnu.org; Tue, 13 Jan 2015 12:07:29 -0500 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:34534) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YB4w7-0006q5-VQ; Tue, 13 Jan 2015 12:07:24 -0500 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id B5A6639E80BC; Tue, 13 Jan 2015 09:07:22 -0800 (PST) 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 R9aKNt9ksa5S; Tue, 13 Jan 2015 09:07:21 -0800 (PST) Original-Received: from [192.168.1.9] (pool-173-55-11-52.lsanca.fios.verizon.net [173.55.11.52]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id BB0B8A6000D; Tue, 13 Jan 2015 09:07:21 -0800 (PST) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.3.0 In-Reply-To: <83k30q4pnn.fsf@gnu.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 131.179.128.62 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:181225 Archived-At: Eli Zaretskii wrote: > Why not declare the offending variables 'volatile' and forget about > all this stuff? When this topic last came up, I vaguely recall Stefan saying that we shouldn't declare local variables 'volatile' merely to work around GCC bugs, and that we should get GCC fixed instead. I filed a bug report, but the bug has not been fixed yet; see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48968