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: C-g crash in C-x C-f (OSX Lion) Date: Mon, 19 Dec 2011 13:31:53 -0800 Organization: UCLA Computer Science Department Message-ID: <4EEFAD49.5000600@cs.ucla.edu> References: <4EEB48B2.9090602@swipnet.se> <83liqc1tac.fsf@gnu.org> <83fwgk1atk.fsf@gnu.org> <4EEBE0DC.1050803@cs.ucla.edu> <5CAFED3B-F63C-404F-ABD2-A9C3653D8F8E@swipnet.se> <4EECDD4A.3030902@cs.ucla.edu> 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 1324330331 13341 80.91.229.12 (19 Dec 2011 21:32:11 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Mon, 19 Dec 2011 21:32:11 +0000 (UTC) Cc: Eli Zaretskii , Carsten Mattner , emacs-devel@gnu.org To: =?ISO-8859-1?Q?Jan_Dj=E4rv?= Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Dec 19 22:32:07 2011 Return-path: Envelope-to: ged-emacs-devel@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 1RckoY-0000zj-RL for ged-emacs-devel@m.gmane.org; Mon, 19 Dec 2011 22:32:07 +0100 Original-Received: from localhost ([::1]:47624 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RckoY-0000E5-78 for ged-emacs-devel@m.gmane.org; Mon, 19 Dec 2011 16:32:06 -0500 Original-Received: from eggs.gnu.org ([140.186.70.92]:52648) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RckoV-0000Dq-Id for emacs-devel@gnu.org; Mon, 19 Dec 2011 16:32:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RckoU-0005kO-Kv for emacs-devel@gnu.org; Mon, 19 Dec 2011 16:32:03 -0500 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:51004) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RckoR-0005k5-U3; Mon, 19 Dec 2011 16:32:00 -0500 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 93F3A39E8013; Mon, 19 Dec 2011 13:31:58 -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 KOSbuavn+bBi; Mon, 19 Dec 2011 13:31:58 -0800 (PST) Original-Received: from penguin.cs.ucla.edu (Penguin.CS.UCLA.EDU [131.179.64.200]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 63F6A39E8008; Mon, 19 Dec 2011 13:31:58 -0800 (PST) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0 In-Reply-To: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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:146851 Archived-At: On 12/19/11 10:18, Jan Dj=E4rv wrote: > I get a lot of "will never be executed" for the macro SELECTED_FRAME: I don't observe this problem on Fedora 15 with GCC 4.6.2, when Emacs (trunk bzr 106703) is configured with "configure --with-ns". It could be Fedora, but possibly it's because you're using an older version of GCC. The flags I gave you are for GCC 4.6.2 or later; older GCCs will sometimes screw up and issue bogus warnings. I suggest trying again with GCC 4.6.2 (or even GCC 4.7) if you aren't already doing that. Another possibility is to tune the flags for an older GCC, but typically older GCCs don't do as good a job of static checking even when the compiler flags are tuned for them.