From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Emacs port to gcc -fcheck-pointer-bounds Date: Fri, 8 Dec 2017 14:09:16 -0800 Organization: UCLA Computer Science Department Message-ID: <570649de-b6ae-adc3-7a19-89151baad3a2@cs.ucla.edu> References: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1512770971 1357 195.159.176.226 (8 Dec 2017 22:09:31 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 8 Dec 2017 22:09:31 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 Cc: Emacs Development To: Pip Cet Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Dec 08 23:09:25 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eNQpg-00004q-OT for ged-emacs-devel@m.gmane.org; Fri, 08 Dec 2017 23:09:24 +0100 Original-Received: from localhost ([::1]:39232 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eNQpk-0001p9-V1 for ged-emacs-devel@m.gmane.org; Fri, 08 Dec 2017 17:09:28 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:52797) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eNQpe-0001or-ON for Emacs-devel@gnu.org; Fri, 08 Dec 2017 17:09:23 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eNQpa-0002cR-QG for Emacs-devel@gnu.org; Fri, 08 Dec 2017 17:09:22 -0500 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:47692) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eNQpa-0002c9-Jp for Emacs-devel@gnu.org; Fri, 08 Dec 2017 17:09:18 -0500 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id D64981610DD; Fri, 8 Dec 2017 14:09:17 -0800 (PST) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id woJk1L0MTjuT; Fri, 8 Dec 2017 14:09:17 -0800 (PST) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 2C6EE16132F; Fri, 8 Dec 2017 14:09:17 -0800 (PST) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 46djRog839Rz; Fri, 8 Dec 2017 14:09:17 -0800 (PST) Original-Received: from Penguin.CS.UCLA.EDU (Penguin.CS.UCLA.EDU [131.179.64.200]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 149EF160F8E; Fri, 8 Dec 2017 14:09:17 -0800 (PST) In-Reply-To: Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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" Xref: news.gmane.org gmane.emacs.devel:220804 Archived-At: On 12/08/2017 08:13 AM, Pip Cet wrote: > I would suggest an explicit __bnd_check_pointer_bounds in > make_lisp_symbol until the GCC issue is fixed, as an out-of-bounds > symbol index seems a very real possibility for a bug. Thanks, that's a good suggestion, and I'll give it a whirl. I did try it on an earlier iteration and don't recall why I yanked it.