From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.bugs Subject: bug#27585: Fwd: Re: bug#27585: segfault when evaluating a file containing only backticks Date: Sun, 24 Sep 2017 15:47:32 -0700 Organization: UCLA Computer Science Department Message-ID: <9488bb21-17eb-e13b-fbb0-77089e1d682e@cs.ucla.edu> References: <58232171-11ff-4d19-5107-0e705606d0e8@cs.ucla.edu> 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 1506293301 22079 195.159.176.226 (24 Sep 2017 22:48:21 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 24 Sep 2017 22:48:21 +0000 (UTC) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 To: 27585@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Sep 25 00:48:15 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1dwFh8-0004ti-5P for geb-bug-gnu-emacs@m.gmane.org; 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Sun, 24 Sep 2017 15:47:33 -0700 (PDT) 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 XvfI-ezjb9od for <27585@debbugs.gnu.org>; Sun, 24 Sep 2017 15:47:32 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id D9654160E10 for <27585@debbugs.gnu.org>; Sun, 24 Sep 2017 15:47:32 -0700 (PDT) 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 GrtukVdh_XcA for <27585@debbugs.gnu.org>; Sun, 24 Sep 2017 15:47:32 -0700 (PDT) Original-Received: from [192.168.1.9] (unknown [47.154.18.85]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id C0216160E0D for <27585@debbugs.gnu.org>; Sun, 24 Sep 2017 15:47:32 -0700 (PDT) X-Forwarded-Message-Id: <58232171-11ff-4d19-5107-0e705606d0e8@cs.ucla.edu> In-Reply-To: <58232171-11ff-4d19-5107-0e705606d0e8@cs.ucla.edu> Content-Language: en-US X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:137374 Archived-At: [Sending this again since the bug was archived and read-only earlier today.] -------- Forwarded Message -------- Subject: Re: bug#27585: segfault when evaluating a file containing only backticks Date: Sun, 24 Sep 2017 11:32:44 -0700 From: Paul Eggert Philipp Stephani wrote: > Paul Eggert schrieb am Fr., 14. Juli 2017 um 14:10 Uhr: > >> As Eli and Daniel mentioned, this area of Emacs cannot be 100% reliable >> > > Why? Surely Emacs could switch away from recursion for the reader and the > evaluator to an explicitly-managed stack. That would be a bit of work, but > certainly not impossible. You are right, on both points. By "this area of Emacs" I was assuming the current recursive implementation. It's not the only place Emacs recurses, though.