From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Gemini Lasswell Newsgroups: gmane.emacs.bugs Subject: bug#33014: 26.1.50; 27.0.50; Fatal error after re-evaluating a thread's function Date: Mon, 29 Oct 2018 11:24:10 -0700 Message-ID: <87h8h4k3w5.fsf@runbox.com> References: <87d0sh9hje.fsf@runbox.com> <83murjwplq.fsf@gnu.org> <87zhvjc4r3.fsf@runbox.com> <83y3b2uzyt.fsf@gnu.org> <87va65daw9.fsf@runbox.com> <8336t9vi3h.fsf@gnu.org> <87ftx89uqs.fsf@igel.home> <837eijtfw1.fsf@gnu.org> <878t2xd90z.fsf@runbox.com> <83in21snha.fsf@gnu.org> <87woqebx9v.fsf@runbox.com> <83va5ypbpo.fsf@gnu.org> <878t2tbt34.fsf@runbox.com> <83lg6tunlo.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1540837429 10291 195.159.176.226 (29 Oct 2018 18:23:49 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 29 Oct 2018 18:23:49 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.50 (gnu/linux) Cc: 33014@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon Oct 29 19:23:45 2018 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 1gHCCX-0002Zt-Dp for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 29 Oct 2018 14:25:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Gemini Lasswell Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 29 Oct 2018 18:25:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 33014 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 33014-submit@debbugs.gnu.org id=B33014.154083747318678 (code B ref 33014); Mon, 29 Oct 2018 18:25:02 +0000 Original-Received: (at 33014) by debbugs.gnu.org; 29 Oct 2018 18:24:33 +0000 Original-Received: from localhost ([127.0.0.1]:52191 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gHCDI-0004rC-N2 for submit@debbugs.gnu.org; Mon, 29 Oct 2018 14:24:32 -0400 Original-Received: from aibo.runbox.com ([91.220.196.211]:33512) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gHCDG-0004r3-C4 for 33014@debbugs.gnu.org; Mon, 29 Oct 2018 14:24:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=runbox.com; s=rbselector1; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date: References:Subject:Cc:To:From; bh=Haz1Bljs+5rApejpTHyq8JorvtfvNhBwghORFSsHxU4=; b=LakqQWRbTn8rlxzV4Y8S3V+LX2 ddsb5rGgKe2OI3cBdGJHEmyvKPc8GvHBM1WKEbOh+iwmqFj7iWnsVNdta/M+vkaRwsw+fiX/A9rI/ zW6hf4inF+xJmF/pIx7C05Xsx7DEY/74I5ERtJarAbTlta3ipNH6mSNzeGhu1fW7L3cK4l1P347zJ DPG4xx3a+7DtXXynZg7H0pc3fGs4GeOII6nt/L9IWfbozzSKbLKz7q/Gyr1wG3ADEhkTDliWA3Dr3 oQGrMvurPe1Bhs9JVxQovFfaEFlntsxtLgNEDEq9M4dYr7g4jUIOXQwmCOMgx4ZplklgN867sMhtL FCoHXPwQ==; Original-Received: from [10.9.9.212] (helo=mailfront12.runbox.com) by mailtransmit02.runbox with esmtp (Exim 4.86_2) (envelope-from ) id 1gHCDE-0006qm-Ru; Mon, 29 Oct 2018 19:24:28 +0100 Original-Received: by mailfront12.runbox.com with esmtpsa (uid:179284 ) (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) id 1gHCD6-0004Ya-Dk; Mon, 29 Oct 2018 19:24:20 +0100 In-Reply-To: <83lg6tunlo.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 20 Oct 2018 09:41:07 +0300") 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:151781 Archived-At: Eli Zaretskii writes: >> I have patched Emacs with a 'volatile' on the definition of 'fun' in >> Ffuncall, and so far haven't managed to reproduce the bug with it: > > Thanks. This needs a comment for why we do something strange like > that, but otherwise, if no one has better ideas in a week's time, > let's install this. Pushed to master, along with a new test which should fail if some future optimizing compiler removes the reference from the stack in spite of the 'volatile'.