From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#40088: 27.0.90; =?UTF-8?Q?Symbol=E2=80=99s?= value as variable is void: debugger-outer-match-data Date: Mon, 23 Mar 2020 16:16:21 +0200 Message-ID: <83tv2fb1hm.fsf@gnu.org> References: <87lfo0eddw.fsf@fastmail.fm> <87y2rz94m5.fsf@web.de> <874kun6wam.fsf@gmail.com> <87sgi55hw7.fsf@gmail.com> <87d097l8v6.fsf@gmail.com> <83r1xne753.fsf@gnu.org> <874kuhl18k.fsf@gmail.com> <83mu88cvqq.fsf@gnu.org> <87imivkbf1.fsf@gmail.com> <83v9mvbvda.fsf@gnu.org> <87d093kabi.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="14927"; mail-complaints-to="usenet@ciao.gmane.io" Cc: michael_heerdegen@web.de, joostkremers@fastmail.fm, 40088@debbugs.gnu.org, monnier@iro.umontreal.ca To: Noam Postavsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Mar 23 15:17:19 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jGNtH-0003mB-O4 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 23 Mar 2020 15:17:19 +0100 Original-Received: from localhost ([::1]:34388 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jGNtG-0003qI-9d for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 23 Mar 2020 10:17:18 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38545) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jGNt2-0003qB-JY for bug-gnu-emacs@gnu.org; Mon, 23 Mar 2020 10:17:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jGNt0-00075x-NY for bug-gnu-emacs@gnu.org; Mon, 23 Mar 2020 10:17:04 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:47387) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jGNt0-00075o-Is for bug-gnu-emacs@gnu.org; Mon, 23 Mar 2020 10:17:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jGNt0-0002rV-E8 for bug-gnu-emacs@gnu.org; Mon, 23 Mar 2020 10:17:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 23 Mar 2020 14:17:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40088 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: fixed patch Original-Received: via spool by 40088-submit@debbugs.gnu.org id=B40088.158497299310960 (code B ref 40088); Mon, 23 Mar 2020 14:17:02 +0000 Original-Received: (at 40088) by debbugs.gnu.org; 23 Mar 2020 14:16:33 +0000 Original-Received: from localhost ([127.0.0.1]:53358 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jGNsW-0002qh-0j for submit@debbugs.gnu.org; Mon, 23 Mar 2020 10:16:32 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:51508) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jGNsU-0002qU-Mg for 40088@debbugs.gnu.org; Mon, 23 Mar 2020 10:16:31 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:53733) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1jGNsO-0006qf-Vd; Mon, 23 Mar 2020 10:16:25 -0400 Original-Received: from [176.228.60.248] (port=3599 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1jGNsH-0002hE-PC; Mon, 23 Mar 2020 10:16:24 -0400 In-Reply-To: <87d093kabi.fsf@gmail.com> (message from Noam Postavsky on Sun, 22 Mar 2020 23:40:49 -0400) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] 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: 209.51.188.43 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:177648 Archived-At: > From: Noam Postavsky > Cc: michael_heerdegen@web.de, joostkremers@fastmail.fm, > 40088@debbugs.gnu.org, monnier@iro.umontreal.ca > Date: Sun, 22 Mar 2020 23:40:49 -0400 > > >> > It sounds like a very basic error. How come we never saw it before? > >> > Is it just luck? > >> > >> Like I said, the debug.el code changed in Emacs 27 so that the bug can > >> be triggered more often. > > > > Is this code used only in debug.el? > > Actually, the call to backtrace--locals moved from debug.el to the new > file backtrace.el (via backtrace-get-frames). edebug.el and ert.el call > backtrace-get-frames too. So only backtrace-related functions can bump into this? The root cause sounded much more general to me.