From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.bugs Subject: bug#18577: Regexp I-search: [(error Stack overflow in regexp matcher)] Date: Sun, 28 Sep 2014 12:56:48 +0200 Message-ID: <87mw9kt3m7.fsf@igel.home> References: <20140928085554.GA3157@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1411901854 1087 80.91.229.3 (28 Sep 2014 10:57:34 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sun, 28 Sep 2014 10:57:34 +0000 (UTC) Cc: 18577@debbugs.gnu.org To: Alan Mackenzie Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Sep 28 12:57:27 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XYCAQ-0002mf-CX for geb-bug-gnu-emacs@m.gmane.org; Sun, 28 Sep 2014 12:57:26 +0200 Original-Received: from localhost ([::1]:59179 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYCAQ-0003Qc-26 for geb-bug-gnu-emacs@m.gmane.org; Sun, 28 Sep 2014 06:57:26 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:47840) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYCAI-0003QN-Mf for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 06:57:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XYCA8-0005k8-93 for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 06:57:18 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:34339) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XYCA8-0005hF-61 for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 06:57:08 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XYCA2-0006jc-Tj for bug-gnu-emacs@gnu.org; Sun, 28 Sep 2014 06:57:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Andreas Schwab Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 28 Sep 2014 10:57:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18577 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18577-submit@debbugs.gnu.org id=B18577.141190181625875 (code B ref 18577); Sun, 28 Sep 2014 10:57:02 +0000 Original-Received: (at 18577) by debbugs.gnu.org; 28 Sep 2014 10:56:56 +0000 Original-Received: from localhost ([127.0.0.1]:54136 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XYC9w-0006jH-Ec for submit@debbugs.gnu.org; Sun, 28 Sep 2014 06:56:56 -0400 Original-Received: from mail-out.m-online.net ([212.18.0.10]:57477) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XYC9u-0006j8-CX for 18577@debbugs.gnu.org; Sun, 28 Sep 2014 06:56:55 -0400 Original-Received: from frontend01.mail.m-online.net (unknown [192.168.8.182]) by mail-out.m-online.net (Postfix) with ESMTP id 3j5P1w6r8Dz3hjZY; Sun, 28 Sep 2014 12:56:52 +0200 (CEST) Original-Received: from localhost (dynscan1.mnet-online.de [192.168.6.68]) by mail.m-online.net (Postfix) with ESMTP id 3j5P1w5RSLzvjNK; Sun, 28 Sep 2014 12:56:52 +0200 (CEST) X-Virus-Scanned: amavisd-new at mnet-online.de Original-Received: from mail.mnet-online.de ([192.168.8.182]) by localhost (dynscan1.mail.m-online.net [192.168.6.68]) (amavisd-new, port 10024) with ESMTP id n3QZ3pJAlBVs; Sun, 28 Sep 2014 12:56:49 +0200 (CEST) X-Auth-Info: fopicbbCTA8OhYHLugJ0J4z6v29G2lWyOETUdt3l3DJ6cWgFG40iQ3ow+SuAcb62 Original-Received: from igel.home (ppp-188-174-146-80.dynamic.mnet-online.de [188.174.146.80]) by mail.mnet-online.de (Postfix) with ESMTPA; Sun, 28 Sep 2014 12:56:49 +0200 (CEST) Original-Received: by igel.home (Postfix, from userid 1000) id D0B112C2019; Sun, 28 Sep 2014 12:56:48 +0200 (CEST) X-Yow: I want the presidency so bad I can already taste the hors d'oeuvres. In-Reply-To: <20140928085554.GA3157@acm.acm> (Alan Mackenzie's message of "Sun, 28 Sep 2014 08:55:55 +0000") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.93 (gnu/linux) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:93819 Archived-At: Alan Mackenzie writes: > With point at BOB, do C-M-s and enter this regular expression at the > prompt: > > /\*\(\([^'*]\|\*[^/']\)*\*?'\([^'*]\|\*[^/']\)*\*?'\)*\([^'*]\|\*[^'/]\)*\*?'\([^'*]\|\*[^/']\)*\*?\*/ \(...\(...\)*...\)* is bad. \(...\)*\(...\)* is also bad. Both can cause combinatorial explosions in backtracking. Andreas. -- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."