From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Alan Mackenzie Newsgroups: gmane.emacs.bugs Subject: bug#6942: 24.0.50; Uses 100% CPU and eats memory with trivial C++ code Date: Sun, 5 Sep 2010 13:05:16 +0000 Message-ID: <20100905130516.GA3456@muc.de> References: <8739txrl2h.fsf@telefonica.net> <87d3st9wov.fsf@stupidchicken.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: dough.gmane.org 1283692225 24468 80.91.229.12 (5 Sep 2010 13:10:25 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 5 Sep 2010 13:10:25 +0000 (UTC) Cc: =?UTF-8?Q?=C3=93scar?= Fuentes , Nathaniel Flath , 6942@debbugs.gnu.org To: Chong Yidong Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Sep 05 15:10:23 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OsEzD-00071j-KB for geb-bug-gnu-emacs@m.gmane.org; Sun, 05 Sep 2010 15:10:21 +0200 Original-Received: from localhost ([127.0.0.1]:43951 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OsEzA-0000cO-Vo for geb-bug-gnu-emacs@m.gmane.org; Sun, 05 Sep 2010 09:10:17 -0400 Original-Received: from [140.186.70.92] (port=56451 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OsEyx-0000YQ-OL for bug-gnu-emacs@gnu.org; Sun, 05 Sep 2010 09:10:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OsEyv-0001RR-BD for bug-gnu-emacs@gnu.org; Sun, 05 Sep 2010 09:10:02 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:55372) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OsEyt-0001R3-3D; Sun, 05 Sep 2010 09:09:59 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.69) (envelope-from ) id 1OsEhV-000350-Ok; Sun, 05 Sep 2010 08:52:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Alan Mackenzie Original-Sender: debbugs-submit-bounces@debbugs.gnu.org Resent-To: owner@debbugs.gnu.org Resent-CC: bug-gnu-emacs@gnu.org, bug-cc-mode@gnu.org Resent-Date: Sun, 05 Sep 2010 12:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 6942 X-GNU-PR-Package: emacs,cc-mode X-GNU-PR-Keywords: Original-Received: via spool by 6942-submit@debbugs.gnu.org id=B6942.128369108811824 (code B ref 6942); Sun, 05 Sep 2010 12:52:01 +0000 Original-Received: (at 6942) by debbugs.gnu.org; 5 Sep 2010 12:51:28 +0000 Original-Received: from localhost ([127.0.0.1] helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OsEgx-00034f-Lv for submit@debbugs.gnu.org; Sun, 05 Sep 2010 08:51:27 -0400 Original-Received: from colin.muc.de ([193.149.48.1] helo=mail.muc.de) by debbugs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OsEgv-00034Y-2s for 6942@debbugs.gnu.org; Sun, 05 Sep 2010 08:51:26 -0400 Original-Received: (qmail 93599 invoked by uid 3782); 5 Sep 2010 12:53:14 -0000 Original-Received: from acm.muc.de (pD9E50153.dip.t-dialin.net [217.229.1.83]) by colin2.muc.de (tmda-ofmipd) with ESMTP; Sun, 05 Sep 2010 14:53:10 +0200 Original-Received: (qmail 3614 invoked by uid 1000); 5 Sep 2010 13:05:16 -0000 Content-Disposition: inline In-Reply-To: <87d3st9wov.fsf@stupidchicken.com> User-Agent: Mutt/1.5.9i X-Delivery-Agent: TMDA/1.1.5 (Fettercairn) X-Primary-Address: acm@muc.de X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Sun, 05 Sep 2010 08:52:01 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) 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: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:39991 Archived-At: Hi, everybody! On Sat, Sep 04, 2010 at 02:43:12PM -0400, Chong Yidong wrote: > Óscar Fuentes writes: > > emacs -Q [ENTER] > > C-x C-f foo.cpp [ENTER] > > template > As soon as the comma is typed, Emacs hangs and starts eating several MB > > of RAM per second. Pressing C-g takes effect after a few seconds. When the comma is typed? You should be so lucky! I get an infinite recursion on typing the <, after which nothing should surprise. ;-) > Thanks, I can reproduce the bug. It seems to a regression due to the > 2010-07-31 template changes in CC mode. Alan or Nathaniel, could either > of you please take a look? Thanks. The infinite recursion is in c-forward-<>-arglist-recur, a function which has been changed quite a bit recently. -- Alan Mackenzie (Nuremberg, Germany).