From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Dima Kogan Newsgroups: gmane.emacs.bugs Subject: bug#25362: 26.0.50; comment-region goes into an infinite loop Date: Wed, 04 Jan 2017 15:37:25 -0800 Message-ID: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-Trace: blaine.gmane.org 1483573095 16548 195.159.176.226 (4 Jan 2017 23:38:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 4 Jan 2017 23:38:15 +0000 (UTC) To: 25362@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jan 05 00:38:11 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 1cOv8C-0003fE-TX for geb-bug-gnu-emacs@m.gmane.org; Thu, 05 Jan 2017 00:38:09 +0100 Original-Received: from localhost ([::1]:42836 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cOv8H-0005RE-4C for geb-bug-gnu-emacs@m.gmane.org; Wed, 04 Jan 2017 18:38:13 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:43069) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cOv8A-0005Qw-T4 for bug-gnu-emacs@gnu.org; Wed, 04 Jan 2017 18:38:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cOv85-0007st-Vz for bug-gnu-emacs@gnu.org; Wed, 04 Jan 2017 18:38:06 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:54412) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cOv85-0007sp-T5 for bug-gnu-emacs@gnu.org; Wed, 04 Jan 2017 18:38:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cOv85-0005Z8-ML for bug-gnu-emacs@gnu.org; Wed, 04 Jan 2017 18:38:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Dima Kogan Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 04 Jan 2017 23:38:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 25362 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Original-Received: via spool by submit@debbugs.gnu.org id=B.148357306721372 (code B ref -1); Wed, 04 Jan 2017 23:38:01 +0000 Original-Received: (at submit) by debbugs.gnu.org; 4 Jan 2017 23:37:47 +0000 Original-Received: from localhost ([127.0.0.1]:41578 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cOv7q-0005Ye-V5 for submit@debbugs.gnu.org; Wed, 04 Jan 2017 18:37:47 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:51982) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cOv7p-0005YS-Q4 for submit@debbugs.gnu.org; Wed, 04 Jan 2017 18:37:46 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cOv7j-0007n3-I7 for submit@debbugs.gnu.org; Wed, 04 Jan 2017 18:37:40 -0500 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:55625) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cOv7j-0007mx-FB for submit@debbugs.gnu.org; Wed, 04 Jan 2017 18:37:39 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:42936) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cOv7i-0005CH-7f for bug-gnu-emacs@gnu.org; Wed, 04 Jan 2017 18:37:39 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cOv7d-0007lY-CK for bug-gnu-emacs@gnu.org; Wed, 04 Jan 2017 18:37:38 -0500 Original-Received: from smtp.jpl.nasa.gov ([128.149.139.109]:45161 helo=mail.jpl.nasa.gov) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cOv7d-0007l2-36 for bug-gnu-emacs@gnu.org; Wed, 04 Jan 2017 18:37:33 -0500 Original-Received: from fatty.jpl.nasa.gov (fatty.jpl.nasa.gov [128.149.110.210]) (authenticated (0 bits)) by smtp.jpl.nasa.gov (Sentrion-MTA-4.3.1/Sentrion-MTA-4.3.1) with ESMTP id v04NbP1X000790 (using TLSv1 with cipher AES256-SHA (256 bits) verified NO) for ; Wed, 4 Jan 2017 15:37:26 -0800 Original-Received: by fatty.jpl.nasa.gov (sSMTP sendmail emulation); Wed, 04 Jan 2017 15:37:25 -0800 X-Source-Sender: dima@secretsauce.net X-AUTH: Authorized X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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:127763 Archived-At: --=-=-= Content-Type: text/plain Hi. I'm using a very recent emacs built from master: eb3416016b4 I'm observing (comment-region) go into an infinite loop when presented with particular data. I'm attaching a small source file that demonstrates the issue. To see it break, run this: emacs --eval '(add-hook (quote c-mode-common-hook) (lambda () (setq comment-start "//" comment-end "")))' \ --eval '(global-set-key (kbd "") (lambda () (interactive) (comment-region 16 45)))' \ -Q tst6.c This loads the demo file with a clean configuration, and runs two bits of lisp: 1. Sets up a c++ commenting style. This is required for the issue to present itself 2. Binds f5 to run the problematic (comment-region) On my machine, invoking emacs that way, and then hitting f5 shows the problem. --=-=-= Content-Type: text/x-csrc Content-Disposition: inline; filename=tst6.c void f(void) { g( // output s ); } --=-=-=--