From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#23949: 25.0.95; Regression in handling error caused by (string-match-p "." nil) Date: Tue, 12 Jul 2016 16:14:09 +0300 Message-ID: <83lh17ati6.fsf@gnu.org> References: Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1468329333 21402 80.91.229.3 (12 Jul 2016 13:15:33 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 12 Jul 2016 13:15:33 +0000 (UTC) Cc: 23949@debbugs.gnu.org To: Kaushal Modi Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Jul 12 15:15:22 2016 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 1bMxWx-0001lT-Kg for geb-bug-gnu-emacs@m.gmane.org; Tue, 12 Jul 2016 15:15:19 +0200 Original-Received: from localhost ([::1]:40450 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bMxWw-00078X-Qj for geb-bug-gnu-emacs@m.gmane.org; Tue, 12 Jul 2016 09:15:18 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50842) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bMxWm-000753-Pi for bug-gnu-emacs@gnu.org; Tue, 12 Jul 2016 09:15:14 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bMxWg-0001U0-G3 for bug-gnu-emacs@gnu.org; Tue, 12 Jul 2016 09:15:07 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:35408) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bMxWg-0001Tw-Ct for bug-gnu-emacs@gnu.org; Tue, 12 Jul 2016 09:15:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bMxWg-0002xY-9A for bug-gnu-emacs@gnu.org; Tue, 12 Jul 2016 09:15:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 12 Jul 2016 13:15:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 23949 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 23949-submit@debbugs.gnu.org id=B23949.146832928711340 (code B ref 23949); Tue, 12 Jul 2016 13:15:02 +0000 Original-Received: (at 23949) by debbugs.gnu.org; 12 Jul 2016 13:14:47 +0000 Original-Received: from localhost ([127.0.0.1]:47745 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bMxWL-0002wk-Sq for submit@debbugs.gnu.org; Tue, 12 Jul 2016 09:14:47 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:59514) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bMxWF-0002wR-IG for 23949@debbugs.gnu.org; Tue, 12 Jul 2016 09:14:40 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bMxW7-0001KM-5E for 23949@debbugs.gnu.org; Tue, 12 Jul 2016 09:14:30 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:35704) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bMxW7-0001K7-2q; Tue, 12 Jul 2016 09:14:27 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:2144 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bMxW5-0008Rw-1H; Tue, 12 Jul 2016 09:14:25 -0400 In-reply-to: (message from Kaushal Modi on Tue, 12 Jul 2016 12:29:25 +0000) 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: 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:120903 Archived-At: > From: Kaushal Modi > Date: Tue, 12 Jul 2016 12:29:25 +0000 > > Lisp Backtrace: > "read-from-string" (0xffff3a30) > "help-function-arglist" (0xffff3f88) This says it tried to read from a string. What string was that? And why does help-function-arglist try to read from that string? > #9 0x0000000000623fab in Fread_from_string (string=57797668, start=0, end=0) at lread.c:2075 In this frame, please show the value of 'string', like this: (gdb) frame 9 (gdb) p string (gdb) xstring