From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#31274: 27.0.50; xdisp.c:7575: Emacs fatal error: assertion failed: IT_BYTEPOS (*it) == CHAR_TO_BYTE (IT_CHARPOS (*it)) Date: Sat, 28 Apr 2018 12:29:47 +0300 Message-ID: <83h8nvu19w.fsf@gnu.org> References: Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1524907746 28773 195.159.176.226 (28 Apr 2018 09:29:06 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 28 Apr 2018 09:29:06 +0000 (UTC) Cc: 31274@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Apr 28 11:29:02 2018 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 1fCMA8-0007Mt-Uf for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Apr 2018 11:29:01 +0200 Original-Received: from localhost ([::1]:51413 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fCMCF-0005zt-F3 for geb-bug-gnu-emacs@m.gmane.org; Sat, 28 Apr 2018 05:31:11 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59653) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fCMC9-0005zi-A2 for bug-gnu-emacs@gnu.org; Sat, 28 Apr 2018 05:31:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fCMC6-0002Tr-5Q for bug-gnu-emacs@gnu.org; Sat, 28 Apr 2018 05:31:05 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:33689) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fCMC6-0002Tj-1e for bug-gnu-emacs@gnu.org; Sat, 28 Apr 2018 05:31:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1fCMC5-00061k-Pe for bug-gnu-emacs@gnu.org; Sat, 28 Apr 2018 05:31:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 28 Apr 2018 09:31:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 31274 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 31274-submit@debbugs.gnu.org id=B31274.152490781823118 (code B ref 31274); Sat, 28 Apr 2018 09:31:01 +0000 Original-Received: (at 31274) by debbugs.gnu.org; 28 Apr 2018 09:30:18 +0000 Original-Received: from localhost ([127.0.0.1]:41586 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fCMBO-00060o-BK for submit@debbugs.gnu.org; Sat, 28 Apr 2018 05:30:18 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:40324) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fCMBM-00060b-Iy for 31274@debbugs.gnu.org; Sat, 28 Apr 2018 05:30:16 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fCMBD-0002Ad-DU for 31274@debbugs.gnu.org; Sat, 28 Apr 2018 05:30:11 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51194) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fCMBD-0002AZ-AC; Sat, 28 Apr 2018 05:30:07 -0400 Original-Received: from [176.228.60.248] (port=1898 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1fCMBA-0007Gn-Uf; Sat, 28 Apr 2018 05:30:05 -0400 In-reply-to: (message from Stefan Monnier on Thu, 26 Apr 2018 15:54:55 -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: 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:145797 Archived-At: > From: Stefan Monnier > Date: Thu, 26 Apr 2018 15:54:55 -0400 > > Package: Emacs > Version: 27.0.50 > > I can reproduce the above assertion failure when I do the following: > > % src/emacs -Q /usr/bin/perl -l .../elpa/packages/nhexl-mode/nhexl-mode.el -f nhexl-mode --eval '(setq word-wrap t)' > y > M-> I cannot reproduce this, with today's master of Emacs and of ELPA. I tried on GNU/Linux (in -nw) and on MS-Windows (in a GUI session), and both didn't trigger the assertion (tried with 3 executables, including those you mentioned). I'm guessing some particular byte sequence present in your binaries triggers this. So please provide more details. P.S. I frequently wonder why veteran experienced users omit crucial information from their bug reports, such as the C backtrace in this case, that is very easy for them to collect. Please don't ever assume that something which is 100% reproducible on your system can be similarly easily reproduced on any other system, and that therefore those details are an unnecessary luxury.