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#29183: 27.0.50; SIGSEGV on C-g on Windows Date: Wed, 08 Nov 2017 20:53:53 +0200 Message-ID: <83wp30r48u.fsf@gnu.org> References: <83mv3ysqth.fsf@gnu.org> <83d14tswq6.fsf@gnu.org> <834lq5saeu.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1510167253 10814 195.159.176.226 (8 Nov 2017 18:54:13 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Wed, 8 Nov 2017 18:54:13 +0000 (UTC) Cc: 29183@debbugs.gnu.org To: John Mastro , Paul Eggert Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Wed Nov 08 19:54:09 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 1eCVUG-0002c0-9m for geb-bug-gnu-emacs@m.gmane.org; Wed, 08 Nov 2017 19:54:08 +0100 Original-Received: from localhost ([::1]:33514 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eCVUN-0006xU-IC for geb-bug-gnu-emacs@m.gmane.org; Wed, 08 Nov 2017 13:54:15 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:35176) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eCVUB-0006vd-6g for bug-gnu-emacs@gnu.org; Wed, 08 Nov 2017 13:54:04 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eCVU9-0005UF-Vi for bug-gnu-emacs@gnu.org; Wed, 08 Nov 2017 13:54:03 -0500 Original-Received: from debbugs.gnu.org ([208.118.235.43]:50206) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eCVU9-0005U9-Ru for bug-gnu-emacs@gnu.org; Wed, 08 Nov 2017 13:54:01 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1eCVU9-0000SJ-IV for bug-gnu-emacs@gnu.org; Wed, 08 Nov 2017 13:54:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 08 Nov 2017 18:54:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 29183 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 29183-submit@debbugs.gnu.org id=B29183.15101672381743 (code B ref 29183); Wed, 08 Nov 2017 18:54:01 +0000 Original-Received: (at 29183) by debbugs.gnu.org; 8 Nov 2017 18:53:58 +0000 Original-Received: from localhost ([127.0.0.1]:58887 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eCVU6-0000S3-M7 for submit@debbugs.gnu.org; Wed, 08 Nov 2017 13:53:58 -0500 Original-Received: from eggs.gnu.org ([208.118.235.92]:44121) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eCVU5-0000Rr-ET for 29183@debbugs.gnu.org; Wed, 08 Nov 2017 13:53:57 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eCVTx-0005PX-1S for 29183@debbugs.gnu.org; Wed, 08 Nov 2017 13:53:52 -0500 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:50263) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eCVTw-0005PR-Tx; Wed, 08 Nov 2017 13:53:48 -0500 Original-Received: from [176.228.60.248] (port=2234 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1eCVTv-0007BY-EW; Wed, 08 Nov 2017 13:53:48 -0500 In-reply-to: (message from John Mastro on Wed, 8 Nov 2017 10:35:06 -0800) 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:139621 Archived-At: > From: John Mastro > Date: Wed, 8 Nov 2017 10:35:06 -0800 > Cc: 29183@debbugs.gnu.org > > Ah, thanks. After preprocessing, that line becomes: > > static struct thread_state __attribute__ ((aligned (8))) main_thread; That's what it should have become... > >> $ gcc --version > >> gcc.exe (Rev1, Built by MSYS2 project) 7.2.0 > > > > Should be okay, I think. Does the problem go away if you remove > > GCALIGNED from that line in thread.c and rebuild? > > Yep, the SIGSEGV is gone if I remove GCALIGNED from that line. Hmm... so it sounds like our assumption that this attribute should be a no-op in this case is incorrect, or maybe it's a bug in GCC 7.2? Paul?