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#33014: 26.1.50; 27.0.50; Fatal error after re-evaluating a thread's function Date: Sat, 20 Oct 2018 13:20:19 +0300 Message-ID: <837eicvs0s.fsf@gnu.org> References: <87d0sh9hje.fsf@runbox.com> <83murjwplq.fsf@gnu.org> <87zhvjc4r3.fsf@runbox.com> <83y3b2uzyt.fsf@gnu.org> <87va65daw9.fsf@runbox.com> <8336t9vi3h.fsf@gnu.org> <87ftx89uqs.fsf@igel.home> <837eijtfw1.fsf@gnu.org> <878t2xd90z.fsf@runbox.com> <83in21snha.fsf@gnu.org> <87woqebx9v.fsf@runbox.com> <83va5ypbpo.fsf@gnu.org> <878t2tbt34.fsf@runbox.com> <83lg6tunlo.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1540030746 3179 195.159.176.226 (20 Oct 2018 10:19:06 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sat, 20 Oct 2018 10:19:06 +0000 (UTC) Cc: gazally@runbox.com, 33014@debbugs.gnu.org To: Andreas Schwab Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Oct 20 12:19:02 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 1gDoLV-0000kE-SZ for geb-bug-gnu-emacs@m.gmane.org; Sat, 20 Oct 2018 12:19:01 +0200 Original-Received: from localhost ([::1]:54500 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDoNc-0007vu-Dr for geb-bug-gnu-emacs@m.gmane.org; Sat, 20 Oct 2018 06:21:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:54408) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDoNW-0007vp-9i for bug-gnu-emacs@gnu.org; Sat, 20 Oct 2018 06:21:06 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDoNS-0003Q6-Ai for bug-gnu-emacs@gnu.org; Sat, 20 Oct 2018 06:21:06 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:56031) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gDoNS-0003Py-6A for bug-gnu-emacs@gnu.org; Sat, 20 Oct 2018 06:21:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1gDoNS-0005EK-1O for bug-gnu-emacs@gnu.org; Sat, 20 Oct 2018 06:21:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 20 Oct 2018 10:21:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 33014 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 33014-submit@debbugs.gnu.org id=B33014.154003084820074 (code B ref 33014); Sat, 20 Oct 2018 10:21:01 +0000 Original-Received: (at 33014) by debbugs.gnu.org; 20 Oct 2018 10:20:48 +0000 Original-Received: from localhost ([127.0.0.1]:60289 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gDoNE-0005Di-Gl for submit@debbugs.gnu.org; Sat, 20 Oct 2018 06:20:48 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:44763) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1gDoND-0005DW-4Y for 33014@debbugs.gnu.org; Sat, 20 Oct 2018 06:20:47 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDoN4-00035w-4I for 33014@debbugs.gnu.org; Sat, 20 Oct 2018 06:20:42 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:37617) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDoN4-00035m-02; Sat, 20 Oct 2018 06:20:38 -0400 Original-Received: from [176.228.60.248] (port=1389 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1gDoN3-0005Gw-JE; Sat, 20 Oct 2018 06:20:37 -0400 In-reply-to: (message from Andreas Schwab on Sat, 20 Oct 2018 10:23:37 +0200) 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:151461 Archived-At: > From: Andreas Schwab > Cc: Gemini Lasswell , 33014@debbugs.gnu.org > Date: Sat, 20 Oct 2018 10:23:37 +0200 > > On Okt 20 2018, Eli Zaretskii wrote: > > >> Maybe code optimizers have improved over the last 17 years? > > > > I think a much more significant factor is that modern processors have > > many more registers to use. > > I think an important factor is that they pass arguments in registers, so > it is more likely that the original value of an argument is lost. Agreed. That's part of what I meant by "have many more registers".