From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Newsgroups: gmane.emacs.bugs Subject: bug#53071: 28.0.90; Emacs 28 regression: incorrect code generation for complex pcase forms? Date: Wed, 12 Jan 2022 20:09:26 +0100 Message-ID: <5CB5FFBD-7859-416B-9E66-21A7590DB35C@acm.org> References: <39D132B5-6B44-41F0-A618-6A68BFB5FEBF@gmail.com> <87mtk1niyj.fsf@web.de> <653D1A81-3A8F-4964-8A80-4C84F8C2A07A@acm.org> <83czkw6gca.fsf@gnu.org> Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="7558"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Philipp , Paul Pogonyshev , 53071@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Jan 12 20:11:20 2022 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1n7j1j-0001m7-Gj for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 12 Jan 2022 20:11:19 +0100 Original-Received: from localhost ([::1]:55528 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n7j1i-0000OW-2O for geb-bug-gnu-emacs@m.gmane-mx.org; Wed, 12 Jan 2022 14:11:18 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:54390) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n7j0V-0000OO-73 for bug-gnu-emacs@gnu.org; Wed, 12 Jan 2022 14:10:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:37982) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1n7j0U-0007zE-T6 for bug-gnu-emacs@gnu.org; Wed, 12 Jan 2022 14:10:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1n7j0U-0001EY-I7 for bug-gnu-emacs@gnu.org; Wed, 12 Jan 2022 14:10:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 12 Jan 2022 19:10:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 53071 X-GNU-PR-Package: emacs Original-Received: via spool by 53071-submit@debbugs.gnu.org id=B53071.16420145804699 (code B ref 53071); Wed, 12 Jan 2022 19:10:02 +0000 Original-Received: (at 53071) by debbugs.gnu.org; 12 Jan 2022 19:09:40 +0000 Original-Received: from localhost ([127.0.0.1]:59118 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1n7j08-0001Dj-AE for submit@debbugs.gnu.org; Wed, 12 Jan 2022 14:09:40 -0500 Original-Received: from mail151c50.megamailservers.eu ([91.136.10.161]:59642 helo=mail50c50.megamailservers.eu) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1n7j05-0001DW-Gf for 53071@debbugs.gnu.org; Wed, 12 Jan 2022 14:09:39 -0500 X-Authenticated-User: mattiase@bredband.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megamailservers.eu; s=maildub; t=1642014575; bh=xqJ08UeRrdjjPBcZdjdXEtmGHBFGNDdNP2Xkqux1EZk=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=WWL9jmY9wwwxm8EPJBsmjDzad43DQo+nyewQ4z7obMNcwNWv1uyDB3+G03r/XFhO0 +01SXSasf6s8/H0lR9H+gl/Hlt48U7XXouh2t4BwJbc+3t5+SrjFkxV6QdnnzKa80U 7agR/6HIhmGqu9sRMCbrgrTufdAtdbZXBeRy8BWk= Feedback-ID: mattiase@acm.or Original-Received: from smtpclient.apple (c-b952e353.032-75-73746f71.bbcust.telenor.se [83.227.82.185]) (authenticated bits=0) by mail50c50.megamailservers.eu (8.14.9/8.13.1) with ESMTP id 20CJ9QlG019809; Wed, 12 Jan 2022 19:09:32 +0000 In-Reply-To: <83czkw6gca.fsf@gnu.org> X-Mailer: Apple Mail (2.3654.120.0.1.13) X-CTCH-RefID: str=0001.0A742F22.61DF276E.0066, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0 X-CTCH-VOD: Unknown X-CTCH-Spam: Unknown X-CTCH-Score: 0.000 X-CTCH-Flags: 0 X-CTCH-ScoreCust: 0.000 X-Origin-Country: SE X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:224027 Archived-At: 12 jan. 2022 kl. 17.58 skrev Eli Zaretskii : > So I'm about to revert this backport, but I'm prepared to hear > arguments why shouldn't I. I broke protocol by pushing it to the stable branch in this phase = without permission. Sorry about that; the change has now been reverted. = Will be more careful in the future. > =46rom my POV, the regression is very minor, and it doesn't justify = such > a non-trivial change in such a central place. I personally don't care much about it since I don't use Emacs 28 but = would certainly not prefer at least two known, documented and harmful = bugs reported by our users over some vague hypothetical conjectured = problem that might arise. > If you think the > problem is serious, I'd rather revert the change we did which produced > the regression in the first place (assuming it's not too complicated). That would be inadvisable as it would introduce yet another bug, the fix = of which was the immediate cause of the regression.