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#46988: 28.0.50; Documenting and verifying assumptions about C code not calling quit or GCing Date: Thu, 23 Jun 2022 18:20:09 +0200 Message-ID: <5AE164C5-3EA7-44CC-8328-448EEA1C50F2@acm.org> References: <87zgi8p0vd.fsf@gnus.org> <83a6a7mu8r.fsf@gnu.org> <83a6a3e50o.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="35092"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 46988@debbugs.gnu.org, larsi@gnus.org, monnier@iro.umontreal.ca, Pip Cet To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jun 23 18:22:40 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 1o4PbL-0008yk-Tx for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 23 Jun 2022 18:22:39 +0200 Original-Received: from localhost ([::1]:45320 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1o4PbK-0001lp-Rj for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 23 Jun 2022 12:22:38 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52714) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1o4PZm-00008z-Ed for bug-gnu-emacs@gnu.org; Thu, 23 Jun 2022 12:21:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45780) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1o4PZm-00019d-5z for bug-gnu-emacs@gnu.org; Thu, 23 Jun 2022 12:21:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1o4PZm-0007u7-2R for bug-gnu-emacs@gnu.org; Thu, 23 Jun 2022 12:21:02 -0400 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: Thu, 23 Jun 2022 16:21:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 46988 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: moreinfo patch Original-Received: via spool by 46988-submit@debbugs.gnu.org id=B46988.165600122130313 (code B ref 46988); Thu, 23 Jun 2022 16:21:02 +0000 Original-Received: (at 46988) by debbugs.gnu.org; 23 Jun 2022 16:20:21 +0000 Original-Received: from localhost ([127.0.0.1]:39677 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1o4PZ7-0007sq-Ak for submit@debbugs.gnu.org; Thu, 23 Jun 2022 12:20:21 -0400 Original-Received: from mail1451c50.megamailservers.eu ([91.136.14.51]:48556 helo=mail266c50.megamailservers.eu) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1o4PZ5-0007sY-2N for 46988@debbugs.gnu.org; Thu, 23 Jun 2022 12:20:20 -0400 X-Authenticated-User: mattiase@bredband.net DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=megamailservers.eu; s=maildub; t=1656001212; bh=6uSOgZLyZbp3hAYwbHYJ+1HdWCbtf7ZKZlP9PW8yD9s=; h=Subject:From:In-Reply-To:Date:Cc:References:To:From; b=E2vEgW1cCd8e/JVhXKlNAZptNr37Xv83mT5/VKbWG03taL9VKXu72h2NS3LrwWEGc X8Di2Pt/wTMcA+f8Wtq3MoXZDIfqjqV8sb7zHiBqAwKzqN5+anvJy5PZ3yc9z2BBmb MCBV/0A+Hf9VJ0D3s+VbKn8/0Y6/4B18TGXmUP2Y= Feedback-ID: mattiase@acm.or Original-Received: from smtpclient.apple (c188-150-171-71.bredband.tele2.se [188.150.171.71]) (authenticated bits=0) by mail266c50.megamailservers.eu (8.14.9/8.13.1) with ESMTP id 25NGKA0H078708; Thu, 23 Jun 2022 16:20:11 +0000 In-Reply-To: <83a6a3e50o.fsf@gnu.org> X-Mailer: Apple Mail (2.3654.120.0.1.13) X-CTCH-RefID: str=0001.0A782F1B.62B492BC.004A, 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:235121 Archived-At: 23 juni 2022 kl. 18.08 skrev Eli Zaretskii : > Clang at least attempts to be GCC-compliant. But there are other C > compilers we want to support which don't do even that. Quite true. I don't think we should bother supporting them (at least not = right away); just disable the feature for them. The feature looks sound in principle and probably useful. Matt Armstrong = had some good comments on the surface = (https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D46988#20) to make it = more readable. Maybe it would be useful to generalise it to other dynamic checks, such = as 'no consing', 'no lisp', 'no bytecode', 'no regexp', 'no signalling'?