From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Lars Ingebrigtsen Newsgroups: gmane.emacs.bugs Subject: bug#32444: 27.0.50; lisp.h XCAR compilatiob warning Date: Thu, 27 Jun 2019 23:08:02 +0200 Message-ID: References: <878t58pi8t.fsf@aol.com> <87r27yvocn.fsf@mouse.gnus.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="42765"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: 32444@debbugs.gnu.org To: Live System User Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Jun 27 23:16:14 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hgbkZ-000Avc-Eu for geb-bug-gnu-emacs@m.gmane.org; Thu, 27 Jun 2019 23:16:11 +0200 Original-Received: from localhost ([::1]:54702 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hgbkY-0006TQ-EC for geb-bug-gnu-emacs@m.gmane.org; Thu, 27 Jun 2019 17:16:10 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55130) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hgbdi-00007J-PN for bug-gnu-emacs@gnu.org; Thu, 27 Jun 2019 17:09:08 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hgbdg-0002ou-GI for bug-gnu-emacs@gnu.org; Thu, 27 Jun 2019 17:09:06 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:54583) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hgbde-0002nG-En for bug-gnu-emacs@gnu.org; Thu, 27 Jun 2019 17:09:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hgbde-0003A7-3F for bug-gnu-emacs@gnu.org; Thu, 27 Jun 2019 17:09:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 27 Jun 2019 21:09:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 32444 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: confirmed Original-Received: via spool by 32444-submit@debbugs.gnu.org id=B32444.156166969112024 (code B ref 32444); Thu, 27 Jun 2019 21:09:02 +0000 Original-Received: (at 32444) by debbugs.gnu.org; 27 Jun 2019 21:08:11 +0000 Original-Received: from localhost ([127.0.0.1]:39888 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hgbcp-00037s-5E for submit@debbugs.gnu.org; Thu, 27 Jun 2019 17:08:11 -0400 Original-Received: from quimby.gnus.org ([80.91.231.51]:49516) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hgbcm-00037f-UP for 32444@debbugs.gnu.org; Thu, 27 Jun 2019 17:08:09 -0400 Original-Received: from cm-84.212.202.86.getinternet.no ([84.212.202.86] helo=stories) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hgbch-0001pA-0F; Thu, 27 Jun 2019 23:08:06 +0200 In-Reply-To: <87r27yvocn.fsf@mouse.gnus.org> (Lars Ingebrigtsen's message of "Wed, 12 Jun 2019 17:02:16 +0200") 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: 209.51.188.43 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:161659 Archived-At: Lars Ingebrigtsen writes: > Live System User writes: > >> Compilation gives various warnings: >> >> In file included from dbusbind.c:26:0: >> dbusbind.c: In function =E2=80=98xd_signature=E2=80=99: >> lisp.h:379:38: warning: potential null pointer dereference [-Wnull-deref= erence] >> #define lisp_h_XCAR(c) XCONS (c)->u.s.car >> ~~~~~~~~~~~~~~^~ >> lisp.h:1280:10: note: in expansion of macro =E2=80=98lisp_h_XCAR=E2=80=99 >> return lisp_h_XCAR (c); >> ^~~~~~~~~~~ > > Yes, I'm seeing the same thing. Is this due to an old version of gcc or > something? I'm using "gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516". Yes, it's not present with a newer gcc, so this is a known issue (and it sounds like it won't be fixed (from when I reported a similar thing)), so I'm closing this bug report. --=20 (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no