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: Wed, 12 Jun 2019 17:02:16 +0200 Message-ID: <87r27yvocn.fsf@mouse.gnus.org> References: <878t58pi8t.fsf@aol.com> 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="217054"; 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 Wed Jun 12 17:06:47 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 1hb4pp-000uGv-Aa for geb-bug-gnu-emacs@m.gmane.org; Wed, 12 Jun 2019 17:06:45 +0200 Original-Received: from localhost ([::1]:32990 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hb4po-00016E-AK for geb-bug-gnu-emacs@m.gmane.org; Wed, 12 Jun 2019 11:06:44 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:58427) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hb4mN-0007Ja-3T for bug-gnu-emacs@gnu.org; Wed, 12 Jun 2019 11:03:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hb4mI-0001gR-5J for bug-gnu-emacs@gnu.org; Wed, 12 Jun 2019 11:03:11 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:48529) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hb4mE-0001ZA-LU for bug-gnu-emacs@gnu.org; Wed, 12 Jun 2019 11:03:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hb4mE-00067j-Gr for bug-gnu-emacs@gnu.org; Wed, 12 Jun 2019 11:03:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Lars Ingebrigtsen Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 12 Jun 2019 15:03:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 32444 X-GNU-PR-Package: emacs Original-Received: via spool by 32444-submit@debbugs.gnu.org id=B32444.156035174322623 (code B ref 32444); Wed, 12 Jun 2019 15:03:02 +0000 Original-Received: (at 32444) by debbugs.gnu.org; 12 Jun 2019 15:02:23 +0000 Original-Received: from localhost ([127.0.0.1]:33837 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hb4lb-0005se-9F for submit@debbugs.gnu.org; Wed, 12 Jun 2019 11:02:23 -0400 Original-Received: from quimby.gnus.org ([80.91.231.51]:55106) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1hb4lZ-0005qG-EJ for 32444@debbugs.gnu.org; Wed, 12 Jun 2019 11:02:21 -0400 Original-Received: from cm-84.212.204.8.getinternet.no ([84.212.204.8] helo=marnie) by quimby.gnus.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1hb4lU-0006zt-Ot; Wed, 12 Jun 2019 17:02:19 +0200 In-Reply-To: <878t58pi8t.fsf@aol.com> (Live System User's message of "Tue, 14 Aug 2018 20:48:34 -0400") 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:160442 Archived-At: 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-derefe= rence] > #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". --=20 (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no