From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andreas Schwab Newsgroups: gmane.emacs.devel Subject: Re: bootstrap problem with union Lisp_Object Date: Tue, 06 Dec 2005 12:44:00 +0100 Message-ID: References: <55DA5764-DDB6-4858-9CE2-065857CDC863@gnu.org> <3AFF0594-F842-4079-9A3B-D1CF7358A281@raeburn.org> NNTP-Posting-Host: main.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: sea.gmane.org 1133876175 17988 80.91.229.2 (6 Dec 2005 13:36:15 GMT) X-Complaints-To: usenet@sea.gmane.org NNTP-Posting-Date: Tue, 6 Dec 2005 13:36:15 +0000 (UTC) Cc: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Dec 06 14:36:03 2005 Return-path: Original-Received: from lists.gnu.org ([199.232.76.165]) by ciao.gmane.org with esmtp (Exim 4.43) id 1EjcxR-0001ri-E5 for ged-emacs-devel@m.gmane.org; Tue, 06 Dec 2005 14:34:13 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Ejcxb-0003gB-72 for ged-emacs-devel@m.gmane.org; Tue, 06 Dec 2005 08:34:23 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1EjbMG-0003Wg-OS for emacs-devel@gnu.org; Tue, 06 Dec 2005 06:51:45 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1EjbHz-0002RI-1w for emacs-devel@gnu.org; Tue, 06 Dec 2005 06:48:33 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1EjbF1-00021T-Ao for emacs-devel@gnu.org; Tue, 06 Dec 2005 06:44:16 -0500 Original-Received: from [195.135.220.15] (helo=mx2.suse.de) by monty-python.gnu.org with esmtp (TLS-1.0:DHE_RSA_3DES_EDE_CBC_SHA:24) (Exim 4.34) id 1EjbFg-0005od-FW for emacs-devel@gnu.org; Tue, 06 Dec 2005 06:44:56 -0500 Original-Received: from Relay1.suse.de (mail2.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id 3FFBF1C7BB; Tue, 6 Dec 2005 12:44:01 +0100 (CET) Original-To: Ken Raeburn X-Yow: YOU PICKED KARL MALDEN'S NOSE!! In-Reply-To: <3AFF0594-F842-4079-9A3B-D1CF7358A281@raeburn.org> (Ken Raeburn's message of "Tue, 6 Dec 2005 02:50:08 -0500") User-Agent: Gnus/5.110003 (No Gnus v0.3) Emacs/22.0.50 (gnu/linux) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:47041 Archived-At: Ken Raeburn writes: >> I'm still trying to track this down, but just for the record: If I >> build recent sources with CC=3D'gcc -DENABLE_CHECKING -=20 >> DUSE_LISP_UNION_TYPE', bootstrapping fails: > > Fixed... With these options enabled, EQ evaluates its arguments =20 > twice. I think that should be fixed. The requirement that arguments of EQ or NILP need to be side effect free is too easy to forget, since it is nowhere documented. Andreas. --=20 Andreas Schwab, SuSE Labs, schwab@suse.de SuSE Linux Products GmbH, Maxfeldstra=DFe 5, 90409 N=FCrnberg, Germany PGP key fingerprint =3D 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED= 5 "And now for something completely different."