From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: "simplifications" Date: Mon, 19 Nov 2007 10:58:12 -0500 Message-ID: References: <86ejem1pig.fsf@lola.quinscape.zz> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1195487935 20635 80.91.229.12 (19 Nov 2007 15:58:55 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 19 Nov 2007 15:58:55 +0000 (UTC) Cc: emacs-devel@gnu.org To: "Juanma Barranquero" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Nov 19 16:59:01 2007 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.50) id 1Iu91Q-00087P-BQ for ged-emacs-devel@m.gmane.org; Mon, 19 Nov 2007 16:58:52 +0100 Original-Received: from localhost ([127.0.0.1] helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Iu91C-0006Xu-UT for ged-emacs-devel@m.gmane.org; Mon, 19 Nov 2007 10:58:38 -0500 Original-Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Iu90q-0006L8-MH for emacs-devel@gnu.org; Mon, 19 Nov 2007 10:58:16 -0500 Original-Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Iu90o-0006KM-A8 for emacs-devel@gnu.org; Mon, 19 Nov 2007 10:58:15 -0500 Original-Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Iu90o-0006KJ-3r for emacs-devel@gnu.org; Mon, 19 Nov 2007 10:58:14 -0500 Original-Received: from tomts40.bellnexxia.net ([209.226.175.97] helo=tomts40-srv.bellnexxia.net) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Iu90n-0003tJ-Lj for emacs-devel@gnu.org; Mon, 19 Nov 2007 10:58:13 -0500 Original-Received: from ceviche.home ([70.55.147.211]) by tomts40-srv.bellnexxia.net (InterMail vM.5.01.06.13 201-253-122-130-113-20050324) with ESMTP id <20071119155812.OQUF1617.tomts40-srv.bellnexxia.net@ceviche.home> for ; Mon, 19 Nov 2007 10:58:12 -0500 Original-Received: by ceviche.home (Postfix, from userid 20848) id 5F7D7B42DA; Mon, 19 Nov 2007 10:58:11 -0500 (EST) In-Reply-To: (Juanma Barranquero's message of "Mon, 19 Nov 2007 16:47:58 +0100") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.50 (gnu/linux) X-detected-kernel: by monty-python.gnu.org: Solaris 8 (1) 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:83661 Archived-At: >> Well, my optimization is not specific to defsubst, so it will also >> remove the let-binding in: >> >> (let ((debug-on-error t)) >> (car (car (cdr x)))) > Why? There can be no dynamic bindings under that optimization? Of course, there can, but it knows about primitives that don't use any dynamically bound variables. Oh well... except for those funny ones like debug-on-error which are used virtually everywhere. Stefan