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.devel Subject: Re: Towards a cleaner build Date: Mon, 10 Jun 2019 10:44:54 +0200 Message-ID: References: <83zhn6zkgf.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="262811"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jun 10 10:46:32 2019 Return-path: Envelope-to: ged-emacs-devel@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 1haFwl-0016Et-1H for ged-emacs-devel@m.gmane.org; Mon, 10 Jun 2019 10:46:31 +0200 Original-Received: from localhost ([::1]:42462 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1haFwj-0003Ht-4t for ged-emacs-devel@m.gmane.org; Mon, 10 Jun 2019 04:46:29 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:60741) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1haFvL-0003Hm-Qw for emacs-devel@gnu.org; Mon, 10 Jun 2019 04:45:05 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1haFvJ-0003G3-SH for emacs-devel@gnu.org; Mon, 10 Jun 2019 04:45:03 -0400 Original-Received: from quimby.gnus.org ([80.91.231.51]:51044) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1haFvH-0003Cm-Tz for emacs-devel@gnu.org; Mon, 10 Jun 2019 04:45:01 -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 1haFvC-0004Ur-SA; Mon, 10 Jun 2019 10:44:57 +0200 Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAFVBMVEVKJyH28OeRaU/htV6+ mHJ1RDEpDQ6P5hteAAACWElEQVQ4jXXUzZLiIBAAYEwJ541h9xwRPI+GuSeEeEakPbPW2O//CNtB V2ecmj5YymdD88vqH4K9/PZG+Smuv4FULTMtSzM03TN2E2bGIquGF9iL7GvnQl6/wISXucOVSN8y PspIYvkDnC/Pqqz3Q93jZSiQ13eQLaOonLgoXU9csDtIwYCCsVyF7AVucVFAMh712DkTcNGm2lU9 /i0QuLIOQI8tHksPh1tGzyOlZ8S8xbmqgWDOkHluR86QIlNVgzwXOHBN7R/KtRgwU1Hr1Q1yPNBf K2vfzkygrqV3YoZfV41zgnauZ4Fpr6Pj8+Db2APi0lNLX01THJxuFzPkJDzipbNd97ZUK7Wm6VZi wX5TTxsm8ryG26S8BN9TcUd25j3WISAtFcek54WkKRGE2GMDAUvQIaipJF4ghdxBEBlp8utyTljc FmBsjC0CsjvQCXJ8XWADIXORxRXiO2MTp+NSz8D1BNfgD/hhTuYLKAvXpV/hUnkTvsBIm+1lf0ke PgMo2rqrl4FBVAAP4AQtZmgZxqjMEwCMoenOexVjBPOE0Kq2TFwkVVVPUCGos5hTMjdVpZ7QAs2u ZGSAyr3/B92GIPgZ8SpYxdMTFFUbOK0vDzS6esBJaWMCGERleDw5/8jw3hkTJ5GTiXH09r0qt5bG cN5MaQJIU9LjuH8AZdDRcRC12rixe2Sc7Gid1RbAqm5Dh+UBne90t9kDjI6+foZbKF1uOnWV7vD6 iuxvsE1N03TWeil3u0buhp1ZFvhzkVJ6CuvtfHOHIRxvr49ualnXzacHqHz+AzqO2Ot31DT6AAAA AElFTkSuQmCC In-Reply-To: (Stefan Monnier's message of "Sun, 09 Jun 2019 19:01:04 -0400") X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 80.91.231.51 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:237390 Archived-At: Stefan Monnier writes: > There is no special construct: > `(ignore X Y Z)` is a normal function call, hence a use of X, Y, and Z. > It also happens that `ignore` is later optimized away so it usually has > no runtime cost (but that's only true when the code is compiled). Oooh. Huh. Isn't that... a bug? :-) I mean -- the reference to the variable isn't in the compiled code, so shouldn't the analysis catch that and still warn about the variable? -- (domestic pets only, the antidote for overdose, milk.) bloggy blog: http://lars.ingebrigtsen.no