From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#42147: 28.0.50; pure vs side-effect-free, missing optimizations? Date: Thu, 09 Jul 2020 10:35:51 -0400 Message-ID: References: <3A9CC2A3-8307-47B2-8D80-795C0AF020E1@acm.org> <28B19D86-343C-4126-B95F-1F38735F73F2@acm.org> <1288c6a5-545b-f68c-ff6b-7683db3e54c1@cs.ucla.edu> <1690361185.4397117.1593879228865@mail.yahoo.com> <374F2E9C-E8C2-4362-8BEF-E6AA5EEE5C79@acm.org> <68F4CFD4-17BF-4ADA-B2EF-55281ACD2373@acm.org> <926674413.6042347.1594070583586@mail.yahoo.com> <475381031.6812910.1594139070322@mail.yahoo.com> <459BE59A-76CE-46A3-BE5E-B65AED0B85F5@acm.org> <4A6D5CD1-031E-4DF8-9FE5-365DF17E14CA@acm.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="35613"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Cc: Mattias =?UTF-8?Q?Engdeg=C3=A5rd?= , Paul Eggert , Andrea Corallo , 42147-done@debbugs.gnu.org To: Andrea Corallo Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Jul 09 16:37:12 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jtXfi-00098g-Dn for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 09 Jul 2020 16:37:10 +0200 Original-Received: from localhost ([::1]:50152 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jtXfh-0001rN-BC for geb-bug-gnu-emacs@m.gmane-mx.org; Thu, 09 Jul 2020 10:37:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34078) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jtXfa-0001qr-M6 for bug-gnu-emacs@gnu.org; Thu, 09 Jul 2020 10:37:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:58141) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jtXfa-0003UK-CI for bug-gnu-emacs@gnu.org; Thu, 09 Jul 2020 10:37:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jtXfa-0003J7-7O for bug-gnu-emacs@gnu.org; Thu, 09 Jul 2020 10:37:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Monnier Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 09 Jul 2020 14:37:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 42147 X-GNU-PR-Package: emacs Original-Received: via spool by 42147-done@debbugs.gnu.org id=D42147.159430536312648 (code D ref 42147); Thu, 09 Jul 2020 14:37:02 +0000 Original-Received: (at 42147-done) by debbugs.gnu.org; 9 Jul 2020 14:36:03 +0000 Original-Received: from localhost ([127.0.0.1]:41454 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jtXed-0003Hw-CY for submit@debbugs.gnu.org; Thu, 09 Jul 2020 10:36:03 -0400 Original-Received: from mailscanner.iro.umontreal.ca ([132.204.25.50]:41137) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jtXeZ-0003HQ-LM for 42147-done@debbugs.gnu.org; Thu, 09 Jul 2020 10:36:02 -0400 Original-Received: from pmg1.iro.umontreal.ca (localhost.localdomain [127.0.0.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 1E9F1100ED1; Thu, 9 Jul 2020 10:35:54 -0400 (EDT) Original-Received: from mail01.iro.umontreal.ca (unknown [172.31.2.1]) by pmg1.iro.umontreal.ca (Proxmox) with ESMTP id 7EC07100659; Thu, 9 Jul 2020 10:35:52 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=iro.umontreal.ca; s=mail; t=1594305352; bh=dyGHvguT3i3uh/77gVTs8GNSwOe346cNFxNJauSf57s=; h=From:To:Cc:Subject:References:Date:In-Reply-To:From; b=f41JHbYoOzJ9AGIEeDy6m+Evno2XR9/7l3U6i7tXH0P3dh3QUeK7wuNXqXQIqKIPq 4B8vcrdUvWkmXRl4qeUAozE5tRCY68VgOVktQ1UtXixn43Vw8HkiJN2NVWOUwM55wd H8yEHLcqonr+MHIt+KEwCZdHCWT5UYyq/t7g3wYTV7oAUmkYeVt4/r1vmdUEPXkh9f fq8PfZOJKSh2KHdM2tQPgRl7WbX2xtubXaN9M24bBIskCmD+q7+myEaLYZo0l99f+D 9vV5anM9cq1PDnKkJRLpa342pjhnmpNPzSmb5qZ5wQ6N41slg1mgXISYGuu+UC70DV CZD7+86j5R/wQ== Original-Received: from alfajor (unknown [157.52.0.200]) by mail01.iro.umontreal.ca (Postfix) with ESMTPSA id 0E49712085F; Thu, 9 Jul 2020 10:35:52 -0400 (EDT) In-Reply-To: (Andrea Corallo's message of "Thu, 09 Jul 2020 12:57:15 +0000") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:182864 Archived-At: > What's your suggestion on this optimization? Do you think can be on with > default settings or is it dangerous? AFAICT it's been on since Emacs-21, which seems to argue for "not too dangerous". Stefan