From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Benchmarking temporary Lisp objects [Was: Re: [RFC] temporary Lisp_Strings] Date: Wed, 03 Sep 2014 11:00:18 -0700 Organization: UCLA Computer Science Department Message-ID: <54075732.5010009@cs.ucla.edu> References: <5405BE5D.1090003@yandex.ru> <5405DE8B.4050201@yandex.ru> <5406EC21.4060200@yandex.ru> <5407281C.3090302@cs.ucla.edu> <54073621.2040403@yandex.ru> <540744F5.2010804@cs.ucla.edu> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1409767269 27372 80.91.229.3 (3 Sep 2014 18:01:09 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Wed, 3 Sep 2014 18:01:09 +0000 (UTC) Cc: Dmitry Antipov , Emacs development discussions To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Wed Sep 03 20:01:02 2014 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XPErc-00083h-VR for ged-emacs-devel@m.gmane.org; Wed, 03 Sep 2014 20:01:01 +0200 Original-Received: from localhost ([::1]:46977 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPErc-0005hw-Lk for ged-emacs-devel@m.gmane.org; Wed, 03 Sep 2014 14:01:00 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38371) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPErG-0005XH-KT for emacs-devel@gnu.org; Wed, 03 Sep 2014 14:00:46 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XPEr7-00064g-SJ for emacs-devel@gnu.org; Wed, 03 Sep 2014 14:00:38 -0400 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:49783) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XPEr7-00064U-MG for emacs-devel@gnu.org; Wed, 03 Sep 2014 14:00:29 -0400 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id F319339E8016; Wed, 3 Sep 2014 11:00:27 -0700 (PDT) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id gWLE1vb9bJn3; Wed, 3 Sep 2014 11:00:19 -0700 (PDT) Original-Received: from [192.168.1.9] (pool-71-177-17-123.lsanca.dsl-w.verizon.net [71.177.17.123]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 5E4E7A60006; Wed, 3 Sep 2014 11:00:19 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 In-Reply-To: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 131.179.128.62 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:173996 Archived-At: Stefan Monnier wrote: > Is (2) actually valid? I mean, are we allowed to refer (via > a reference) to a variable that's in a block we already exited? You're right of course: (2) won't work. Thanks for catching that. (3) is better these days anyway, I expect, as it relies only on C99 features and we're already assuming C99 in the trunk.