From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] master 74f54af: Use eassume (false) for branch that's never taken. Date: Fri, 19 Apr 2019 16:00:50 -0700 Organization: UCLA Computer Science Department Message-ID: <25791a2b-260e-9cee-b454-5d9f53fa33e0@cs.ucla.edu> References: <83ftqecrms.fsf@gnu.org> <83ef5ycnny.fsf@gnu.org> <9b3a1717-64de-795a-2acf-0698576caf02@cs.ucla.edu> <83zholbvnb.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="266633"; mail-complaints-to="usenet@blaine.gmane.org" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 Cc: phst@google.com, p.stephani2@gmail.com, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sat Apr 20 01:01:16 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 (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.89) (envelope-from ) id 1hHcVQ-0017DS-2t for ged-emacs-devel@m.gmane.org; Sat, 20 Apr 2019 01:01:16 +0200 Original-Received: from localhost ([127.0.0.1]:34163 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHcVL-0004tx-OU for ged-emacs-devel@m.gmane.org; Fri, 19 Apr 2019 19:01:11 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:42240) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hHcV9-0004tn-PG for emacs-devel@gnu.org; Fri, 19 Apr 2019 19:01:00 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hHcV8-0002TK-V5 for emacs-devel@gnu.org; Fri, 19 Apr 2019 19:00:59 -0400 Original-Received: from zimbra.cs.ucla.edu ([131.179.128.68]:49864) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hHcV7-0002SX-Ia; Fri, 19 Apr 2019 19:00:57 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 624161617BE; Fri, 19 Apr 2019 16:00:56 -0700 (PDT) Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id EE4HQF8DuIMP; Fri, 19 Apr 2019 16:00:55 -0700 (PDT) Original-Received: from localhost (localhost [127.0.0.1]) by zimbra.cs.ucla.edu (Postfix) with ESMTP id 6A0741617C0; Fri, 19 Apr 2019 16:00:55 -0700 (PDT) X-Virus-Scanned: amavisd-new at zimbra.cs.ucla.edu Original-Received: from zimbra.cs.ucla.edu ([127.0.0.1]) by localhost (zimbra.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id SS4oyqCnN7nD; Fri, 19 Apr 2019 16:00:55 -0700 (PDT) Original-Received: from [192.168.1.9] (cpe-23-242-74-103.socal.res.rr.com [23.242.74.103]) by zimbra.cs.ucla.edu (Postfix) with ESMTPSA id 2EEA2161722; Fri, 19 Apr 2019 16:00:55 -0700 (PDT) In-Reply-To: <83zholbvnb.fsf@gnu.org> Content-Language: en-US X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 131.179.128.68 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 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:235680 Archived-At: Eli Zaretskii wrote: > But what bothers me is what happens when the "impossible" becomes > possible, i.e. if the value is neither of the two handled explicitly. It's not possible. Really. > why have the default branch at all? It's there only to pacify GCC. It has no other function.