From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.bugs Subject: bug#26597: 25.1; Compilation error on master with --enable-check-lisp-object-type Date: Mon, 01 May 2017 08:20:26 -0400 Message-ID: References: <83mvb8riq0.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1493643670 9085 195.159.176.226 (1 May 2017 13:01:10 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Mon, 1 May 2017 13:01:10 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux) To: 26597@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Mon May 01 15:01:05 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d5Awr-0002Eb-O9 for geb-bug-gnu-emacs@m.gmane.org; Mon, 01 May 2017 15:01:05 +0200 Original-Received: from localhost ([::1]:54267 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d5Awx-0006ZE-Jl for geb-bug-gnu-emacs@m.gmane.org; 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Mon, 01 May 2017 09:00:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d5Aw1-0000VP-JW for bug-gnu-emacs@gnu.org; Mon, 01 May 2017 09:00:16 -0400 Original-Received: from [195.159.176.226] (port=38434 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1d5Aw1-0000TK-DA for bug-gnu-emacs@gnu.org; Mon, 01 May 2017 09:00:13 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1d5Avr-00017O-EB for bug-gnu-emacs@gnu.org; Mon, 01 May 2017 15:00:03 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 9 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:2mpLNSuXlNlB0yi2ll7qOsnwDGo= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:132158 Archived-At: > Replacing a primitive value with a struct containing such a value > should never degrade performance; that would be a compiler bug. FWIW, No, compilers do not guarantee that semantically-equivalent programs will be compiled to code with equivalent performance, so it wouldn't be a bug. It's only a "quality of implementation" issue. Stefan