220 14927 article Path: news.gmane.org!not-for-mail From: Ville Voutilainen Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: Earlier creation of function return-value. Date: Wed, 10 Dec 2014 00:53:59 +0200 Lines: 16 Approved: news@gmane.org Message-ID: References: <3c0ee2e3-8706-44b0-a3d2-985e494dd8ac@isocpp.org> <7e244f46-18cf-4ea0-8a6a-02473fd849e9@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: ger.gmane.org 1418165648 30754 80.91.229.3 (9 Dec 2014 22:54:08 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 9 Dec 2014 22:54:08 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBC5JHI7A7ALRBB73TWSAKGQE5GMWMTY@isocpp.org Tue Dec 09 23:54:01 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pa0-f69.google.com ([209.85.220.69]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XyTfN-0001O4-3U for gclcip-std-proposals@m.gmane.org; Tue, 09 Dec 2014 23:54:01 +0100 Original-Received: by mail-pa0-f69.google.com with SMTP id et14sf8713954pad.8 for ; Tue, 09 Dec 2014 14:54:00 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:content-type:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:list-post:list-help:list-archive:list-subscribe :list-unsubscribe; bh=0FhF1rfvZ77aZ/F051hb6vVoEpBAQLhdDvwJVwMkbyc=; b=AwhFRiB6ajmwuMCMYq8SVPX8gfotn+7LlaiB++eywJr5V+ogY75YJe2yyL/9LPXswl xII3f283MP5FMSm5IVjFDIhgbPcK02YJ5gaFmHXsalZFOEP8T+Cfvdk5Ni9bv93sZQfr H4y8JJU4AXpBv4HKZWvsA1DZ2qaBslZTTosl/JwZ/COLo4JtQfEfS+qs5N65NaBSbFCN QXSA4EBl2Jn+ovDhgmOrD6I9dHomlYRLMcKlE2Gg0gJOvaXRijbTutR6M2eiKJVrnYJj 22hOLdfYSinNZKVTDBjdEk5fluTnuUUdbt4wPHDU0iyiO/6qd5UO3G34VpdzzwF9lIdh uBEA== X-Gm-Message-State: ALoCoQlTIBOnvsC4BljJOIsmoQXRF/l052O48NhWQzvmiFnHArSRQsGCjkQF3yhF9hlFR8zSFUJ/ X-Received: by 10.66.65.138 with SMTP id x10mr941684pas.6.1418165640375; Tue, 09 Dec 2014 14:54:00 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.182.60.136 with SMTP id h8ls134453obr.16.gmail; Tue, 09 Dec 2014 14:53:59 -0800 (PST) X-Received: by 10.202.108.14 with SMTP id h14mr523146oic.3.1418165639652; Tue, 09 Dec 2014 14:53:59 -0800 (PST) Original-Received: from mail-ob0-x22a.google.com (mail-ob0-x22a.google.com. [2607:f8b0:4003:c01::22a]) by mx.google.com with ESMTPS id ny8si1778686oeb.23.2014.12.09.14.53.59 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 09 Dec 2014 14:53:59 -0800 (PST) Received-SPF: pass (google.com: domain of ville.voutilainen@gmail.com designates 2607:f8b0:4003:c01::22a as permitted sender) client-ip=2607:f8b0:4003:c01::22a; Original-Received: by mail-ob0-f170.google.com with SMTP id wp18so1329590obc.1 for ; Tue, 09 Dec 2014 14:53:59 -0800 (PST) X-Received: by 10.202.132.1 with SMTP id g1mr438033oid.127.1418165639527; Tue, 09 Dec 2014 14:53:59 -0800 (PST) Original-Received: by 10.76.154.2 with HTTP; Tue, 9 Dec 2014 14:53:59 -0800 (PST) In-Reply-To: <7e244f46-18cf-4ea0-8a6a-02473fd849e9@isocpp.org> X-Original-Sender: ville.voutilainen@gmail.com X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of ville.voutilainen@gmail.com designates 2607:f8b0:4003:c01::22a as permitted sender) smtp.mail=ville.voutilainen@gmail.com; dkim=pass header.i=@gmail.com; dmarc=pass (p=NONE dis=NONE) header.from=gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:14927 Archived-At: On 10 December 2014 at 00:50, sasho648 wrote: > Also don't you believe that this 'RVO' can create an unexpected behavior in > some cases. Maybe there are programs which rely on return-values to be > copied n-times, instead of being optimized. Such programs are already broken. -- --- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. Visit this group at http://groups.google.com/a/isocpp.org/group/std-proposals/. .