220 14926 <7e244f46-18cf-4ea0-8a6a-02473fd849e9@isocpp.org> article Path: news.gmane.org!not-for-mail From: sasho648 Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Earlier creation of function return-value. Date: Tue, 9 Dec 2014 14:50:44 -0800 (PST) Lines: 37 Approved: news@gmane.org Message-ID: <7e244f46-18cf-4ea0-8a6a-02473fd849e9@isocpp.org> References: <3c0ee2e3-8706-44b0-a3d2-985e494dd8ac@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_2382_84056808.1418165444886" X-Trace: ger.gmane.org 1418165453 27527 80.91.229.3 (9 Dec 2014 22:50:53 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 9 Dec 2014 22:50:53 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBDBNZXHN2QPRBRPZTWSAKGQERIUHIEY@isocpp.org Tue Dec 09 23:50:47 2014 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-ob0-f199.google.com ([209.85.214.199]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XyTcE-000899-Fs for gclcip-std-proposals@m.gmane.org; Tue, 09 Dec 2014 23:50:46 +0100 Original-Received: by mail-ob0-f199.google.com with SMTP id wp4sf7550500obc.2 for ; Tue, 09 Dec 2014 14:50:45 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:date:from:to:message-id:in-reply-to:references :subject:mime-version:content-type:x-original-sender:reply-to :precedence:mailing-list:list-id:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=8pjKBxaQi9DuJfOgnEAOeLCjxvHf9O5KzTnM47masGM=; b=TuSQQKo5pMXmgzfBZzIpG5gAARgbAuixAKB0JoRjyxvt4iDoNq71EurtpDVNAl6p2V OvIl6Gx8sFmSzaff4UhK2gdl+SFcNBcVOuhSOZG+U9rDXy9FDYOLwhhOp8IJwNQhczlq qLcu/c8+JH7qn0DR28YyckspppSrZHJ1i7aNRQy5OkYXYhAabWNqVV2bocbZe7nnwGBz 6JHcqYjhZAljPu3FS4yVy8wTgZnfDdRctkTDWoLPCDc2CkYwqkG341AtFWkdCvtEJheW ls3iI5Q+7gqzx4cKuH9VE+Gp2aDeetPceFNTlQWq41Sv7IqA7a3peEBVTOXmrM5HQsIq FTmg== X-Gm-Message-State: ALoCoQletwMQDWnOoB6zDlCrw3o6jRpqXBvzvR48gNAWM5liQXJmNPIDxB/QDbslG9blRDyoBAu9 X-Received: by 10.182.33.135 with SMTP id r7mr861506obi.17.1418165445783; Tue, 09 Dec 2014 14:50:45 -0800 (PST) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.140.100.167 with SMTP id s36ls410293qge.9.gmail; Tue, 09 Dec 2014 14:50:45 -0800 (PST) X-Received: by 10.140.96.85 with SMTP id j79mr13417qge.2.1418165445239; Tue, 09 Dec 2014 14:50:45 -0800 (PST) In-Reply-To: <3c0ee2e3-8706-44b0-a3d2-985e494dd8ac@isocpp.org> X-Original-Sender: sasho648@mail.bg 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:14926 Archived-At: ------=_Part_2382_84056808.1418165444886 Content-Type: multipart/alternative; boundary="----=_Part_2383_1846015977.1418165444886" ------=_Part_2383_1846015977.1418165444886 Content-Type: text/plain; charset=UTF-8 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. -- --- 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/. ------=_Part_2383_1846015977.1418165444886 Content-Type: text/html; charset=UTF-8
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.

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