220 31859 article Path: news.gmane.org!.POSTED!not-for-mail From: Alberto Barbati Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: This variable should not be named: an identifier (not) to remember Date: Tue, 28 Mar 2017 22:53:18 +0200 Lines: 63 Approved: news@gmane.org Message-ID: References: <985b9b2a-c734-45eb-95f4-db4dc0d309a1@isocpp.org> <8028901.3vRB6vfJZY@tjmaciei-mobl1> <22600974.uQoRWN8BZc@tjmaciei-mobl1> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 (1.0) Content-Type: multipart/alternative; boundary=Apple-Mail-E3D219A5-D38B-487F-9427-41041FDF0471 Content-Transfer-Encoding: 7bit X-Trace: blaine.gmane.org 1490734403 13130 195.159.176.226 (28 Mar 2017 20:53:23 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 28 Mar 2017 20:53:23 +0000 (UTC) To: std-proposals@isocpp.org Original-X-From: std-proposals+bncBCPY5DV6RIMBBQE25PDAKGQET5OCHRI@isocpp.org Tue Mar 28 22:53:19 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-lf0-f72.google.com ([209.85.215.72]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1csy79-0002ZP-Bt for gclcip-std-proposals@m.gmane.org; Tue, 28 Mar 2017 22:53:15 +0200 Original-Received: by mail-lf0-f72.google.com with SMTP id 76sf35397651lft.18 for ; Tue, 28 Mar 2017 13:53:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=from:content-transfer-encoding:mime-version:date:subject:message-id :references:in-reply-to:to:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=82AJz17jArLTvte6sVymqEqbknwPZeKj1Sps1VUUq5Y=; b=Va7qA/oektaNdRdvP7sZhUKhHfkhyBpDNR+gXz3uR+h6d5GmI4QtFA4NrUXrrO0wEw yZ4jST8W3aWemPCYhXC6jA+lIKPQ9usK0iDtWbH2WIWcDez7N2uQJr8kfkFKFIBgJx9m HNNHDjb/SAYMwampiyqrftQ5F3qoi48zgFzsCWEN2ncRO/dQdDzOrUWhRW7jlc26zezR SSX/VkcGXQ7kiqBT0tgFvtg9f3K6DcbyH3mQ7pAwhrMS7znjdxYYfWoOhftmfD+9GjxF c9AJnb9VAXqWKDxN3sCx26zTLa4204skDZoCiIKAPuF8okLaaCIL25hYPGIL5khf4l0y k+ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version:date :subject:message-id:references:in-reply-to:to:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-spam-checked-in-group:list-post:list-help:list-archive :list-subscribe:list-unsubscribe; bh=82AJz17jArLTvte6sVymqEqbknwPZeKj1Sps1VUUq5Y=; b=ONqHow446gT/1TSiDalh/2UnbzQujaR+kkrhh0vtSx3phHP7TaLcfCdQp2ZE1S1aCx 4BWthJtaImxK6F6nABHeN9W+DZasJ78nc7vVN8yKmf1ZgRJTNrsFHM31RcwLKeNShiEt GqMKtcX7PSe5rgkdUYyaB8hLWy5pvxHg45i5zA4FXM0R+BzzExMorNTh6yzUCuoswog1 I+FGJHFhgZU1FSizkBTlsGwmhYb0iSY8Z0tTfesUXQlEUeUQPPnBdQ7A+fBCvLfGx5AH 18fbs2sNOQdCDwWR0nEhO4742eH+3bJ+dsH3C5c9DZ2GNgvN0RsYfYKOKzNYDsQlFATK Var X-Gm-Message-State: AFeK/H1WTzv2q+ou33z8apk9b+D3NVlsmHqN55hMRDPl5Luk2jkdtLWAVfonJE+UPLmmOQ== X-Received: by 10.25.72.71 with SMTP id v68mr4065131lfa.9.1490734401722; Tue, 28 Mar 2017 13:53:21 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.28.194.9 with SMTP id s9ls1685505wmf.2.gmail; Tue, 28 Mar 2017 13:53:20 -0700 (PDT) X-Received: by 10.28.128.147 with SMTP id b141mr16117154wmd.45.1490734400487; Tue, 28 Mar 2017 13:53:20 -0700 (PDT) Original-Received: from mail-wr0-x22b.google.com (mail-wr0-x22b.google.com. [2a00:1450:400c:c0c::22b]) by mx.google.com with ESMTPS id w75si4598437wmd.74.2017.03.28.13.53.20 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Mar 2017 13:53:20 -0700 (PDT) Received-SPF: pass (google.com: domain of albertobarbati@gmail.com designates 2a00:1450:400c:c0c::22b as permitted sender) client-ip=2a00:1450:400c:c0c::22b; Original-Received: by mail-wr0-x22b.google.com with SMTP id l43so114604143wre.1 for ; Tue, 28 Mar 2017 13:53:20 -0700 (PDT) X-Received: by 10.223.177.195 with SMTP id r3mr7468497wra.40.1490734399900; Tue, 28 Mar 2017 13:53:19 -0700 (PDT) Original-Received: from [192.168.178.44] ([151.20.212.10]) by smtp.gmail.com with ESMTPSA id g78sm6319563wrd.11.2017.03.28.13.53.18 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Mar 2017 13:53:19 -0700 (PDT) In-Reply-To: X-Mailer: iPad Mail (14D27) X-Original-Sender: AlbertoBarbati@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of albertobarbati@gmail.com designates 2a00:1450:400c:c0c::22b as permitted sender) smtp.mailfrom=albertobarbati@gmail.com; dmarc=pass (p=NONE sp=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:31859 Archived-At: --Apple-Mail-E3D219A5-D38B-487F-9427-41041FDF0471 Content-Type: text/plain; charset=UTF-8 > Il giorno 28 mar 2017, alle ore 19:41, Viacheslav Usov ha scritto: > > On Tue, Mar 28, 2017 at 7:29 PM, Thiago Macieira wrote: > > > As proposed by the OP: exactly as that declaration would do today > > Which is UB. > Care to explain? I can't see UB there. Cheers, Alberto -- 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. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/B4A84172-03BB-4273-A2B7-9977A9630520%40gmail.com. --Apple-Mail-E3D219A5-D38B-487F-9427-41041FDF0471 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


Il g= iorno 28 mar 2017, alle ore 19:41, Viacheslav Usov <via.usov@gmail.com> ha scritto:

On Tue, Mar 28, 2017 at 7:29 PM, Thiago Macieira <= thiago@macieira.org> wrote:

> As pr= oposed by the OP: exactly as that declaration would do today

=
Which is UB.


Care to explain? I can't see UB there.

Cheers,

Alberto

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