220 31861 article Path: news.gmane.org!.POSTED!not-for-mail From: Viacheslav Usov 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 23:09:29 +0200 Lines: 57 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 Content-Type: multipart/alternative; boundary=94eb2c05c8203530bb054bd0e021 X-Trace: blaine.gmane.org 1490735370 12618 195.159.176.226 (28 Mar 2017 21:09:30 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 28 Mar 2017 21:09:30 +0000 (UTC) To: "ISO C++ Standard - Future Proposals" Original-X-From: std-proposals+bncBDU6VRPKW4BBBC5C5PDAKGQEJPBN6SA@isocpp.org Tue Mar 28 23:09:26 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-it0-f72.google.com ([209.85.214.72]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1csyMn-0002sj-UA for gclcip-std-proposals@m.gmane.org; Tue, 28 Mar 2017 23:09:26 +0200 Original-Received: by mail-it0-f72.google.com with SMTP id h186sf1125873ith.10 for ; Tue, 28 Mar 2017 14:09:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:from:date:message-id:subject: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=HtXuHhJDWVVZA76vUv7GJM6dDlpsDIhL5waNvK1N8j8=; b=euNHKLxnSD2LXt71Vk0UCkdQGuRDxKyv4w+9MUEF6dbcXU4xWLBu7Ipe/2lmLiL8dD KNLdG3wludBOSIOyXt0lBKiGDWrn3WAA/Q2uOTAY5TayiljDBXBTkscmmBkbardKp77S Fqcu7Oxhi4Q2d8gmCxZxVZUeQWxBWN7Qlak5/ahq17v+flrBLQ71pgMZqoF0VuGePmM7 9uWb80hgWOd/NObb7Td98bOnYe7H1B/jvEjbcOSwl7sQKTuj4FQ04rZDY1X9TZs+j75C T4e0fBZqNYhCAD5GFSDNEwZpLg+BvIDH2h4mPFvHS/u1CjjFb1+C8RRvK7F5JQec2ogG N3Zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject: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=HtXuHhJDWVVZA76vUv7GJM6dDlpsDIhL5waNvK1N8j8=; b=XWQNKKZb0qfRJn2D7QCEIJEHmTD04mJkV+Ox9mUKcRFpXu7+C9PUumLS8GebyBOMTy oBUiIKHBZsx0WEeJdiXQVouJhZK8OKBxgwWCR4EGZAEn2x4k+26/jnNhqQElg7ZRmrGa su8lAmuu15YvFTj/J2DCzHFf6S1B4urpPtvJtJKMg1vF75avbBKec/98+O+gIQPxcyEc Xeoh5gMhzBLHKe348NeI3SJWtnFrLawfLOwZWVetOuZgdqHB6dv4bVPHHb69qeNiWnTw OTSqGxgIZtCeRKhbg7dJLvLyv5EUUnWEeep5VL602RYsYgmVBuEIY2Dy+Heqm7YpXiUC 8xqg== X-Gm-Message-State: AFeK/H0Quj6gbOlZQjNGG/aotkeKXuUat9E0cxs+9ej5AOQ7kuYscB3MXiL/qJuLzTGjTQ== X-Received: by 10.36.83.14 with SMTP id n14mr4702894itb.30.1490735371798; Tue, 28 Mar 2017 14:09:31 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.157.89.216 with SMTP id u24ls1184845otg.40.gmail; Tue, 28 Mar 2017 14:09:30 -0700 (PDT) X-Received: by 10.55.110.129 with SMTP id j123mr5755910qkc.309.1490735370830; Tue, 28 Mar 2017 14:09:30 -0700 (PDT) Original-Received: from mail-qk0-x232.google.com (mail-qk0-x232.google.com. [2607:f8b0:400d:c09::232]) by mx.google.com with ESMTPS id 65si4435399qte.303.2017.03.28.14.09.30 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Mar 2017 14:09:30 -0700 (PDT) Received-SPF: pass (google.com: domain of via.usov@gmail.com designates 2607:f8b0:400d:c09::232 as permitted sender) client-ip=2607:f8b0:400d:c09::232; Original-Received: by mail-qk0-x232.google.com with SMTP id d10so71341274qke.1 for ; Tue, 28 Mar 2017 14:09:30 -0700 (PDT) X-Received: by 10.55.101.80 with SMTP id z77mr17312609qkb.44.1490735370412; Tue, 28 Mar 2017 14:09:30 -0700 (PDT) Original-Received: by 10.12.157.78 with HTTP; Tue, 28 Mar 2017 14:09:29 -0700 (PDT) In-Reply-To: X-Original-Sender: via.usov@gmail.com X-Original-Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com; spf=pass (google.com: domain of via.usov@gmail.com designates 2607:f8b0:400d:c09::232 as permitted sender) smtp.mailfrom=via.usov@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:31861 Archived-At: --94eb2c05c8203530bb054bd0e021 Content-Type: text/plain; charset=UTF-8 On Tue, Mar 28, 2017 at 10:53 PM, Alberto Barbati wrote: > Care to explain? I can't see UB there. [lex.name]/3 "In addition, some identifiers are reserved for use by C++ implementations and shall not be used otherwise; no diagnostic is required." No behavior is imposed by the International Standard, hence [defns.undefined] applies. Cheers, V. -- 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/CAA7YVg2HDNtBfRsCgXCw0zd3DpedRRSQcTwHh7jU-w2w8B8FcQ%40mail.gmail.com. --94eb2c05c8203530bb054bd0e021 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
On T= ue, Mar 28, 2017 at 10:53 PM, Alberto Barbati <albertobarbati@gmail= ..com> wrote:

> Care to explain? I c= an't see UB there.

[lex.name]/3 "In addition, some identifiers are reserved for use = by C++ implementations and shall not be used otherwise; no diagnostic is required."

No=C2=A0behavior = is imposed by the International Standard, hence [defns.undefined] applies.<= /div>

Cheers,
V.

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