From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-help-return-48009-listarch-gcc-help=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 17558 invoked by alias); 2 Nov 2011 10:03:19 -0000
Received: (qmail 17517 invoked by uid 22791); 2 Nov 2011 10:03:17 -0000
X-SWARE-Spam-Status: No, hits=-2.4 required=5.0	tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW
X-Spam-Check-By: sourceware.org
Received: from mail-ww0-f51.google.com (HELO mail-ww0-f51.google.com) (74.125.82.51)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Wed, 02 Nov 2011 10:03:03 +0000
Received: by wwf27 with SMTP id 27so3756418wwf.8        for <gcc-help@gcc.gnu.org>; Wed, 02 Nov 2011 03:03:02 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.216.229.30 with SMTP id g30mr17927weq.51.1320228182106; Wed, 02 Nov 2011 03:03:02 -0700 (PDT)
Received: by 10.216.90.19 with HTTP; Wed, 2 Nov 2011 03:03:02 -0700 (PDT)
In-Reply-To: <CAH6eHdSWv2gC6o52w9QMohScGO1-meHs30xTKmz-obBDHvewYA@mail.gmail.com>
References: <m3vcr4f6y3.fsf@black.gullik.net>	<CAH6eHdSUmj8fc3WErMwizyOgQYY1aimHViT=XXrnnV87kjA5Hg@mail.gmail.com>	<CAH6eHdTt_fQk=gMvRMUBhmoYnie11BVtk2Bsk2qgtudJbCX=dw@mail.gmail.com>	<CAOYg4AwVi8VO0uUL3ypYywUNLNr6YeRm0A4MxSACatGk5jpsUg@mail.gmail.com>	<CAH6eHdRXR8n5dfRdhE9d+tztQyGgKHWRCXOx5rwwD0frt4oBgg@mail.gmail.com>	<CAOYg4Ay9tuDWQEZt1zK33271akQ+jsKYxfYrNZBb690SWxkwhA@mail.gmail.com>	<CAH6eHdSWv2gC6o52w9QMohScGO1-meHs30xTKmz-obBDHvewYA@mail.gmail.com>
Date: Wed, 02 Nov 2011 10:03:00 -0000
Message-ID: <CAH6eHdQF=B3tGopPjVgDc1q8xeCvaHsWn+LO44XtwF5jLUQV+A@mail.gmail.com>
Subject: Re: std::packaged_task trunk problem
From: Jonathan Wakely <jwakely.gcc@gmail.com>
To: =?ISO-8859-1?Q?Lars_Gullik_Bj=F8nnes?= <larsbj@gullik.org>
Cc: gcc-help@gcc.gnu.org
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable
X-IsSubscribed: yes
Mailing-List: contact gcc-help-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-help.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-help/>
List-Post: <mailto:gcc-help@gcc.gnu.org>
List-Help: <mailto:gcc-help-help@gcc.gnu.org>
Sender: gcc-help-owner@gcc.gnu.org
X-SW-Source: 2011-11/txt/msg00015.txt.bz2

On 2 November 2011 09:06, Jonathan Wakely wrote:
> On 2 November 2011 02:01, Lars Gullik Bj=F8nnes wrote:
>>
>> Now of to next problem on how to store a std::packaged_task in a contain=
er.
>
> That should work because packaged_task is nothrow move constructible,
> but it looks as though there may be a problem with the
> _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR code ... I'd better look into
> that too.
>

is_nothrow_move_constructible<packaged_task<T>>::value is false,
because packaged_task's destructor is not noexcept.  I'm not sure yet
if that's correct or not...