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Add deleted std::thread(const thread&&) constructor

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PR libstdc++/78956
	* include/std/thread (thread(const thread&&)): Add deleted
	constructor.
	* testsuite/30_threads/thread/cons/lwg2097.cc: New test.

From-SVN: r244022
This commit is contained in:
Jonathan Wakely 2017-01-03 13:31:26 +00:00 • committed by Jonathan Wakely
parent f61581f7a0
commit 80efc5073d
3 changed files with 35 additions and 0 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,5 +1,10 @@
2017-01-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/78956
* include/std/thread (thread(const thread&&)): Add deleted
constructor.
* testsuite/30_threads/thread/cons/lwg2097.cc: New test.
* doc/xml/manual/spine.xml: Update copyright years.
* doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
* doc/xml/manual/test.xml: Likewise.

1
libstdc++-v3/include/std/thread
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@ -108,6 +108,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// 2097. packaged_task constructors should be constrained
thread(thread&) = delete;
thread(const thread&) = delete;
thread(const thread&&) = delete;
thread(thread&& __t) noexcept
{ swap(__t); }

29
libstdc++-v3/testsuite/30_threads/thread/cons/lwg2097.cc Normal file
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@ -0,0 +1,29 @@
// { dg-do compile { target c++11 } }
// { dg-require-cstdint "" }
// { dg-require-gthreads "" }
// Copyright (C) 2017 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <thread>
using std::thread;
using std::is_constructible;
static_assert( !is_constructible<thread, thread&>::value, "" );
static_assert( !is_constructible<thread, const thread&>::value, "" );
static_assert( !is_constructible<thread, const thread>::value, "" );