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PR libstdc++/87278 restore support for std::make_shared<volatile T>() 

PR libstdc++/87278
	* include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
	remove_const.
	* testsuite/20_util/shared_ptr/creation/87278.cc: New test.

From-SVN: r264207
This commit is contained in:
Jonathan Wakely 2018-09-11 12:50:39 +01:00 committed by Jonathan Wakely
parent 86fc6ec9f3
commit 9e2d426c17
3 changed files with 32 additions and 1 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,5 +1,10 @@
2018-09-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/87278
* include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
remove_const.
* testsuite/20_util/shared_ptr/creation/87278.cc: New test.
Implement LWG 2905 changes to constrain unique_ptr constructors
* include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
check deleter type.

2
libstdc++-v3/include/bits/shared_ptr.h
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@ -714,7 +714,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
inline shared_ptr<_Tp>
make_shared(_Args&&... __args)
{
typedef typename std::remove_const<_Tp>::type _Tp_nc;
typedef typename std::remove_cv<_Tp>::type _Tp_nc;
return std::allocate_shared<_Tp>(std::allocator<_Tp_nc>(),
std::forward<_Args>(__args)...);
}

26
libstdc++-v3/testsuite/20_util/shared_ptr/creation/87278.cc Normal file
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@ -0,0 +1,26 @@
// Copyright (C) 2018 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/>.
// { dg-do compile { target c++11 } }
#include <memory>
void
test01()
{
std::make_shared<volatile int>();
}