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re PR libstdc++/65279 (std::scoped_allocator_adaptor is not assignable)

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PR libstdc++/65279
	* include/std/scoped_allocator (__inner_type_impl,
	scoped_allocator_adaptor): Add defaulted copy assignment and move
	assignment operators.
	* testsuite/20_util/scoped_allocator/65279.cc: New.

From-SVN: r221119
This commit is contained in:
Jonathan Wakely 2015-03-02 17:50:55 +00:00 committed by Jonathan Wakely
parent e59a2e945e
commit 9d8dbe732a
3 changed files with 72 additions and 0 deletions
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8
libstdc++-v3/ChangeLog
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@ -1,3 +1,11 @@
2015-03-02 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/65279
* include/std/scoped_allocator (__inner_type_impl,
scoped_allocator_adaptor): Add defaulted copy assignment and move
assignment operators.
* testsuite/20_util/scoped_allocator/65279.cc: New.
2015-03-02 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/64367

10
libstdc++-v3/include/std/scoped_allocator
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@ -105,6 +105,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__inner_type_impl() = default;
__inner_type_impl(const __inner_type_impl&) = default;
__inner_type_impl(__inner_type_impl&&) = default;
__inner_type_impl& operator=(const __inner_type_impl&) = default;
__inner_type_impl& operator=(__inner_type_impl&&) = default;
template<typename _Alloc>
__inner_type_impl(const __inner_type_impl<_Alloc>& __other)
@ -136,6 +138,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__inner_type_impl() = default;
__inner_type_impl(const __inner_type_impl&) = default;
__inner_type_impl(__inner_type_impl&&) = default;
__inner_type_impl& operator=(const __inner_type_impl&) = default;
__inner_type_impl& operator=(__inner_type_impl&&) = default;
template<typename... _Allocs>
__inner_type_impl(const __inner_type_impl<_Allocs...>& __other)
@ -310,6 +314,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
_M_inner(std::move(__other._M_inner))
{ }
scoped_allocator_adaptor&
operator=(const scoped_allocator_adaptor&) = default;
scoped_allocator_adaptor&
operator=(scoped_allocator_adaptor&&) = default;
inner_allocator_type& inner_allocator() noexcept
{ return _M_inner._M_get(this); }

54
libstdc++-v3/testsuite/20_util/scoped_allocator/65279.cc Normal file
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@ -0,0 +1,54 @@
// Copyright (C) 2015 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-options "-std=gnu++11" }
// { dg-do compile }
#include <memory>
#include <type_traits>
#include <scoped_allocator>
template<typename T>
struct Allocator : std::allocator<T>
{
template<typename U>
struct rebind { using other = Allocator<U>; };
using propagate_on_container_copy_assignment = std::true_type;
using propagate_on_container_move_assignment = std::true_type;
};
template<typename... T>
using alloc = std::scoped_allocator_adaptor<Allocator<T>...>;
void
test01()
{
// Test partial specialization for sizeof...(InnerAlloc) == 0
alloc<int> a;
a = a;
a = std::move(a);
}
void
test02()
{
// Test partial specialization for sizeof...(InnerAlloc) >= 1
alloc<int, char> a;
a = a;
a = std::move(a);
}