re PR libstdc++/65631 (seed_seq should not be copyable)

PR libstdc++/65631
	* include/bits/random.h (seed_seq) Define copy constructor and copy
	assignment as deleted.
	* testsuite/26_numerics/random/seed_seq/cons/65631.cc: New.

From-SVN: r222524
This commit is contained in:
Jonathan Wakely 2015-04-28 13:35:30 +01:00 committed by Jonathan Wakely
parent 196e0493cb
commit d747ee05e3
3 changed files with 37 additions and 0 deletions

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@ -1,5 +1,10 @@
2015-04-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/65631
* include/bits/random.h (seed_seq) Define copy constructor and copy
assignment as deleted.
* testsuite/26_numerics/random/seed_seq/cons/65631.cc: New.
* libsupc++/exception (uncaught_exceptions): Add comment. Reorder #if.
* testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
Use -std=gnu++1z. Check feature-test macro.

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@ -6053,6 +6053,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
param(OutputIterator __dest) const
{ std::copy(_M_v.begin(), _M_v.end(), __dest); }
// no copy functions
seed_seq(const seed_seq&) = delete;
seed_seq& operator=(const seed_seq&) = delete;
private:
///
std::vector<result_type> _M_v;

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@ -0,0 +1,28 @@
// 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 <random>
#include <type_traits>
static_assert( !std::is_copy_constructible<std::seed_seq>::value,
"seed_seq is not copy constructible" );
static_assert( !std::is_copy_assignable<std::seed_seq>::value,
"seed_seq is not copy assignable" );