PR middle-end/89303 add testcase for std::enable_shared_from_this

* testsuite/20_util/enable_shared_from_this/89303.cc: New test.

From-SVN: r268869
This commit is contained in:
Jonathan Wakely 2019-02-14 09:40:02 +00:00 committed by Jonathan Wakely
parent 3c545f7491
commit 133342f061
2 changed files with 42 additions and 0 deletions

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2019-02-14 Jonathan Wakely <jwakely@redhat.com>
PR middle-end/89303
* testsuite/20_util/enable_shared_from_this/89303.cc: New test.
* doc/xml/manual/intro.xml: Document LWG 2735 status.
* include/bits/std_abs.h: Add comment about LWG 2735.
* testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.

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// Copyright (C) 2019 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 "-O1" }
// { dg-do run { target c++11 } }
// PR middle-end/89303
#include <memory>
class blob final: public std::enable_shared_from_this<blob>
{
int* data;
public:
blob() { data = new int; }
~blob() { delete data; }
};
int
main()
{
std::shared_ptr<blob> tg = std::make_shared<blob>();
return tg->shared_from_this().use_count() - 2;
}