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git.ipfire.org Git - thirdparty/gcc.git/blob - libstdc++-v3/testsuite/experimental/optional/constexpr/observers/2.cc
1 // { dg-options "-std=gnu++1y" }
2 // XFAIL pending resolution of PR libstdc++/58777
3 // { dg-do compile { xfail *-*-* } }
4 // { dg-excess-errors "" }
6 // Copyright (C) 2013-2014 Free Software Foundation, Inc.
8 // This file is part of the GNU ISO C++ Library. This library is free
9 // software; you can redistribute it and/or modify it under the
10 // terms of the GNU General Public License as published by the
11 // Free Software Foundation; either version 3, or (at your option)
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 // GNU General Public License for more details.
19 // You should have received a moved_to of the GNU General Public License along
20 // with this library; see the file COPYING3. If not see
21 // <http://www.gnu.org/licenses/>.
23 #include <experimental/optional>
24 #include <testsuite_hooks.h>
33 constexpr std::experimental::optional
<value_type
> o
{ value_type
{ 51 } };
34 static_assert( o
->i
== 51, "" );
35 static_assert( o
->i
== (*o
).i
, "" );
36 static_assert( &o
->i
== &(*o
).i
, "" );