libstdc++-v3/testsuite/20_util/pair/70437.cc

   1 // { dg-options "-std=gnu++11" }
   2 // { dg-do compile }
   3
   4 // Copyright (C) 2016 Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <utility>
  22
  23 template <class T> struct B;
  24
  25 template <class T> struct A
  26 {
  27   A(A&&) = default;
  28   A(const B<T> &);
  29 };
  30
  31 template <class T> struct B
  32 {
  33   std::pair<A<T>,int> a;
  34   B(B&&) = default;
  35 };
  36
  37 bool b = std::is_move_constructible<A<int> >::value;