libstdc++-v3/testsuite/30_threads/future/cons/constexpr.cc

   1 // { dg-do compile { target c++11 } }
   2 // { dg-options "-fno-inline -g0" }
   3 // { dg-require-gthreads "" }
   4 // { dg-final { scan-assembler-not "_ZNSt6futureIvEC2Ev" } }
   5 // { dg-final { scan-assembler-not "_ZNSt6futureIiEC2Ev" } }
   6
   7 // Copyright (C) 2010-2022 Free Software Foundation, Inc.
   8 //
   9 // This file is part of the GNU ISO C++ Library.  This library is free
  10 // software; you can redistribute it and/or modify it under the
  11 // terms of the GNU General Public License as published by the
  12 // Free Software Foundation; either version 3, or (at your option)
  13 // any later version.
  14
  15 // This library is distributed in the hope that it will be useful,
  16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 // GNU General Public License for more details.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 #include <future>
  25 #include <testsuite_common_types.h>
  26
  27 int main()
  28 {
  29   __gnu_test::constexpr_default_constructible test; //not literal
  30   test.operator()<std::future<int>>();
  31   test.operator()<std::future<void>>();
  32   return 0;
  33 }