libstdc++-v3/testsuite/29_atomics/atomic/cons/49445.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-atomic-builtins "" }
   3
   4 // Copyright (C) 2012-2018 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 <atomic>
  22
  23 enum class tacos : int
  24 {
  25   cancun = 4,
  26   el_loco = 5,
  27   sabor = 6,
  28   papalote = 9,
  29   licious = 44,
  30   jarritos = 55
  31 };
  32
  33 // should minimally compile and link
  34 int main()
  35 {
  36   std::atomic<float> af(0.0f);
  37   float non_af __attribute__((unused)) = af;
  38
  39   std::atomic<tacos> ae(tacos::sabor);
  40   tacos non_ae __attribute__((unused)) = ae;
  41
  42   return 0;
  43 }