libstdc++-v3/testsuite/20_util/enable_shared_from_this/cons/constexpr.cc

   1 // { dg-options "-fno-inline -g0" }
   2 // { dg-do compile { target c++11 } }
   3 // { dg-final { scan-assembler-not "_ZNSt23enable_shared_from_thisIiEC2Ev" } }
   4 // { dg-final { scan-assembler-not "_ZN7derivedC2Ev" } }
   5
   6 // Copyright (C) 2010-2019 Free Software Foundation, Inc.
   7 //
   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)
  12 // any later version.
  13
  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.
  18
  19 // You should have received a copy of the GNU General Public License along
  20 // with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <memory>
  24 #include <testsuite_common_types.h>
  25
  26 struct derived : public std::enable_shared_from_this<int>
  27 {
  28   constexpr derived() { }
  29 };
  30
  31 int main()
  32 {
  33   __gnu_test::constexpr_default_constructible test;
  34   test.operator()<derived>();
  35   return 0;
  36 }