libstdc++-v3/testsuite/18_support/launder/requirements_neg.cc

   1 // Copyright (C) 2016-2020 Free Software Foundation, Inc.
   2 //
   3 // This file is part of the GNU ISO C++ Library.  This library is free
   4 // software; you can redistribute it and/or modify it under the
   5 // terms of the GNU General Public License as published by the
   6 // Free Software Foundation; either version 3, or (at your option)
   7 // any later version.
   8
   9 // This library is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13
  14 // You should have received a copy of the GNU General Public License along
  15 // with this library; see the file COPYING3.  If not see
  16 // <http://www.gnu.org/licenses/>.
  17
  18 // { dg-options "-std=gnu++17" }
  19 // { dg-do compile { target c++17 } }
  20
  21 #include <new>
  22
  23 void f1(int) noexcept;
  24 int f2(const char*, ...);
  25
  26 void
  27 test01()
  28 {
  29   std::launder( &f1 ); // { dg-error "deleted function" }
  30   std::launder( &f2 ); // { dg-error "deleted function" }
  31   void* p = nullptr;
  32   std::launder( p );  // { dg-error "deleted function" }
  33   const void* cp = nullptr;
  34   std::launder( cp );  // { dg-error "deleted function" }
  35   volatile void* vp = nullptr;
  36   std::launder( vp );  // { dg-error "deleted function" }
  37   const volatile void* cvp = nullptr;
  38   std::launder( cvp );  // { dg-error "deleted function" }
  39 }