libstdc++-v3/testsuite/17_intro/freestanding.cc

   1 // { dg-options "-lsupc++ -fvtable-verify=none" }
   2 // { dg-do run { target c++11 } }
   3
   4 // Copyright (C) 2010-2018 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 <cstdarg>
  22 #include <cstddef>
  23 #include <cstdlib>
  24
  25 #include <exception>
  26 #include <limits>
  27 #include <new>
  28 #include <typeinfo>
  29
  30 #include <initializer_list>
  31 #include <type_traits>
  32
  33 // C++2a headers:
  34 #include <bit>
  35 #include <version>
  36
  37 int main()
  38 {
  39   std::exception e;
  40
  41   const char* str __attribute__((unused)) = typeid(e).name();
  42
  43   typedef std::numeric_limits<long> limit_type;
  44   limit_type limit_l __attribute__((unused));
  45   int r __attribute__((unused)) = limit_type::radix;
  46
  47   const char* cp = new char;
  48   delete cp;
  49
  50   bool b __attribute__((unused)) = std::is_integral<int>::value;
  51
  52   std::initializer_list<int> ilisti __attribute__((unused));
  53
  54 #if __cplusplus > 201703L
  55   static_assert( std::ispow2(256u) );
  56   static_assert( __cpp_lib_void_t >= 201411L );
  57 #endif
  58
  59   return 0;
  60 }