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

   1 // { dg-do compile { target c++11 } }
   2
   3 // Copyright (C) 2016-2023 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 3, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING3.  If not see
  18 // <http://www.gnu.org/licenses/>.
  19
  20 #include <algorithm>
  21 #include <array>
  22 #include <bitset>
  23 #include <exception>
  24 #include <functional>
  25 #include <iterator>
  26 #include <limits>
  27 #include <memory>
  28 #include <new>
  29 #include <numeric>
  30 #include <tuple>
  31 #include <typeinfo>
  32 #include <type_traits>
  33 #include <utility>
  34
  35 #if __STDC_HOSTED__
  36 #  include <complex>
  37 #  include <deque>
  38 #  include <fstream>
  39 #  include <iomanip>
  40 #  include <ios>
  41 #  include <iosfwd>
  42 #  include <iostream>
  43 #  include <istream>
  44 #  include <list>
  45 #  include <locale>
  46 #  include <map>
  47 #  include <ostream>
  48 #  include <queue>
  49 #  include <random>
  50 #  include <regex>
  51 #  include <set>
  52 #  include <sstream>
  53 #  include <stack>
  54 #  include <stdexcept>
  55 #  include <streambuf>
  56 #  include <string>
  57 #  include <unordered_map>
  58 #  include <unordered_set>
  59 #  include <valarray>
  60 #  include <vector>
  61 #endif
  62
  63 namespace gnu
  64 {
  65   using namespace std::experimental;  // { dg-error "is not a namespace-name" }
  66 }