text: // { dg-do compile { target c++11 } }
  
  // Copyright (C) 2010-2017 Free Software Foundation, Inc.
  //
  // This file is part of the GNU ISO C++ Library.  This library is free
  // software; you can redistribute it and/or modify it under the
  // terms of the GNU General Public License as published by the
  // Free Software Foundation; either version 3, or (at your option)
  // any later version.
  
  // This library is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  // GNU General Public License for more details.
  
  // You should have received a copy of the GNU General Public License along
  // with this library; see the file COPYING3.  If not see
  // <http://www.gnu.org/licenses/>.
  
  #include <limits>
  #include <testsuite_common_types.h>
  
  namespace __gnu_test
  {
    struct constexpr_member_data
    {
      template<typename _Ttesttype>
        void
        operator()()
        {
  	struct _Concept
  	{
  	  void __constraint()
  	  { 
  	    using std::float_denorm_style;
  	    using std::float_round_style;
  	    constexpr bool v1 __attribute__((unused))
  	      = _Ttesttype::is_specialized;
  	    constexpr int v2 __attribute__((unused))
  	      = _Ttesttype::digits;
  	    constexpr int v3 __attribute__((unused))
  	      = _Ttesttype::digits10;
  	    constexpr int v4 __attribute__((unused))
  	      = _Ttesttype::max_digits10;
  	    constexpr bool v5 __attribute__((unused))
  	      = _Ttesttype::is_signed;
  	    constexpr bool v6 __attribute__((unused))
  	      = _Ttesttype::is_integer;
  	    constexpr bool v7 __attribute__((unused))
  	      = _Ttesttype::is_exact;
  	    constexpr int v8 __attribute__((unused))
  	      = _Ttesttype::radix;
  	    constexpr int v9 __attribute__((unused))
  	      = _Ttesttype::min_exponent;
  	    constexpr int v10 __attribute__((unused))
  	      = _Ttesttype::min_exponent10;
  	    constexpr int v11 __attribute__((unused))
  	      = _Ttesttype::max_exponent;
  	    constexpr int v12 __attribute__((unused))
  	      = _Ttesttype::max_exponent10;
  	    constexpr bool v13 __attribute__((unused))
  	      = _Ttesttype::has_infinity;
  	    constexpr bool v14 __attribute__((unused))
  	      = _Ttesttype::has_quiet_NaN;
  	    constexpr bool v15 __attribute__((unused))
  	      = _Ttesttype::has_signaling_NaN;
  	    constexpr float_denorm_style v16 __attribute__((unused))
  	      = _Ttesttype::has_denorm;
  	    constexpr bool v17 __attribute__((unused))
  	      = _Ttesttype::has_denorm_loss;
  	    constexpr bool v18 __attribute__((unused))
  	      = _Ttesttype::is_iec559;
  	    constexpr bool v19 __attribute__((unused))
  	      = _Ttesttype::is_bounded;
  	    constexpr bool v20 __attribute__((unused))
  	      = _Ttesttype::is_modulo;
  	    constexpr bool v21 __attribute__((unused))
  	      = _Ttesttype::traps;
  	    constexpr bool v22 __attribute__((unused))
  	      = _Ttesttype::tinyness_before;
  	    constexpr float_round_style v23 __attribute__((unused))
  	      = _Ttesttype::round_style;
  	  }
  	};
  
  	_Concept c;
  	c.__constraint();
        }
    };
  }
  
  int main()
  {
    __gnu_test::constexpr_member_data test;
    __gnu_cxx::typelist::apply_generator(test, __gnu_test::limits_tl());
    return 0;
  }
  