2.cc 1.0 KB

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  1. // Copyright (C) 2017-2022 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. // This library is distributed in the hope that it will be useful,
  9. // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11. // GNU General Public License for more details.
  12. // You should have received a copy of the GNU General Public License along
  13. // with this library; see the file COPYING3. If not see
  14. // <http://www.gnu.org/licenses/>.
  15. // { dg-options "-std=gnu++17" }
  16. // { dg-do compile { target c++17 } }
  17. #include <string_view>
  18. constexpr char c1[] = "one";
  19. constexpr char c2[] = "two";
  20. constexpr std::string_view s1{c1};
  21. constexpr std::string_view s2{c2};
  22. constexpr int n1 = s1.compare(s1);
  23. constexpr int n2 = s1.compare(s2);