-// Copyright (C) 2019-2020 Free Software Foundation, Inc.
+// Copyright (C) 2019-2024 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
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
-// { dg-options "-std=gnu++2a" }
-// { dg-do compile { target c++2a } }
+// { dg-do compile { target c++20 } }
+// { dg-add-options no_pch }
#include <functional>
#ifndef __cpp_lib_constexpr_functional
-# error "Feature test macro for constexpr invoke is missing"
+# error "Feature test macro for constexpr invoke is missing in <functional>"
#elif __cpp_lib_constexpr_functional < 201907L
-# error "Feature test macro for constexpr invoke has wrong value"
+# error "Feature test macro for constexpr invoke has wrong value in <functional>"
#endif
constexpr int inc(int i) { return i + 1; }