// 1999-05-11 bkoz
-// Copyright (C) 1999-2016 Free Software Foundation, Inc.
+// Copyright (C) 1999-2024 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
std::wstring str01 = L"twelve chars";
// str01 becomes shared
std::wstring str02 = str01;
- str01.reserve(1);
+#if __cplusplus <= 201703L
+ str01.reserve();
+#else
+ str01.shrink_to_fit(); // reserve is deprecated in C++20
+#endif
VERIFY( str01.capacity() == 12 );
}