-// Copyright (C) 2018-2019 Free Software Foundation, Inc.
+// Copyright (C) 2018-2020 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++17 -lstdc++fs" }
+// { dg-options "-std=gnu++17" }
// { dg-do run { target c++17 } }
// { dg-require-filesystem-ts "" }
using std::filesystem::filesystem_error;
+// The COW std::string does not have noexcept copies, because copying a
+// "leaked" string can throw (and for fully-dynamic strings, copying the
+// empty rep can also throw).
+// That's OK, because we know that the std::string in the std::runtime_error
+// or std::logic_error base class won't be leaked (and usually won't be empty).
+// The is_nothrow_xxx type traits don't know that though, so we can only
+// check them for the cxx11 ABI, which uses __cow_string, which has noexcept
+// copies.
+#if _GLIBCXX_USE_CXX11_ABI
// PR libstdc++/83306
static_assert(std::is_nothrow_copy_constructible_v<filesystem_error>);
static_assert(std::is_nothrow_copy_assignable_v<filesystem_error>);
+#endif
void
test01()