https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86507
--- Comment #4 from tower120 <tower120 at gmail dot com> --- > Are you sure about that? You might be able to include the header, but nothing > else works. "Everything" that I use, which is: * std::experimental::filesystem::path (construction, c_str, comparison) * std::experimental::filesystem::file_size This work in mingw-w64 gcc 7.1 with "stdc++fs".