[Bug libstdc++/71431] ifstream::rdbuf directory

[dimaqq at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71431

--- Comment #6 from Dima Tisnek <dimaqq at gmail dot com> ---
Perhaps in my case, it's a combination of directory, `imbue` and `rdbuf` ?