On Fri, 11 Nov 2022 at 17:44, Jonathan Wakely via Libstdc++
<libstdc++@gcc.gnu.org> wrote:
>
> Tested x86_64-linux and x86_64-w64-ming32 (via Wine).

Sigh, I did test on Wine, but then what I pushed didn't include the
fix that was found thanks to that testing.

This is needed to prevent runtime errors on Windows when constructing
paths. Pushed to trunk.