[Bug libstdc++/101136] msdosdjgpp toolchain cannot find std::wstring_view

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101136

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Oh it wasn't last year, it was January this year. There's a patch at
https://gcc.gnu.org/pipermail/libstdc++/2021-January/051868.html