[Bug libstdc++/98374] No #include on windows. Bootstrapping failure

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98374

--- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Patch posted:
https://gcc.gnu.org/pipermail/gcc-patches/2020-December/562283.html