[Bug libstdc++/118244] Errors building libstdc++-v3 for MinGW-w64

[brechtsanders at users dot sourceforge.net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118244

--- Comment #6 from Brecht Sanders <brechtsanders at users dot sourceforge.net> ---
I tried building without '-D__USE_MINGW_ANSI_STDIO=0' and I still get the same
undefined references.