[Bug driver/103949] gcc fails to provide a standard conforming C11 or C++17 environment even when specifying -std=c11 or -std=c++17

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103949

--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
See also
https://sourceforge.net/p/mingw-w64/mailman/mingw-w64-public/thread/29e406ed.c6291.1541803dcf9.Coremail.lh_mouse%40126.com/
.
Mingw thread support is always lacking behind because there are not enough
developers doing development there so ....