[Bug target/116854] GCC incorrectly assumes all CPUs where -march=native resolves to -march=bdver4 will have RDRND support

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116854

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> Since the BIOS and/or OS can disable it,

>From the way I understand it, even things like avx can be turned on/off too.
Does that mean gcc should disable avx by default for most targets, NO.

Again the issue is qt is trying to reinterpret -march=native which is incorrect
thing to always.