[Bug c/123036] NaN != NaN should be true, but fails

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123036

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>GCC has implemented the non-60559-compliant "NaN comparisons are always false" 
>behavior

Except that is not what the C standard says 60559-compliant should be as I
showed in comment #2.