[Bug middle-end/98829] Different results with -O3 and custom quiet NaN

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98829

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
NaNs do prograte but as far as I know can change values as long as it is still
a NaN.