[Bug middle-end/88542] Optimize symmetric range check

[bugzilla@poradnik-webmastera.com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88542

--- Comment #2 from Daniel Fruzynski <bugzilla@poradnik-webmastera.com> ---
No, code with -ffast-math is the same.

BTW, fabs(NaN) is NaN, so result is the same as before (false).