[Bug tree-optimization/101479] vectorized impossible conditional floating point operations still cause traps (-ffast-math, -O3)

[Simon.Thornington at tssecurities dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101479

--- Comment #4 from Simon Thornington <Simon.Thornington at tssecurities dot 
com> ---
I'll add that changing close_to_zero from 

fabs(x) < 0.5

to

x == 0.0 || fabs(x) < 0.5

everything starts to work as I'd expect again...