RFR(S): 8205574: Loop predication "assert(f <= 1 && f >= 0) failed Incorrect frequency"

[Roland Westrelin]

Hi Vladimir,

Thanks for looking at this.

> And remove asserts - they only test if fesetround() works correctly.

I don't agree with that part. There could be some bug in how frequencies
from multiple paths are computed and it is nice to have some sanity
checking.

Roland.