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

[Roland Westrelin]

> Okay. I was thinking about to have an other method check_frequency() which would return 'true' for 
> windows and do check otherwise. But your code with verify_frequencies is fine too.

I followed your suggestion:

http://cr.openjdk.java.net/~roland/8205574/webrev.01/

Can I consider this trivial and push it with a single review?

Roland.