RFR (S): 8233702: Introduce helper function to clamp value to range

[Kim Barrett]

> On Nov 14, 2019, at 10:58 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> New webrevs:
> 
> http://cr.openjdk.java.net/~tschatzl/8233702/webrev.1_to_2/ (diff)
> http://cr.openjdk.java.net/~tschatzl/8233702/webrev.2/ (full)
> 
> Passed hs-tier1-5.
> 
> Thanks,
>  Thomas

Looks good.