RFR: 8179004: Add an efficient implementation of the "count trailing zeros" operation

[Kim Barrett]

> On May 5, 2017, at 4:02 AM, David Holmes <david.holmes at oracle.com> wrote:
> 
> On 5/05/2017 3:43 PM, Kim Barrett wrote:
>> Still looking for a Reviewer.
> 
> Reviewed.
> 
> I don't see an obviously better way to deal with the structure.

Thanks.