RFR(XXS) 8209852: Counters in StringCleaningTask should be type of size_t

[coleen.phillimore at oracle.com]

Looks good and trivial.  Has it made it through the submit repo (just in 
case there's something my eyes did not catch)?
thanks,
Coleen

On 8/27/18 1:48 PM, Zhengyu Gu wrote:
> Hi,
>
> Please review this trivial change that converts counters from type int 
> to size_t, it eliminates several unnecessary type casting.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8209852
> Webrev: http://cr.openjdk.java.net/~zgu/8209852/webrev.00/index.html
>
> Test:
>
>   hotspot_gc on Linux 64 (fastdebug and release)
>
>
> Thanks,
>
> -Zhengyu