RFR (S): JDK-8065992: Change CMSCollector::_young_gen to be a ParNewGeneration*

[Kim Barrett]

On Dec 1, 2014, at 8:32 AM, Bengt Rutisson <bengt.rutisson at oracle.com> wrote:
> 
> Could I have a couple of reviews for this simple change?
> 
> http://cr.openjdk.java.net/~brutisso/8065992/webrev.00/
> 
> https://bugs.openjdk.java.net/browse/JDK-8065992

Looks good.