RFR: ZGC: Refine comments in reference processor

[Stefan Karlsson]

Looks good.

StefanK

On 2018-05-14 13:39, Per Liden wrote:
> Refining some comments in the reference processor.
> 
> http://cr.openjdk.java.net/~pliden/zgc/reference_processor_comments/webrev.0 
> 
> 
> /Per