RFR: Verifier should walk cset and humongous regions

[Zhengyu Gu]

Look good to me.

-Zhengyu

On 08/24/2017 03:40 PM, Aleksey Shipilev wrote:
> Due to the confusion around "dirty", Verifier skipped cset regions. Fixing that, and implementing
> the walk over humongous regions too:
>    http://cr.openjdk.java.net/~shade/shenandoah/verifier-cset-humongous/webrev.01/
> 
> Roman, this might be useful for your current partial GC work.
> 
> Testing: hotspot_gc_shenandoah
> 
> Thanks,
> -Aleksey
>