RFR 8227866: Shenandoah: Split weak root processing and class unloading in parallel cleaning task

[Thomas Schatzl]

Hi Zhengyu,

On Mon, 2019-07-22 at 07:50 -0400, Zhengyu Gu wrote:
> 
> On 7/22/19 7:30 AM, Roman Kennke wrote:
> > Yes, I think it should still remain in gc/shared as long as
> > Shenandoah is using (parts of) it.
> 
> Thanks for reviewing, Roman.
> 
> I think we will just move "ParallelCleaningTask" back to G1 and keep 
> subtasks in shared.
> 

Makes sense. Thank you.

Thanks,
  Thomas