RFR: 8221361: Eliminate two-phase initialization for PtrQueueSet classes

[Kim Barrett]

> On Sep 9, 2019, at 2:31 PM, Aleksey Shipilev <shade at redhat.com> wrote:
> 
> On 9/6/19 11:53 PM, Aleksey Shipilev wrote:
>> On 9/6/19 11:25 PM, Kim Barrett wrote:
>>> Webrev:
>>> http://cr.openjdk.java.net/~kbarrett/8221361/open.00/
>> 
>> Shenandoah parts look good. Thank you for going extra mile there. It is a bit unfortunate we have
>> lost the ability to use cached _heap in ShenandoahSATBMarkQueueSet::filter, but this should not be
>> important.
>> 
>> It passes hotspot_gc_shenandoah for me locally.
> 
> The entire patch looks good too.
> 
> -- 
> Thanks,
> -Aleksey

Thanks.