RFR: 8209396: Make PtrQueueSets not statically allocated

[Roman Kennke]

Looks good.
Thanks, Roman

Am 13. August 2018 00:07:00 MESZ schrieb Kim Barrett <kim.barrett at oracle.com>:
>Please review this change to G1BarrierSet to make its two PtrQueueSet
>members (_satb_mark_queue_set and _dirty_card_queue_set) be ordinary
>data members rather than static data members.
>
>This change doesn't take advantage of the different allocation scope
>to simplify construction and initialization; that's being left to some
>other RFE, possibly related to JDK-8156696.
>
>This change ties the G1BarrierSet's PtrQueueSet lifetimes to that of
>the barrier set itself. Since the barrier set is never destroyed
>(currently more or less intentionally), neither will the sets be
>destroyed.
>
>CR:
>https://bugs.openjdk.java.net/browse/JDK-8209396
>
>Webrev:
>http://cr.openjdk.java.net/~kbarrett/8209396/open.00/
>
>Testing:
>Mach5 tier1.

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