RFR: Add generations to freeset [v8]

[Kelvin Nilsen]

On Thu, 20 Apr 2023 19:06:51 GMT, Kelvin Nilsen <kdnilsen at openjdk.org> wrote:

>> src/hotspot/share/gc/shenandoah/shenandoahHeap.hpp line 312:
>> 
>>> 310: 
>>> 311:     // Old regions are under marking, still need SATB barriers.
>>> 312:     OLD_MARKING_BITPOS = 5,
>> 
>> Are these trailing commas intentional?
>
> my mistake.  I had another constant in this list, and then removed it.

fixed.

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PR Review Comment: https://git.openjdk.org/shenandoah/pull/250#discussion_r1172986823