RFR: 8272216: G1: replace G1ParScanThreadState::_dest with a constant [v2]

[Albert Mingkun Yang]

On Tue, 10 Aug 2021 10:48:54 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Simple change of removing an array with statically-known identical elements.
>> 
>> Test: hotspot_gc
>
> Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review

Thanks for the review.

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PR: https://git.openjdk.java.net/jdk/pull/5065