RFR: 8297503: Merge FilteringDCTOC into ContiguousSpaceDCTOC [v2]

[Kim Barrett]

On Thu, 24 Nov 2022 11:48:38 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Simple cleanup of trimming unnecessary type hierarchy levels.
>> 
>> Test: hotspot_gc
>
> Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review

Looks good.

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Marked as reviewed by kbarrett (Reviewer).

PR: https://git.openjdk.org/jdk/pull/11322