RFR: 8329342: GenShen: Synchronize shenandoah-jdk21u:master with shenandoah:master [v2]

[William Kemper]

On Fri, 29 Mar 2024 21:26:25 GMT, William Kemper <wkemper at openjdk.org> wrote:

>> Pull in recent changes from shenandoah:master, _en masse_.
>
> William Kemper has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 28 commits:
> 
>  - Sync up gtest test
>  - Merge remote-tracking branch 'shenandoah-21/master' into synch-up-with-shenandoah-master
>  - Merge
>  - Merge
>  - Fix up tests
>  - Sync up with shenandoah tip
>  - Merge remote-tracking branch 'openjdk-21u-dev/master' into synch-up-with-shenandoah-master
>  - 8324325: [Genshen] Normalize wrt AgeTable changes from JDK-8314329
>    
>    Make GenShen consistent with changes in JDK-8314329.
>    
>    Reviewed-by: shade
>  - 8325670: GenShen: Allow old to expand at end of each GC
>    
>    Backport-of: 2f1fa6dbe2b6dcea15603ac42087af83961622f9
>  - 8326626: GenShen: Remove dead code associated with non-elastic TLABS
>    
>    Backport-of: 9fde64ecf7f4954dbd4028a57cdeb400de8b0268
>  - ... and 18 more: https://git.openjdk.org/shenandoah-jdk21u/compare/f2a013bd...6e465522

Abandoning this PR in favor of: https://github.com/openjdk/shenandoah-jdk21u/pull/29

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PR Comment: https://git.openjdk.org/shenandoah-jdk21u/pull/29#issuecomment-2027781767