[master] RFR: Merge jdk:jdk-23+12 [v3]

[Roman Kennke]

On Mon, 4 Mar 2024 13:36:45 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

>> Let's merge jdk-23+12, in particular, this brings in: [8139457: Relax alignment of array elements](https://bugs.openjdk.org/browse/JDK-8139457). After this merge, I'll check the remaining diff vs upstream and see if I find any leftovers.
>> 
>> Testing:
>>  - [x] tier1 (-UCOH)
>>  - [x] tier1 (+UCOH)
>
> Roman Kennke has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
> 
>   Merge tag 'jdk-23+12' into merge-jdk-23+12
>   
>   Added tag jdk-23+12 for changeset 998d0baa

I see 3 failures with +UCOH, but all of them are preexisting. No failures with -UCOH. Going to push the merge.

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PR Comment: https://git.openjdk.org/lilliput/pull/142#issuecomment-1977011535