[lilliput-jdk17u:lilliput] RFR: 8310243: [Lilliput/JDK17] Revert UseCompressedClassPointers back to false [v2]

[Roman Kennke]

On Mon, 19 Jun 2023 06:33:16 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Splitting this off #33 as atomic commit. This change is in the repo since initial import.
>> 
>> Additional testing:
>>  - [x] Linux x86_64 tier1, `-XX:+UnlockExperimentalVMOptions -XX:+UseCompactObjectHeaders`
>>  - [x] Linux x86_64 tier1, `-XX:+UnlockExperimentalVMOptions -XX:-UseCompactObjectHeaders`
>
> Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:
> 
>  - Merge branch 'lilliput' into revert-ccp
>  - Fix

Marked as reviewed by rkennke (Reviewer).

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PR Review: https://git.openjdk.org/lilliput-jdk17u/pull/34#pullrequestreview-1485783988