[master] RFR: Merge jdk:jdk-21+8

[Aleksey Shipilev]

On Fri, 3 Feb 2023 09:38:35 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> As subject says.
> 
> 3 tests were failing after the merge:
> - runtime/CompressedOops/CompressedClassSpaceSize.java: according to @tstuefe, the test requires adjusting the minimum size. This is related to [JDK-8294677](https://bugs.openjdk.org/browse/JDK-8294677).
> - runtime/CompressedOops/CompressedClassPointerEncoding.java: This test is new in Lilliput. Some tests failed due to misaligned class space. I commented out those tests and filed [JDK-8301786](https://bugs.openjdk.org/browse/JDK-8301786).
> - compiler/c2/irTests/TestVectorizationNotRun.java: New test that starts failing, presumably because byte[] and long[] don't start at same offset in Lilliput. I problem-listed the test for now, and filed: [JDK-8301785](https://bugs.openjdk.org/browse/JDK-8301785).
> 
> Testing:
>  - [x] tier1 (aarch64/x86_64)
>  - [x] tier2 (aarch64/x86_64)

Marked as reviewed by shade (Committer).

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PR: https://git.openjdk.org/lilliput/pull/71