RFR: 8318895: Deoptimization results in incorrect lightweight locking stack

[Dean Long]

On Wed, 8 Nov 2023 19:00:53 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> See JBS issue for details.
> 
> I basically:
>  - took the test-modification and turned it into its own test-case
>  - added test runners for lightweight- and legacy-locking, so that we keep testing both, no matter what is the default
>  - added Axels fix (mentioned in the JBS issue) with the modification to only inflate when exec_mode == Unpack_none, as explained by Richard.
> 
> Testing:
>  - [x] EATests.java
>  - [x] tier1
>  - [ ] tier2

Marked as reviewed by dlong (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/16568#pullrequestreview-1721539402