RFR: 8318895: Deoptimization results in incorrect lightweight locking stack [v3]

[David Holmes]

On Fri, 10 Nov 2023 10:41:16 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
>>  - [x] tier2
>
> Roman Kennke has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update test/jdk/com/sun/jdi/EATests.java
>   
>   Co-authored-by: Richard Reingruber <richard.reingruber at sap.com>

This PR calls code that expects to be passed a reference to the current thread, but is instead passed the `deoptee_thread`! See https://bugs.openjdk.org/browse/JDK-8324881

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PR Comment: https://git.openjdk.org/jdk/pull/16568#issuecomment-1916036852