RFR: 8357601: Checked version of JNI Release<type>ArrayElements needs to filter out known wrapped arrays

[David Holmes]

On Thu, 3 Jul 2025 07:31:17 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>> The checked version of `Get`/`Release<type>ArrayElements` uses `GuardedMemory` to perform error checking. When releasing the array the code needs to check for the known array tags from the other JNI APIs and report an error.
>> 
>> We also expand `GuardedMemory` to allow for a second tag word so that we can discriminate additional allocation sites i.e. identifying use of `Get`/`SetPrimitiveArrayCritical`. And add further robustness to guard verification by using `SafeFetch`.
>> 
>> Testing
>>  - new test
>>  - Tiers 1-4 (sanity)
>
> LGTM

Thanks for the review @jdksjolen !

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PR Comment: https://git.openjdk.org/jdk/pull/25444#issuecomment-3032027659