RFR: 8374308: ImageBufferCache has no effect and can be removed [v4]

[duke]

On Tue, 6 Jan 2026 11:03:45 GMT, David Beaumont <duke at openjdk.org> wrote:

>> Remove ineffective/unused ImageBufferCache class, and simplify callers / remove dead code.
>> 
>> I removed the release methods in the internal classes, but the public ModuleReader API method is still there (the override can go away though since the default implementation also tests for non-null, so removing the override has no risk).
>> 
>> I suspect there are no implementations of ModuleReader that implement release semantics after this change, so perhaps we could relax the documentation around it? Thoughts welcome.
>
> David Beaumont has updated the pull request incrementally with one additional commit since the last revision:
> 
>   simplifying allocation and argument checks

@david-beaumont 
Your change (at version 7d54c8e55f7bfa2b228ecd83f0c7ca5a88742b5d) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/29043#issuecomment-3715798157