RFR: 8332842: Optimize empty CopyOnWriteArrayList allocations [v3]

[Viktor Klang]

On Thu, 6 Jun 2024 14:29:46 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> `clone()` performs a shallow copy, so there is currently no `Object[]` allocated and therefore nothing to optimize.  I don't think there's any work to do here.
>> 
>> @DougLea @viktorklang-ora can you confirm?
>
>> clone() performs a shallow copy, so there is currently no Object[] allocated and therefore nothing to optimize.
> 
> Yes, I believe so.

👍

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PR Review Comment: https://git.openjdk.org/jdk/pull/19527#discussion_r1633127845