[master] RFR: 8353849: [Lilliput] Avoid race in compact identity hashcode [v2]

[Roman Kennke]

On Mon, 7 Apr 2025 12:55:11 GMT, Zhengyu Gu <zgu at openjdk.org> wrote:

>> Roman Kennke has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Avoid more races
>
> Seem reasonable.

Thanks @zhengyu123 and @earthling-amzn! I found more races in that code path and would need a re-review!

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PR Comment: https://git.openjdk.org/lilliput/pull/196#issuecomment-2784532118