RFR: 8376131: Convert ContiguousSpace to use Atomic<T>

[Thomas Schatzl]

On Wed, 28 Jan 2026 04:59:09 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Hi all,
>> 
>>   please review this conversions of `ContiguousSpace` to use `Atomic<T>`.
>> 
>> Testing: gha, tier1-5
>> 
>> Thanks,
>>   Thomas
>
> Looks good. Thanks

Thanks @dholmes-ora @kimbarrett for your reviews

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PR Comment: https://git.openjdk.org/jdk/pull/29370#issuecomment-3833527727