RFR: 8295124: Atomic::add to pointer type may return wrong value [v2]

[Kim Barrett]

On Wed, 19 Oct 2022 07:48:11 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Kim Barrett has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   conditionalize 64bit tests on 64bit platform
>
> Lgtm.

Thanks @tschatzl and @coleenp for reviews.

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PR: https://git.openjdk.org/jdk/pull/10667