RFR: 8302122: Parallelize TLAB retirement in prologue in G1 [v5]

[Thomas Schatzl]

On Mon, 20 Feb 2023 09:04:24 GMT, Kim Barrett <kbarrett at openjdk.org> wrote:

>> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix compilation on osx
>
> Looks good.

Thanks for your review @kimbarrett @albertnetymk

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PR: https://git.openjdk.org/jdk/pull/12497