RFR: 8263090: Avoid reading volatile fields twice in Locale.getDefault(Category) [v2]

[David Holmes]

On Fri, 5 Mar 2021 18:58:44 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> Claes Redestad has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix omitted synchronized
>
> Looks good.

If I read the order right your benchmark findings were done before you added the missing synchronized - correct?

AFAICS the only unnecessary volatile read is on the return statement and you could fix that without doing the other refactoring. I don't see how introducing an extra method call can aid performance.

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PR: https://git.openjdk.java.net/jdk/pull/2845