RFR: 8311030: ResourceBundle.handleKeySet() is racy

[Viktor Klang]

On Thu, 29 Jun 2023 10:08:27 GMT, Sergey Tsypanov <stsypanov at openjdk.org> wrote:

>> Looks ok; was this a tool detected race?
>
> @RogerRiggs no tool, just fell into the sources while debugging my application

@stsypanov I don't see that there's any issue with the existing code as the volatile field is only written at most once as guarded by the synchronized-block. Best case this patch avoids an extra volatile read (presuming it isn't optimized away).

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PR Comment: https://git.openjdk.org/jdk/pull/14692#issuecomment-1613070489