RFR: 8311030: ResourceBundle.handleKeySet() is racy

[Roger Riggs]

On Wed, 28 Jun 2023 11:05:11 GMT, Sergey Tsypanov <stsypanov at openjdk.org> wrote:

> Double-checked locking should rely on local variable to avoid racy reads from volatile field.

Given all the comments, I don't think this is ready to integrate.

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Changes requested by rriggs (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/14692#pullrequestreview-1505356736