RFR: 8324048: (fc) Make FileKey fields final [v3]

[Brian Burkhalter]

On Thu, 22 Aug 2024 07:25:39 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> So it looks like `IOUtil.load()` gets called from the static initializer of `sun.nio.ch.UnixFileDispatcherImpl`

That's pretty much what I would expect. Thanks for running it down!

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PR Review Comment: https://git.openjdk.org/jdk/pull/20429#discussion_r1727421400