RFR: 8294314: Minimize disabled warnings in hotspot [v9]

[Aleksey Shipilev]

On Wed, 12 Oct 2022 10:35:08 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> @shipilev So you want me to integrate this first, and then you follow up with your fixes?
>
> Hey @magicus, are you going forward with this PR, or?

> @shipilev In a "tenth time's the charm" spirit, here's what I do think is actually a PR that can be integrated.

Cool! I'll try to schedule the overnight build-matrix run to see if anything is broken.

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PR: https://git.openjdk.org/jdk/pull/10414