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

[Aleksey Shipilev]

On Tue, 27 Sep 2022 19:07:04 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>>> @shipilev I had hoped this PR would trigger warning hunting in Hotspot, but I did not anticipate that it would happen even before it was pushed! ;-) Let me know when you are done fixing individual warnings; there seem to be little point in integrating this until these fixes has started to slow down.
>> 
>> Well, as I dig deeper into this mess, my PRs that fix the warnings stray away from being trivial, and build changes are a small parts of them. The actual "meat" of the patches requires review. So, I am actually thinking we should integrate this PR first, wait a little, collate possible build failures due to missing disabled warnings, adding more affected files in these declarations. It would make the actual warning fix PRs more to the point: they would have to only touch the files where warnings were specifically disabled. (The same goes for JDK-side PRs, I think)
>
> @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?

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