RFR: 8320649: C2: Optimize scoped values [v9]

[Emanuel Peter]

On Tue, 16 Apr 2024 14:46:22 GMT, Roland Westrelin <roland at openjdk.org> wrote:

>> @rwestrel thanks for asking. About 10% seems to still be scheduled and have not completed, on `macosx-x64`. But the rest seems fine. I'll re-review next week :)
>
> @eme64 can you go over my replies above and let me know if they sound good to you? Thanks.

I'm waiting for @rwestrel to respond to my last list of comments/questions.

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PR Comment: https://git.openjdk.org/jdk/pull/16966#issuecomment-2082031126