[jdk23u] RFR: 8333334: C2: Make result of `Node::dominates` more precise to enhance scalar replacement

[Tobias Hartmann]

On Fri, 23 Aug 2024 09:55:09 GMT, Qizheng Xing <qxing at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [965dd1ac](https://github.com/openjdk/jdk/commit/965dd1acd0ce5b225d85e2c55cc097856e0e9f3c) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Qizheng Xing on 23 Aug 2024 and was reviewed by Christian Hagedorn, Vladimir Kozlov and Tobias Hartmann.
> 
> Thanks!

What's the justification to backport this? The bar for backporting enhancements is quite high. Please note that you also need maintainer approval.

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PR Comment: https://git.openjdk.org/jdk23u/pull/83#issuecomment-2306771741