RFR: 8375272: [IR Framework] Miscellaneous clean-ups [v2]

[Damon Fenacci]

On Fri, 23 Jan 2026 14:52:23 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> This patch applies various unrelated clean-ups split out from a first prototype for [JDK-8375270](https://bugs.openjdk.org/browse/JDK-8375270). This should ease reviews. I left some comments in the PR to further explain some details.
>> 
>> Thanks,
>> Christian
>
> Christian Hagedorn has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review Marc & Damon

Marked as reviewed by dfenacci (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/29362#pullrequestreview-3698307204