[jdk25] RFR: 8364409: [BACKOUT] Consolidate Identity of self-inverse operations

[Christian Hagedorn]

On Mon, 4 Aug 2025 06:51:36 GMT, Manuel Hässig <mhaessig at openjdk.org> wrote:

> Hi all,
> 
> This pull request contains a backport of commit [ddb64836](https://github.com/openjdk/jdk/commit/ddb64836e5bafededb705329137e353f8c74dd5d) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Manuel Hässig on 31 Jul 2025 and was reviewed by Tobias Hartmann, Benoît Maillard and Hannes Greule.
> 
> Thanks!

Looks good!

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Marked as reviewed by chagedorn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26613#pullrequestreview-3082964085