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

Mon Aug 4 06:57:37 UTC 2025

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!

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Commit messages:
 - Backport ddb64836e5bafededb705329137e353f8c74dd5d

Changes: https://git.openjdk.org/jdk/pull/26613/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26613&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8364409
  Stats: 245 lines in 4 files changed: 8 ins; 225 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/26613.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26613/head:pull/26613

PR: https://git.openjdk.org/jdk/pull/26613