[jdk21u-dev] RFR: 8361892: AArch64: Incorrect matching rule leading to improper oop instruction encoding [v3]

[Zhaokun Xie]

> Hi all,
> 
> This pull request contains a backport of commit [dccb1782](https://github.com/openjdk/jdk/commit/dccb1782ec35d1ee95220a237aef29ddfc292cbd) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Yadong Wang on 22 Jul 2025 and was reviewed by Aleksey Shipilev and Andrew Dinn.
> 
> Thanks!

Zhaokun Xie has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:

  Backport dccb1782ec35d1ee95220a237aef29ddfc292cbd

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Changes: https://git.openjdk.org/jdk21u-dev/pull/2110/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2110&range=02
  Stats: 32 lines in 1 file changed: 0 ins; 32 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2110.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2110/head:pull/2110

PR: https://git.openjdk.org/jdk21u-dev/pull/2110