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

[Zhaokun Xie]

Backport of https://github.com/openjdk/jdk/commit/dccb1782ec35d1ee95220a237aef29ddfc292cbd

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Commit messages:
 - Backport dccb1782ec35d1ee95220a237aef29ddfc292cbd

Changes: https://git.openjdk.org/jdk21u-dev/pull/2586/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2586&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361892
  Stats: 32 lines in 1 file changed: 0 ins; 32 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2586.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2586/head:pull/2586

PR: https://git.openjdk.org/jdk21u-dev/pull/2586