RFR: 8357911: JFR: Fix subtle xor method tagging bug

[Markus Grönlund]

Greetings,

Please see problem description in JIRA issue.

Testing: jdk_jfr

Thanks
Markus

-------------

Commit messages:
 - 8357911

Changes: https://git.openjdk.org/jdk/pull/25484/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25484&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8357911
  Stats: 6 lines in 2 files changed: 3 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/25484.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25484/head:pull/25484

PR: https://git.openjdk.org/jdk/pull/25484