RFR: 8309675: Generational ZGC: compiler/gcbarriers/UnsafeIntrinsicsTest.java fails in nmt_commit

[Stefan Karlsson]

8309675: Generational ZGC: compiler/gcbarriers/UnsafeIntrinsicsTest.java fails in nmt_commit

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

Commit messages:
 - Backport c4e6542514be19cebb41a0c390645db0a191504f

Changes: https://git.openjdk.org/jdk21/pull/2/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21&pr=2&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8309675
  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk21/pull/2.diff
  Fetch: git fetch https://git.openjdk.org/jdk21.git pull/2/head:pull/2

PR: https://git.openjdk.org/jdk21/pull/2