[lworld] FYI: 8242454: [lworld] TestLWorld::test63 fails with "no exception thrown"

[Tobias Hartmann]

The merge from mainline that moved the fast_lock method accidentally removed a Valhalla specific change.

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Commit messages:
 - 8242454: [lworld] TestLWorld::test63 fails with "no exception thrown"

Changes: https://git.openjdk.java.net/valhalla/pull/16/files
 Webrev: https://webrevs.openjdk.java.net/valhalla/16/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8242454
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/valhalla/pull/16.diff
  Fetch: git fetch https://git.openjdk.java.net/valhalla pull/16/head:pull/16

PR: https://git.openjdk.java.net/valhalla/pull/16