RFR: 8284779: Test java/util/logging/Logger/logrb/TestLogrbResourceBundle.java fails intermittently with vthreads wrapper

[Daniel Fuchs]

Hi,

Please find enclosed a patch to fix a rare intermittent failure that was detected while testing virtual thread.
The issue has nothing to do with virtual thread, the test is simply missing a reachability fence to make sure that the parent logger is not garbage collected until its child logger is created.

best regards,

-- daniel

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Commit messages:
 - 8284779: Test java/util/logging/Logger/logrb/TestLogrbResourceBundle.java fails intermittently with vthreads wrapper

Changes: https://git.openjdk.java.net/jdk/pull/8382/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8382&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8284779
  Stats: 7 lines in 1 file changed: 6 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8382.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8382/head:pull/8382

PR: https://git.openjdk.java.net/jdk/pull/8382