RFR: 8311902: Concurrency regression in the PBKDF2 key impl of SunJCE provider

Thu Jul 13 02:53:29 UTC 2023

This change adds back the Reference.ReachabilityFence(Object) call removed by [JDK-8301553](https://bugs.openjdk.org/browse/JDK-8301553).

Please help review.
Thanks!
Valerie

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Commit messages:
 - 8311902: Concurrency regression in the PBKDF2 key impl of SunJCE provider

Changes: https://git.openjdk.org/jdk/pull/14859/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14859&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311902
  Stats: 6 lines in 1 file changed: 5 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/14859.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14859/head:pull/14859

PR: https://git.openjdk.org/jdk/pull/14859