[jdk8u-dev] RFR: 8282947: JFR: Dump on shutdown live-locks in some conditions

[Jiří Vaněk]

Reviewed-by: mgronlun

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Commit messages:
 - 8282947: JFR: Dump on shutdown live-locks in some conditions

Changes: https://git.openjdk.org/jdk8u-dev/pull/234/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk8u-dev&pr=234&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8282947
  Stats: 66 lines in 3 files changed: 62 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/jdk8u-dev/pull/234.diff
  Fetch: git fetch https://git.openjdk.org/jdk8u-dev pull/234/head:pull/234

PR: https://git.openjdk.org/jdk8u-dev/pull/234