RFR: 8277194: applications/runthese/RunThese30M.java crashes with jfrSymbolTable.cpp:305 assert(_instance != null)

[Markus Grönlund]

Greetings,

please help review this change set to add a missing enabled check for the event EventFinalizerStatistics, lack of which is causing problems when code not running a JFR recording is accessing uninitialized data as part of class unloading.

Testing: jdk_jfr

Thanks
Markus

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Commit messages:
 - 8277194

Changes: https://git.openjdk.java.net/jdk/pull/6611/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=6611&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8277194
  Stats: 3 lines in 1 file changed: 3 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/6611.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/6611/head:pull/6611

PR: https://git.openjdk.java.net/jdk/pull/6611