[jdk16] RFR: 8259574: SIGSEGV in BFSClosure::closure_impl

[Markus Grönlund]

Greetings,

please help review this small adjustment to get the JFR Memory Leak Profiler working again.

Testing: jdk_jfr

Thanks
Markus

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Commit messages:
 - 8259574: SIGSEGV in BFSClosure::closure_impl

Changes: https://git.openjdk.java.net/jdk16/pull/125/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk16&pr=125&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8259574
  Stats: 3 lines in 3 files changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk16/pull/125.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk16 pull/125/head:pull/125

PR: https://git.openjdk.java.net/jdk16/pull/125