[jdk11u-dev] RFR: 8217475: Unexpected StackOverflowError in "process reaper" thread

[Andrew Lu]

I backport this for parity with 11.0.23-oracle.

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Commit messages:
 - Backport a376fb77201701e73b540713b4ce067c7c9e8642

Changes: https://git.openjdk.org/jdk11u-dev/pull/2341/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2341&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8217475
  Stats: 5 lines in 1 file changed: 4 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2341.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2341/head:pull/2341

PR: https://git.openjdk.org/jdk11u-dev/pull/2341