[jdk23] RFR: 8333542: Breakpoint in parallel code does not work

[Coleen Phillimore]

Clean backport of JDK-8333542.  After this, we need a backport for JDK-8335134 to fix the test.

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Commit messages:
 - Backport b3bf31a0a08da679ec2fd21613243fb17b1135a9

Changes: https://git.openjdk.org/jdk/pull/19938/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19938&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333542
  Stats: 516 lines in 16 files changed: 339 ins; 129 del; 48 mod
  Patch: https://git.openjdk.org/jdk/pull/19938.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19938/head:pull/19938

PR: https://git.openjdk.org/jdk/pull/19938