[jdk17u-dev] RFR: 8258734: jdk/jfr/event/oldobject/TestClassLoaderLeak.java failed with "RuntimeException: Could not find class leak"

[Amos Shi]

Backport of [JDK-8258734](https://bugs.openjdk.org/browse/JDK-8258734)

Testing
- Local: Test passed on `MacOS 14.6.1` on Apple M1 Max
  - Passed: `jdk/jfr/event/oldobject/TestClassLoaderLeak.java` 
- Pipeline: 
- Testing Machine:

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Commit messages:
 - Backport aefd4ac4a336f00c067bcb91b95472ccc9a6bf83

Changes: https://git.openjdk.org/jdk17u-dev/pull/2833/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2833&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8258734
  Stats: 7 lines in 1 file changed: 4 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2833.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2833/head:pull/2833

PR: https://git.openjdk.org/jdk17u-dev/pull/2833