[jdk20] RFR: 8298919: Add a regression test for JDK-8298520

[Tobias Hartmann]

The fix for [JDK-8298520](https://bugs.openjdk.org/browse/JDK-8298520) does not include a regression test. In the meantime, the JavaFuzzer found one. Let's add a simplified version of it.

Thanks,
Tobias

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Commit messages:
 - 8298919: Add a regression test for JDK-8298520

Changes: https://git.openjdk.org/jdk20/pull/44/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=44&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8298919
  Stats: 57 lines in 1 file changed: 57 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk20/pull/44.diff
  Fetch: git fetch https://git.openjdk.org/jdk20 pull/44/head:pull/44

PR: https://git.openjdk.org/jdk20/pull/44