[jdk11u-dev] RFR: 8282937: Write a regression test for JDK-4820080

[Goetz Lindenmaier]

I backport this for parity with 11.0.17-oracle.

-------------

Commit messages:
 - Backport 849b19523a666bd2ec110876bfd5679b20be77f4

Changes: https://git.openjdk.org/jdk11u-dev/pull/1434/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1434&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8282937
  Stats: 205 lines in 1 file changed: 205 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1434.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1434/head:pull/1434

PR: https://git.openjdk.org/jdk11u-dev/pull/1434