[jdk11u-dev] RFR: 8298108: Add a regression test for JDK-8297684

[Severin Gehwolf]

Clean backport. Adds another reg-test for the issue fixed with https://github.com/openjdk/jdk11u/pull/65 Fails without the fix, passes with it.

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Commit messages:
 - 8298108: Add a regression test for JDK-8297684

Changes: https://git.openjdk.org/jdk11u-dev/pull/1608/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1608&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8298108
  Stats: 181 lines in 3 files changed: 181 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1608.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1608/head:pull/1608

PR: https://git.openjdk.org/jdk11u-dev/pull/1608