Problem list until [JDK-8336926](https://bugs.openjdk.org/browse/JDK-8336926) is fixed to reduce the noise in testing.
------------- Commit messages: - Problem list jdk/internal/util/ReferencedKeyTest.java Changes: https://git.openjdk.org/jdk/pull/20488/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20488&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8337972 Stats: 2 lines in 1 file changed: 2 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/20488.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20488/head:pull/20488 PR: https://git.openjdk.org/jdk/pull/20488
