8003898: X11 toolkit can be chosen as the default toolkit
Summary: XToolkit is not selected for any values of system-wide environment variables (ex. DISPLAY).
Reviewed-by: anthony, art
7198904: (alt-rt) TreeMap.clone is broken
Summary: Test case for cr7198904. Issue only found in OracleJDK, but test case is valid for OpenJDK as well
Reviewed-by: mduigou, dholmes