8202763: failure_handler: list open files for macOS Reviewed-by: alanb

8195613: [SA] HotSpotTypeDataBase.readVMLongConstants truncates values to int Summary: Avoid truncation to int while reading in long constants from vmStructs. Modify ClhsdbLongConstant.java for truncation testing. Reviewed-by: dholmes, sspitsyn, cjplummer

8202016: Use obj+offset in interpreter array access Reviewed-by: adinn

8202708: Add a check of opening stream for not-existing UNC url Reviewed-by: rriggs