Bug 521182 - [compiler] method reference on null object should throw NPE at runtime (JLS compliance)
Bug 566471 - I20200828-0150 - Comparator Errors Found
https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues/1184
https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues/1659
https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues/1923