Bug 510973 - Missing source bundle for org.eclipse.swt.tools
Bug 534597 - Unanticipated comparator errors in I20180511-2000
Bug 572789 - Comparator errors in I20210412-1800 after moving to compiler from 4.20 M1
Bug 527899 [9] Implement JEP 280: Indify String Concatenation
https://github.com/eclipse-platform/eclipse.platform.releng.aggregator/issues/1659