8220254: fix headings in java.xml Reviewed-by: lancea

8221480: jcmd VM.metaspace shall print limits in basic mode Reviewed-by: adinn, rehn

8221351: Crash in KlassFactory::check_shared_class_file_load_hook Reviewed-by: dholmes, ccheung

8221118: Avoid eagerly creating JCDiagnostic for CompletionFailures Reviewed-by: jjg, mcimadamore, forax

8221435: Shenandoah should not mark through weak roots Reviewed-by: rkennke, shade

8221687: Deprecated j.u.jar.Attributes.Name attributes accidentally set to null Reviewed-by: alanb

8221688: Quarantine Shenandoah string dedup tests Reviewed-by: rkennke

8221408: Windows 32bit build build errors/warnings in hotspot Reviewed-by: kbarrett, dholmes

8221621: FindTests.gmk cannot handle "=" in TEST.groups comments Reviewed-by: erikj, dholmes

8220016: Clean up redundant RSA services in the SunJSSE provider Summary: Removed duplicated RSA signature/KF/KPG support in SunJSSE Reviewed-by: xuelei

8220632: Suggest recompiling with a larger value of -Xmaxerrs/-Xmaxwarns if diagnostics were suppressed Reviewed-by: jjg

8221153: ZGC: Heap iteration and verification pollutes GC statistics Reviewed-by: stefank, eosterlund

8221540: ZGC: Reduce width of zForwardingEntry::from_index field Reviewed-by: stefank, eosterlund

8221394: Clean up ConcurrentGCThread Reviewed-by: kbarrett, eosterlund