8209958: Clean up duplicate basic array type statics in Universe Reviewed-by: lfoltan, zgu

8210008: custom extension for make/SourceRevision.gmk Reviewed-by: erikj

8210088: ProblemList gc/epsilon/TestMemoryMXBeans.java Reviewed-by: kbarrett, jiangli

8209611: use C++ compiler for hotspot tests Reviewed-by: vlivanov, ihse, erikj, jcbeyler

8210108: sun/tools/jstatd test build failures after JDK-8210022 Reviewed-by: cjplummer, jcbeyler, mikael

8019927: [TESTBUG] nsk/jvmti/GetThreadInfo/thrinfo001 intermittently fails with 'invalid thread group' when running with JFR Reviewed-by: amenkov, cjplummer, sspitsyn

8209976: Improve iteration over non-JavaThreads Summary: Add NonJavaThread and move NamedThread iteration to new class. Reviewed-by: eosterlund, coleenp, rkennke

8209534: [TESTBUG]runtime/appcds/cacheObject/ArchivedModuleCompareTest.java fails with EnableJVMCI. Summary: Use TestCommon.execOff(). Reviewed-by: ccheung

8072498: Multi-thread JNI weak reference processing Summary: Add parallel processing support to WeakProcessor. Reviewed-by: tschatzl, sjohanss

8201224: Make string buffer size dynamic in mlvmJvmtiUtils.c Summary: Calculate the string size for the buffer first Reviewed-by: amenkov, sspitsyn, iklam

8209939: [testbug][ppc] Test SafepointPollingPages fails after 8208499 with UseSIGTRAP on. Reviewed-by: mdoerr, ghaug

8202578: Revisit location for class unload events Summary: Use notify_unload_class() to post JFR class unload events instead of doing a separate traversal of the class loader data graph Reviewed-by: lfoltan, coleenp, mgronlun, egahlin

8209894: ZGC: Cap number of GC workers based on heap size Reviewed-by: ehelin, tschatzl

8210022: remove jdk.testlibrary.ProcessThread, TestThread and XRun Reviewed-by: sspitsyn, jcbeyler