8211841: [testbug] sun/nio/cs/OLD/TestIBMDB.java does not compile (aix) Reviewed-by: alanb, goetz

8215889: assert(!_unloading) failed: This oop is not available to unloading class loader data with ZGC Reviewed-by: coleenp, neliasso

8216401: Allow "file:" URLs in Class-Path of local JARs Reviewed-by: alanb, mchung

8215549: Shenandoah deduplication cleans up table/queue twice Reviewed-by: rkennke

8215482: check for cycles in type variables can provoke NPE Reviewed-by: mcimadamore

8216308: StackTraceElement::fill_in can use injected Class source-file Reviewed-by: coleenp, dholmes

8216265: [testbug] Introduce Platform.sharedLibraryPathVariableName() and adapt all tests. Summary: Also cleanup some switches over OSes and use File.pathSeparator. Reviewed-by: dholmes, mdoerr

8216973: Kick up cleanup phases in the right places Reviewed-by: shade

8216478: Cleanup HttpResponseImpl back reference to HttpConnection Summary: Retain a reference to Exchange and HttpConnection only when necessary, i.e. for WebSocket initial connection. Reviewed-by: chegar

8199892: Missing landmarks when generating docs using html sources Reviewed-by: jjg

8213249: compiler/graalunit/HotspotTest.java failed in ExplicitExceptionTest Summary: Added -XX:-OmitStackTraceInFastThrow to test flags to avoid empty exception message. Reviewed-by: epavlova, iignatyev, dlong, kvn

8216560: gtest build broken on PPC64 and aarch64 Reviewed-by: shade

8215544: SA: Modify ClhsdbLauncher to add sudo privileges to enable MacOS tests on Mach5 Summary: Check if 'sudo' privileges can be added for executing macOS tests, and if so, add these privileges before executing the tests Reviewed-by: jcbeyler, phh, sballal

8214816: os::read() should not transition to _thread_blocked with safepoint check on Solaris Reviewed-by: jiangli, mgronlun