8223726: j.l.c.MethodTypeDesc spec should contain precise assertions for one parameter's methods Reviewed-by: darcy

8224043: Shenandoah: Remove clear_claimed_marks() from start of concurrent_traversal() Reviewed-by: shade

8224042: Add private alignDown method to MappedByteBuffer Summary: Use alignDown method to round addresses down to page boundary Reviewed-by: stuefe, mikael, alanb

8224018: test/jdk/java/net/ipv6tests/{Tcp,Udp}Test.java assume IPv4 is available Reviewed-by: dfuchs, chegar Contributed-by: aeubanks@google.com

8223442: java/nio/channels/SocketChannel/AdaptorStreams.java testConcurrentTimedReadWrite3(): failure Reviewed-by: michaelm

8223585: vmTestbase/runtime/pcl/* get SEGV in MetadataOnStackClosure::do_metadata(Metadata*)+0x0 Summary: adjust old method table by only one thread. Reviewed-by: kvn, jcbeyler, sspitsyn

8224031: Cannot parse switch expressions after type cast Summary: Correctly categorize parentheses followed by the switch keyword as cast. Reviewed-by: mcimadamore

8223438: add VirtualizationInformation JFR event Reviewed-by: clanger, egahlin

8223572: ~ThreadInVMForHandshake() should call handle_special_runtime_exit_condition() Reviewed-by: dcubed, rehn, dholmes

8224023: Redo the fix for ErrorFile option does not handle pre-existing error files of the same name Reviewed-by: clanger, dholmes

8223956: Make SymbolTable and StringTable AllStatic Summary: Removed superfluous and confusing _the_table pointer. Reviewed-by: gziemski, rehn

8222548: Upgrading JDK 13 with the latest available jQuery 3.4.1 Reviewed-by: hannesw