8230516: invalid html in jdwp-protocol.html Reviewed-by: dtitov, sspitsyn

8212117: Class.forName may return a reference to a loaded but not linked Class Reviewed-by: dholmes, mchung

8230526: jdk.internal.net.http.PlainProxyConnection is never reused by HttpClient Summary: fixed the PlainProxyConnection lookup key. Reviewed-by: chegar

8230723: Remove default constructors from java.lang and java.io Reviewed-by: bpb, rriggs

8177389: Hyphen "-" should be removed in URL class documentation Summary: javadoc of java.net.URL constructor updated to remove an unnecessary hyphen Reviewed-by: dfuchs

8230132: java/net/NetworkInterface/NetworkInterfaceRetrievalTests.java to skip Teredo Tunneling Pseudo-Interface Summary: The test is updated to skip Teredo pseudo interfaces on windows. Reviewed-by: michaelm, vtewari, aefimov Contributed-by: patrick.concannon@oracle.com

8230669: [s390] C1: assert(is_bound() || is_unused()) failed: Label was never bound to a location, but it was used as a jmp target Reviewed-by: phh, xliu

8230708: Hotspot fails to build on linux-sparc with gcc-9 Reviewed-by: dholmes, phh

JavaThread name

8230564: Remove os_ext.hpp Reviewed-by: coleenp, dholmes

8230563: Remove arguments_ext.cpp Reviewed-by: dholmes, coleenp

8230562: Remove g1HeapSizingPolicy_ext.cpp Reviewed-by: dholmes, sjohanss

8230561: Remove logTag_ext.hpp Reviewed-by: dholmes, coleenp

8224599: Remove globals_ext.hpp Reviewed-by: coleenp, kvn, gziemski, ehelin