8221709: replace use of style blockListLast Reviewed-by: jjg

8220238: Enhancing j.l.Runtime/System::gc specification with an explicit 'no guarantee' statement Reviewed-by: shade, dholmes, mchung, plevart

8225342: Shenandoah: use COMPILER2_OR_JVMCI macro consistently Reviewed-by: zgu

8225341: Shenandoah: CM::update_thread_roots() needs to handle derived pointers Reviewed-by: shade

8225037: java.net.JarURLConnection::getJarEntry() throws NullPointerException Reviewed-by: coffeys, vtewari

8224580: Matcher can cause oop field/array element to be reloaded Reviewed-by: neliasso, rkennke, dlong

8225214: Socket.getOption(SocketOption) not returning the expected type for the StandardSocketOptions.SO_LINGER Reviewed-by: alanb

8222103: [testbug] compiler/compilercontrol/jcmd/ClearDirectivesFileStackTest may exceed VM limit Reviewed-by: iignatyev, mdoerr Contributed-by: peter.januschke@sap.com

8225084: gc/z/TestHighUsage.java fails with unexpected allocation stall Reviewed-by: eosterlund

8224965: ZGC: Strengthen ZHeap::is_in() Reviewed-by: eosterlund

8224962: ZGC: Strengthen ZHeap::is_oop() Reviewed-by: eosterlund

8224240: Properties.load fails to throw IAE on malformed unicode in certain circumstances Reviewed-by: smarks, rriggs, dfuchs

8225179: (regex) Minor Pattern cleanup Reviewed-by: igerasim

8225229: Shenandoah: trim down default number of GC threads Reviewed-by: rkennke