8231355: Remove unused utility methods in libjava Reviewed-by: dholmes, jrose, alanb

8231753: use more Posix functionality in aix os::print_os_info Reviewed-by: clanger, dholmes

8231751: on aix handle Power 9 in os::get_summary_cpu_info Reviewed-by: clanger, mdoerr

8231977: Discuss serializability of collections Reviewed-by: darcy, plevart, chegar

8229243: SunPKCS11-Solaris provider tests failing on Solaris 11.4 Summary: For CK_GCM_PARAMS, try the spec definition first before falling back to the header file definition Reviewed-by: xuelei

8231289: Disentangle JvmtiRawMonitor from ObjectMonitor and clean it up Reviewed-by: sspitsyn, dcubed, coleenp

8231902: Build of jdk.internal.vm.compiler.management/module-info.java.extra failed Reviewed-by: kvn, ihse, erikj

8231630: Optimize boot loader with no bootclasspath append entry. Summary: Optimize SystemDictionary::load_instance_class for boot loader. Immediately return NULL if the requested class is either in the unnamed package or unnamed module, or in a module not defined to the boot loader, when there is no bootclasspath append entry. Reviewed-by: martin, aeubanks, dthomson, redestad, lfoltan, iklam

TestRecursive with Recording::start()

Stabilize TestLargeRootSet.java

8231946: Remove obsolete and unused ShenandoahVerifyObjectEquals flag Reviewed-by: rkennke

8231932: Shenandoah: conc/par GC threads ergonomics overrides user settings Reviewed-by: rkennke

8230043: Lazily load libverify 8230140: Remove unused mutex and monitor declarations Reviewed-by: hseigel, erikj, alanb, dholmes

8225694: Destination option missing in FlightRecorderMXBeanImpl Reviewed-by: egahlin