hg: jdk/sandbox: 8236604: Optimize SystemDictionary::resolve_well_known_classes for CDS

[chris.hegarty at oracle.com]

Changeset: f227e770495f
Author:    minqi
Date:      2020-02-28 15:30 -0800
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/f227e770495f

8236604: Optimize SystemDictionary::resolve_well_known_classes for CDS
Summary: Serialize SystemDictionary::_well_known_classes into CDS and quickly resolve them at runtime in vm startup stage.
Reviewed-by: iklam, coleenp

! src/hotspot/share/classfile/systemDictionary.cpp
! src/hotspot/share/classfile/systemDictionary.hpp
! src/hotspot/share/classfile/systemDictionaryShared.cpp
! src/hotspot/share/classfile/systemDictionaryShared.hpp
! src/hotspot/share/memory/metaspaceShared.cpp
! src/hotspot/share/oops/instanceKlass.cpp
! src/hotspot/share/oops/klass.cpp