8072061: Automatically determine optimal sizes for the CDS regions
Summary: See new C++ class MetaspaceClosure.
Reviewed-by: coleenp, jiangli, mseledtsov

8183039: Re-examine methodHandle methods uninlined by 8144256
Summary: Add more const references so out-of-line methodHandle destructor and copy ctor called infrequently
Reviewed-by: hseigel, redestad

8176887: AOT: SIGSEGV in AOTCodeHeap::next when using specific configuration
Summary: Derive MethodCounters from Metadata
Reviewed-by: kvn, coleenp

8059606: Enable per-method usage of CompileThresholdScaling (per-method compilation thresholds)
Summary: Changed interpreter and compilation policies to allow using CompileThresholdScaling on a per-method level
Reviewed-by: jrose, kvn

8058184: Move _highest_comp_level and _highest_osr_comp_level from MethodData to MethodCounters
Summary: Tiered policy requires highest compilation levels always available
Reviewed-by: kvn, vlivanov

8032463: VirtualDispatch test timeout with DeoptimizeALot
Summary: Introduce code aging for warm method detection
Reviewed-by: kvn, twisti

8014912: Restore PrintSharedSpaces functionality after NPG
Summary: Added dumping of object sizes in CDS archive, sorted by MetaspaceObj::Type
Reviewed-by: coleenp, acorn

8010862: The Method counter fields used for profiling can be allocated lazily.
Summary: Allocate the method's profiling related metadata until they are needed.
Reviewed-by: coleenp, roland