8022887: Assertion hit while using class and redefining it with RedefineClasses simultaneously
Summary: Need to refetch each method from InstanceKlass after all safepoints. Removed leaky PreviousVersionInfo code.
Reviewed-by: dcubed, sspitsyn
8024517: runtime/CDSCompressedKPtrs/XShareAuto.java failed with RuntimeException
Summary: Make sure CDS is off by default when running server compiler.
Reviewed-by: dholmes, coleenp