The follwing methods in Class are native. Given the high overhead of calling
a native method, they should either be rewritten to cache their results, or
they should be intrinsified by the VM.

Class.isInterface()
Class.isArray()
Class.isPrimitive()
Class.getSuperclass()
Class.getInterfaces()
Class.getComponentType()
Class.getModifiers()
Class.getSigners()
Class.getDeclaringClass()