For PR libgcj/7482:

	* verify.cc (ref_intersection): New class.
	(type_val): Removed unresolved_reference_type,
	uninitialized_unresolved_reference_type.
	(is_assignable_from_slow): Rewrote.
	(type::data): Removed.
	(type::klass): New field.
	(type::type): Added verifier argument.
	(type::resolve): Removed.
	(type::set_uninitialized): Updated for change to type_val.
	(type::set_initialized): Likewise.
	(type::isinitialized): Likewise.
	(type::print): Likewise.
	(construct_primitive_array_type): Likewise.
	(type::compatible): Updated for change to type_val and to use
	ref_intersection.
	(type::isarray): Updated to use ref_intersection.
	(type::isinterface): Likewise.
	(type::element_type): Likewise.
	(type::to_array): Likewise.
	(type::verify_dimensions): Rewrote.
	(type::merge): Likewise.
	(check_class_constant): Updated for type constructor change.
	(check_constant): Likewise.
	(check_field_constant): Likewise.
	(get_one_type): Likewise.
	(initialize_stack): Likewise.
	(verify_instructions_0): Likewise.
	(verify_instructions_0) [op_invokeinterface]: Removed special
	case.
	(isect_list): New field.
	(_Jv_BytecodeVerifier): Initialize it.
	(~_Jv_BytecodeVerifier): Destroy ref_intersection objects.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@69751 138bc75d-0d04-0410-961f-82ee72b054a4