* frame.h (struct frame_id): New fields stack_addr_p, code_addr_p

	* frame.h (struct frame_id): New fields stack_addr_p, code_addr_p
	and special_addr_p.
	(frame_id_build, frame_id_build_special): Update comments.
	(frame_id_build_wild): New prototype.
	* frame.c (frame_id_build, frame_id_build_special): Fill in new
	struct frame_id fields.
	(frame_id_build_wild): New function.
	(frame_id_eq, frame_id_inner): Use new struct frame_id fields.