class Font : AssignValueTypeNo<Font, FONT_V, Moveable<Font> >{
	union {
		int64 data;
		struct {
			word  face;
			word  flags;
			int16 height;
			int16 width;
		} v;
	};
...

	Font()  { data=0; } // that's the whole point why
                            // a union is introduced IMHO