return
	}
	list := fields.List
	j := 0
	for _, field := range list {
		keepField := false
		if n := len(field.Names); n == 0 {
			// anonymous field or embedded type or union element
			fname := r.recordAnonymousField(parent, field.Type)
			if fname != "" {
				if token.IsExported(fname) {
					keepField = true
				} else if ityp != nil && predeclaredTypes[fname] {