DW_FORM_flag
if (attr->ar_attribute_form == DW_FORM_flag) {
case DW_FORM_flag:
case DW_FORM_flag:
case DW_FORM_flag:
case DW_FORM_flag: return DW_FORM_CLASS_FLAG;
case DW_FORM_flag:
new_attr->ar_attribute_form = DW_FORM_flag;