DW_FORM_GNU_str_index
if( attrform != DW_FORM_GNU_str_index) {
attrform == DW_FORM_GNU_str_index ||
case DW_FORM_GNU_str_index:
case DW_FORM_GNU_str_index:
case DW_FORM_GNU_str_index:
case DW_FORM_GNU_str_index: return DW_FORM_CLASS_STRING;
case DW_FORM_GNU_str_index: {
at_form == DW_FORM_GNU_str_index ||