DW_FORM_GNU_ref_alt
case DW_FORM_GNU_ref_alt: /* 2013 GNU extension */
attrform != DW_FORM_GNU_ref_alt) {
case DW_FORM_GNU_ref_alt:
case DW_FORM_GNU_ref_alt: return DW_FORM_CLASS_REFERENCE;
case DW_FORM_GNU_ref_alt:
at_form == DW_FORM_GNU_ref_alt ||