are properly part of DWARF 5. */
DW_TAG (DW_TAG_GNU_call_site, 0x4109)
DW_TAG (DW_TAG_GNU_call_site_parameter, 0x410a)
-/* Extensions for UPC. See: http://upc.gwu.edu/~upc. */
+/* Extensions for UPC. See: http://dwarfstd.org/doc/DWARF4.pdf. */
DW_TAG (DW_TAG_upc_shared_type, 0x8765)
DW_TAG (DW_TAG_upc_strict_type, 0x8766)
DW_TAG (DW_TAG_upc_relaxed_type, 0x8767)
DW_FORM (DW_FORM_flag_present, 0x19)
DW_FORM (DW_FORM_ref_sig8, 0x20)
/* Extensions for Fission. See http://gcc.gnu.org/wiki/DebugFission. */
-DW_FORM (DW_FORM_GNU_ref_index, 0x1f00)
DW_FORM (DW_FORM_GNU_addr_index, 0x1f01)
DW_FORM (DW_FORM_GNU_str_index, 0x1f02)
+/* Extensions for DWZ multifile.
+ See http://www.dwarfstd.org/ShowIssue.php?issue=120604.1&type=open . */
+DW_FORM (DW_FORM_GNU_ref_alt, 0x1f20)
+DW_FORM (DW_FORM_GNU_strp_alt, 0x1f21)
DW_END_FORM
DW_FIRST_AT (DW_AT_sibling, 0x01)
/* Extensions for Fission. See http://gcc.gnu.org/wiki/DebugFission. */
DW_AT (DW_AT_GNU_dwo_name, 0x2130)
DW_AT (DW_AT_GNU_dwo_id, 0x2131)
-DW_AT (DW_AT_GNU_ref_base, 0x2132)
+DW_AT (DW_AT_GNU_ranges_base, 0x2132)
DW_AT (DW_AT_GNU_addr_base, 0x2133)
DW_AT (DW_AT_GNU_pubnames, 0x2134)
DW_AT (DW_AT_GNU_pubtypes, 0x2135)
+/* Attribute for discriminator.
+ See http://gcc.gnu.org/wiki/Discriminator */
+DW_AT (DW_AT_GNU_discriminator, 0x2136)
/* VMS extensions. */
DW_AT (DW_AT_VMS_rtnbeg_pd_address, 0x2201)
/* GNAT extensions. */
DW_OP (DW_OP_GNU_reinterpret, 0xf9)
/* The GNU parameter ref extension. */
DW_OP (DW_OP_GNU_parameter_ref, 0xfa)
-/* Extension for Fission. See http://gcc.gnu.org/wiki/DebugFission. */
+/* Extensions for Fission. See http://gcc.gnu.org/wiki/DebugFission. */
DW_OP (DW_OP_GNU_addr_index, 0xfb)
+DW_OP (DW_OP_GNU_const_index, 0xfc)
/* HP extensions. */
DW_OP_DUP (DW_OP_HP_unknown, 0xe0) /* Ouch, the same as GNU_push_tls_address. */
DW_OP (DW_OP_HP_is_value, 0xe1)