diff --git a/include/ChangeLog b/include/ChangeLog
index 8927db596e..e3b1788110 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2012-05-02  Cary Coutant  <ccoutant@google.com>
+
+	* dwarf2.def: Remove DW_FORM_GNU_ref_index,
+	replace DW_AT_GNU_ref_base with DW_AT_GNU_ranges_base.
+
 2012-04-28  Doug Evans  <dje@google.com>
 
 	* dwarf2.def (DW_OP): Add DW_OP_GNU_addr_index.
diff --git a/include/dwarf2.def b/include/dwarf2.def
index 3ac3354c9e..e36ae919b2 100644
--- a/include/dwarf2.def
+++ b/include/dwarf2.def
@@ -203,7 +203,6 @@ DW_FORM (DW_FORM_exprloc, 0x18)
 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)
 DW_END_FORM
@@ -383,7 +382,7 @@ DW_AT (DW_AT_GNU_macros, 0x2119)
 /* 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)