--- binutils.orig/include/dwarf2.def	2017-08-08 17:40:39.295382994 +0100
+++ binutils-2.27/include/dwarf2.def	2017-08-08 17:44:03.672045965 +0100
@@ -310,6 +310,7 @@ DW_AT (DW_AT_enum_class, 0x6d)
 DW_AT (DW_AT_linkage_name, 0x6e)
 /* DWARF 5.  */
 DW_AT (DW_AT_noreturn, 0x87)
+DW_AT (DW_AT_export_symbols, 0x89)
 
 DW_AT_DUP (DW_AT_lo_user, 0x2000) /* Implementation-defined range start.  */
 DW_AT_DUP (DW_AT_hi_user, 0x3fff) /* Implementation-defined range end.  */