I've committed this trivial comment patch to src/include/dwarf2.def (and will shortly do the same in gcc/include).
-cary 2012-09-06 Cary Coutant <ccout...@google.com> include/ * dwarf2.def: Edit comment. diff --git a/include/dwarf2.def b/include/dwarf2.def index 3c3dfcc..7fe2df1 100644 --- a/include/dwarf2.def +++ b/include/dwarf2.def @@ -586,7 +586,7 @@ DW_OP (DW_OP_GNU_convert, 0xf7) 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. */