On Mon, 2014-11-24 at 22:17 +0100, Mark Wielaard wrote:
> The following patch is needed to recognize the new DW_LANG constants
> that GCC 5 might emit as implemented by this GCC patch:
> https://gcc.gnu.org/ml/gcc-patches/2014-11/msg02852.html
> 
> Also added to https://fedorahosted.org/elfutils/wiki/DwarfExtensions
> 
> GCC 5 can emit these new DWARFv5 draft language constants. Handle them in
> dwarf_aggregate_size and dwarf_getfuncs. Also handle DW_LANG_Go in
> dwarf_aggregate_size (lower bound for array is zero for Go).

The GCC patch landed, so I have pushed this to elfutils git now.