Another GLIBC build error with GCC6

[Steve Ellcey]

On Wed, 2015-07-22 at 10:03 -0700, Paul Eggert wrote:
> Steve Ellcey wrote:
> > I can't seem to find it in my email, can you send it again?
> 
> One must read Andreas's messages carefully.  You could try the attached 
> (untested) patch, which implements his suggestion.

That seems to work fine for elf/dl-deps.c where we use DT_EXTRATAGIDX
with arguments of either DT_AUXILIARY or DT_FILTER but I see this
macro is also used in elf/get-dynamic-info.h, do we know what values
it may be given there because the macro isn't going to result in the
same results for all inputs.

Steve Ellcey
sellcey@imgtec.com