Get rid of underscore.c

[Hans-Peter Nilsson]

On 12 Sep 2002, Nick Clifton wrote:
> > > This has just broken binutils builds.  Binutils currently builds its own
> > > copy of cxxfilt and now it has no main function.
> >
> > My recommendation is to drop cxxfilt from binutils.  Patch appended.
>
> Err that seems a little bit draconian to me.  Why shouldn't the
> binutils package provide a C++ demangler.  (Answer: because G++ now
> does so).

Don't forget that the C++-demangler can also demangle other
mangling formats than that of g++ ("those", when considering
pre-V3 versions), so it makes sense to distribute it as a
program elsewhere than in GCC.  Preferrably in binutils...

brgds, H-P