lto --pass-through option

[Alan Modra]

On Tue, Aug 05, 2014 at 09:29:44AM -0700, H.J. Lu wrote:
> On Mon, Aug 4, 2014 at 7:22 PM, Alan Modra <amodra@gmail.com> wrote:
> > I don't think current BFD ld has any need for this option, which was
> > invented before we implemented two passes over input files for LTO.
> >
> >         PR14918
> >         * plugin.c (plugin_opt_plugin_arg): Drop --pass-through.
> 
> Looks good to me.

Now committed.

-- 
Alan Modra
Australia Development Lab, IBM