[PATCH] Fix PR56605

[Bill Schmidt]

Eric, thanks -- fixed in trunk.  Looks like I've missed the window for
4.8.0.  Is this OK for backport once 4.8 opens up again?  (Copying
Richi/Jakub as well.)

Thanks,
Bill

On Mon, 2013-03-18 at 17:31 +0100, Eric Botcazou wrote:
> > 2013-03-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
> > 	    Steven Bosscher <steven@gcc.gnu.org>
> > 
> > 	PR rtl-optimization/56605
> > 	* loop-iv.c (implies_p): Handle equal RTXs and subregs.
> > 
> > gcc/testsuite:
> > 
> > 2013-03-13  Bill Schmidt  wschmidt@linux.vnet.ibm.com>
> > 
> > 	PR rtl-optimization/56605
> > 	* gcc.target/powerpc/pr56605.c: New.
> 
> OK, thanks.
>