[PATCH] Test cases for PR77937

[Markus Trippelsdorf]

On 2016.10.13 at 22:04 +0200, Rainer Orth wrote:
> Hi Bill,
> 
> > Here are torture test cases for
> > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77937.  Markus Trippelsdorf
> > kindly provided the source for the tests and verified the correct
> > dejagnu options on x86_64-pc-linux-gnu.  Committed.
> >
> > Thanks,
> > Bill
> >
> >
> > 2016-10-13  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
> >
> > 	PR tree-optimization/77937
> > 	* gcc.dg/torture/pr77937-1.c: New.
> > 	* gcc.dg/torture/pr77937-2.c: New.
> >
> >
> > Index: gcc/testsuite/gcc.dg/torture/pr77937-1.c
> > ===================================================================
> > --- gcc/testsuite/gcc.dg/torture/pr77937-1.c	(revision 0)
> > +++ gcc/testsuite/gcc.dg/torture/pr77937-1.c	(working copy)
> > @@ -0,0 +1,14 @@
> > +/* { dg-do compile } */
> > +/* { dg-do options "-O3 -march=amdfam10" { target { x86_64-*-* } } } */
> 
> this can't be right: you always need target { i?86-*-* x86_64-*-* } and
> if really need be restrict it to 64-bit only with lp64.  This makes sure
> the test is run correctly for multilib x86 configurations
> (e.g. i686-pc-linux-gnu with -m64).  Same in the other test.

This was in part because of my sloppy review. Sorry.
I've committed the fix as obvious.

-- 
Markus