[PATCH] fix PR testsuite/64145

[Jack Howarth]

    The attached patch fixes the regression in the
gcc/testsuite/gcc.dg/graphite/isl-codegen-loop-dumping.c testcase
caused by the accidental removal of -fgraphite-identity from
dg-options at r217315. Okay for gcc trunk?
                 Jack

2014-12-01      Jack Howarth  <howa...@bromo.med.uc.edu>
        
        PR testsuite/64145
        * gcc.dg/graphite/isl-codegen-loop-dumping.c: Restore 
-fgraphite-identity.

Index: gcc/testsuite/gcc.dg/graphite/isl-codegen-loop-dumping.c
===================================================================
--- gcc/testsuite/gcc.dg/graphite/isl-codegen-loop-dumping.c    (revision 
218285)
+++ gcc/testsuite/gcc.dg/graphite/isl-codegen-loop-dumping.c    (working copy)
@@ -1,4 +1,4 @@
-/* { dg-options "-O2 -fdump-tree-graphite-all" } */
+/* { dg-options "-O2 -fgraphite-identity -fdump-tree-graphite-all" } */
 
 int
 main (int n, int *a)