[AArch64] Fix gcc.target/aarch64/vect-reduc-or_1.c for -mcpu=cortex-a57

	* gcc.target/aarch64/vect-reduc-or_1.c: Add -fno-vect-cost-model to
	dg-options.

From-SVN: r234142

gcc/testsuite/ChangeLog

 2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
+	* gcc.target/aarch64/vect-reduc-or_1.c: Add -fno-vect-cost-model to
+	dg-options.
+
+2016-03-11  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
 	PR target/70002
 	PR target/69245
 	* gcc.target/aarch64/pr69245_2.c: New test.

gcc/testsuite/gcc.target/aarch64/vect-reduc-or_1.c

 /* { dg-do run } */
-/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-all" } */
+/* { dg-options "-O2 -ftree-vectorize -fdump-tree-vect-all -fno-vect-cost-model" } */
 /* Write a reduction loop to be reduced using whole vector right shift.  */
 
 extern void abort (void);