[testsuite] Fix gcc.dg/cse_recip.c for AArch64 after r257181.

2018-02-07  Christophe Lyon <christophe.lyon@linaro.org>

	PR tree-optimization/83008
	* gcc.dg/cse_recip.c: Add -fno-tree-slp-vectorize.

From-SVN: r257438

gcc/testsuite/ChangeLog

+2018-02-07  Christophe Lyon <christophe.lyon@linaro.org>
+
+	PR tree-optimization/83008
+	* gcc.dg/cse_recip.c: Add -fno-tree-slp-vectorize.
+
 2018-02-07  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/84235

gcc/testsuite/gcc.dg/cse_recip.c

 /* { dg-do compile } */
-/* { dg-options "-Ofast -fdump-tree-optimized-raw" } */
+/* { dg-options "-Ofast -fdump-tree-optimized-raw -fno-tree-slp-vectorize" } */
 
 void
 cse_recip (float x, float y, float *a)