Missing vect_double in gcc.dg/vect/pr79920.c (PR83836)

2018-01-15  Richard Sandiford  <richard.sandiford@linaro.org>

gcc/testsuite/
	PR testsuite/79920
	* gcc.dg/vect/pr79920.c: Restrict reduction test to vect_double

From-SVN: r256698

gcc/testsuite/ChangeLog

+2018-01-15  Richard Sandiford  <richard.sandiford@linaro.org>
+
+	PR testsuite/79920
+	* gcc.dg/vect/pr79920.c: Restrict reduction test to vect_double
+
 2018-01-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	PR target/83687

gcc/testsuite/gcc.dg/vect/pr79920.c

@@ -41,5 +41,5 @@ int main()
   return 0;
 }
 
-/* { dg-final { scan-tree-dump-times {using an in-order \(fold-left\) reduction} 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times {using an in-order \(fold-left\) reduction} 1 "vect" { target vect_double } } } */
 /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target { vect_double && { vect_perm && vect_hw_misalign } } } } } */