--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/vect/pr70138-2.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,33 @@
+#include "tree-vect.h"
+
+double u[33];
+
+__attribute__((noinline, noclone)) static void
+foo (int *x)
+{
+  double c = 0.0;
+  int a, b;
+  for (a = 0; a < 33; a++)
+    {
+      for (b = 0; b < 33; b++)
+	c = c + u[a];
+      u[a] *= 2.0;
+    }
+  *x = c;
+}
+
+int
+main ()
+{
+  int d, e;
+  check_vect ();
+  for (d = 0; d < 33; d++)
+    {
+      u[d] = (d + 2);
+      __asm__ volatile ("" : : : "memory");
+    }
+  foo (&e);
+  if (e != 33 * (2 + 34) / 2 * 33)
+    __builtin_abort ();
+  return 0;
+}