--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/vect/pr40254.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,37 @@
+#include <stdarg.h>
+#include "tree-vect.h"
+
+struct s
+{
+  int *x;
+  int x1;
+  int x2;
+  int x3;
+  int *y;
+};
+
+struct s arr[64] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+
+__attribute__ ((noinline)) void
+foo (int i, int *in_x, int *in_y)
+{
+  arr[i].x = in_x;
+  arr[i].y = in_y;
+}
+
+int
+main (void)
+{
+  int a, b;
+
+  check_vect ();
+
+  foo (5, &a, &b);
+
+  if (arr[5].x != &a || arr[5].y != &b)
+    abort ();
+
+  return 0;
+}
+
+