--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tree-ssa/loop-interchange-4.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,52 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -floop-interchange -fdump-tree-linterchange-details" } */
+/* { dg-require-stack-size "8*111*1111" } */
+/* { dg-skip-if "too big stack" { avr-*-* visium-*-* } } */
+
+/* Copied from graphite/interchange-7.c */
+
+#define DEBUG 0
+#if DEBUG
+#include <stdio.h>
+#endif
+
+#define N 111
+#define M 1111
+
+static int __attribute__((noinline))
+foo (double *a)
+{
+  int i,j;
+  int r = 0;
+
+  for (i = 0; i < N; ++i)
+    for (j = 0; j < M; ++j)
+      r += a[j * N + i];
+
+  return r;
+}
+
+extern void abort ();
+
+int
+main (void)
+{
+  double A[N*M];
+  int i, res;
+
+  for (i = 0; i < N*M; i++)
+    A[i] = 2;
+
+  res = foo (A);
+
+#if DEBUG
+  fprintf (stderr, "res = %d \n", res);
+#endif
+
+  if (res != 246642)
+    abort ();
+
+  return 0;
+}
+
+/* { dg-final { scan-tree-dump-times "Loop_pair<outer:., inner:.> is interchanged" 1 "linterchange" { xfail *-*-* } } } */