--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tree-ssa/ldist-27.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,41 @@
+/* { dg-do run } */
+/* { dg-options "-O3 -ftree-loop-distribute-patterns -fdump-tree-ldist-details" } */
+
+#define M (300)
+#define N (200)
+
+struct st
+{
+  double a[M];
+  double b[M];
+  double c[M][N];
+};
+
+int __attribute__ ((noinline))
+foo (struct st *s)
+{
+  int i, j;
+  for (i = 0; i != M;)
+    {
+      s->a[i] = 0.0;
+      s->b[i] = 1.0;
+      for (j = 0; 1; ++j)
+	{
+	  if (j == N) goto L2;
+	  s->c[i][j] = 0.0;
+	}
+L2:
+      ++i;
+    }
+  return 0;
+}
+
+struct st s;
+
+int
+main (void)
+{
+  return foo (&s);
+}
+
+/* { dg-final { scan-tree-dump "distributed: split to " "ldist" } } */