--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/graphite/pr83238.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,39 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -floop-parallelize-all" } */
+
+void
+vw (int *dk, int zd, int jb)
+{
+  int sq;
+  int *kv = &sq;
+
+  for (sq = 0; sq < 2; ++sq)
+    {
+      int u1;
+
+      for (u1 = 0; u1 < 5; ++u1)
+	if (zd == 0)
+	  return;
+    }
+
+  for (;;)
+    {
+      ++zd;
+      if (zd == 0)
+	while (jb != 0)
+	  kv = &jb;
+
+      while (*dk < 1)
+	{
+	  for (jb = 0; jb < 2; ++jb)
+	    {
+	    }
+	  ++*dk;
+	}
+
+      for (*kv = 0; *kv < 2; ++*kv)
+	for (*dk = 0; *dk < 2; ++*dk)
+	  {
+	  }
+    }
+}