--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/torture/pr87266-2.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,32 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-fno-tree-ccp -fno-tree-forwprop" } */
+
+void
+iw (int gu, int mq, int r2)
+{
+  int yn = 0;
+
+  while (gu < 1)
+    {
+      for (;;)
+        ;
+
+ bb:;
+      int ay = 0;
+
+      while (yn < 1)
+        ++mq;
+    }
+
+  if (yn != 0)
+    goto up;
+
+  if (0)
+    {
+ up:
+      if (r2 == 0)
+        goto bb;
+    }
+
+  goto up;
+}