--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/torture/pr66863.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,25 @@
+/* { dg-do run } */
+
+int a, b;
+
+int
+fn1 (int p1)
+{
+  if (p1 < -2147483647) 
+    return 0;
+  else 
+    return 1;
+}
+
+int
+fn2 (int p1, short p2)
+{
+  return p2 ? p1 % p2 : 0; 
+}
+
+int
+main ()
+{
+  b = fn2 (fn1 (a), a);
+  return 0;
+}