--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/shrink-wrap-sibcall.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -g" } */
+
+unsigned char a, b, d, f, g;
+
+int test (void);
+
+int
+baz (int c)
+{
+  if (c == 0) return test ();
+  if (b & 1)
+    {
+      g = 0;
+      int e = (a & 0x0f) - (g & 0x0f);
+
+      if (!a)  b |= 0x80;
+      a = e + test ();
+     f = g/5 + a*3879 + b *2985;
+    }
+   else
+   {
+     f = g + a*39879 + b *25;
+   }
+  return test ();
+}