diff --git a/test/bad_error_eg.cpp b/test/bad_error_eg.cpp
new file mode 100644
index 0000000..b737228
--- /dev/null
+++ b/test/bad_error_eg.cpp
@@ -0,0 +1,36 @@
+// Boost.Function library
+
+// Copyright (C) 2001 Doug Gregor (gregod@cs.rpi.edu)
+//
+// Permission to copy, use, sell and distribute this software is granted
+// provided this copyright notice appears in all copies.
+// Permission to modify the code and to distribute modified code is granted
+// provided this copyright notice appears in all copies, and a notice
+// that the code was modified is included with the copyright notice.
+//
+// This software is provided "as is" without express or implied warranty,
+// and with no claim as to its suitability for any purpose.
+
+// For more information, see http://www.boost.org
+
+#define BOOST_INCLUDE_MAIN
+#include <boost/test/test_tools.hpp>
+#include <boost/function.hpp>
+
+using namespace boost;
+
+class X {};
+
+int foo(X*);
+X* bar(double);
+
+int test_main(int, char* [])
+{
+  function<int, float> f(&foo);
+  f = &bar;
+  
+
+  BOOST_CRITICAL_ERROR("This should not have compiled.");
+
+  return 0;
+}