fixed problem reported by Neal Becker; added a test case

[SVN r39223]

test/shared_ptr.cpp

@@ -43,6 +43,7 @@ struct functions
     }
 
     static shared_ptr<T> get() { return storage; }
+    static shared_ptr<T> &get1() { return storage; }
         
     static int look_store()
     {
@@ -71,6 +72,8 @@ struct functions
             .staticmethod("identity")
             .def("null", &null)
             .staticmethod("null")
+            .def("get1", &get1, return_internal_reference<>())
+            .staticmethod("get1")
             .def("get", &get)
             .staticmethod("get")
             .def("count", &T::count)
@@ -154,6 +157,14 @@ shared_ptr<Y> factory(int n)
 
 // ------
 
+// from Neal Becker
+
+struct Test {
+  boost::shared_ptr<X> x;
+};
+// ------
+
+
 BOOST_PYTHON_MODULE(shared_ptr_ext)
 {
     class_<A, boost::shared_ptr<A_Wrapper>, boost::noncopyable>("A")
@@ -193,6 +204,12 @@ BOOST_PYTHON_MODULE(shared_ptr_ext)
             .def("value", &Z::value)
             .def("v", &Z::v, &ZWrap::default_v)
         );
+
+// from Neal Becker
+    class_<Test> ("Test")
+       .def_readonly ("x", &Test::x, "x") 
+       ;
+// ------
 }
 
 #include "module_tail.cpp"