avoid boost compiler warnings

Author: chcg

boost/boost/python/converter/shared_ptr_from_python.hpp

@@ -49,16 +49,9 @@ struct shared_ptr_from_python
       new (storage) SP<T>();
     else
     {
-      void *const storage = ((converter::rvalue_from_python_storage<SP<T> >*)data)->storage.bytes;
-      // Deal with the "None" case.
-      if (data->convertible == source)
-        new (storage) SP<T>();
-      else
-      {
-        SP<void> hold_convertible_ref_count((void*)0, shared_ptr_deleter(handle<>(borrowed(source))) );
-        // use aliasing constructor
-        new (storage) SP<T>(hold_convertible_ref_count, static_cast<T*>(data->convertible));
-      }
+      SP<void> hold_convertible_ref_count((void*)0, shared_ptr_deleter(handle<>(borrowed(source))) );
+      // use aliasing constructor
+      new (storage) SP<T>(hold_convertible_ref_count, static_cast<T*>(data->convertible));
     }
     data->convertible = storage;
   }

boost/boost/python/object_call.hpp

@@ -15,8 +15,8 @@
     operator()(BOOST_PP_ENUM_BINARY_PARAMS_Z(1, N, A, const& a)) const
     {
         typedef typename detail::dependent<object, A0>::type obj;
-        U const& self = *static_cast<U const*>(this);
-        return call<obj>(get_managed_object(self, tag), BOOST_PP_ENUM_PARAMS_Z(1, N, a));
+        U const& self_local = *static_cast<U const*>(this);
+        return call<obj>(get_managed_object(self_local, tag), BOOST_PP_ENUM_PARAMS_Z(1, N, a));
     }
 
 #  undef N

boost/boost/python/raw_function.hpp

@@ -50,7 +50,7 @@ object raw_function(F f, std::size_t min_args = 0)
         objects::py_function(
             detail::raw_dispatcher<F>(f)
           , mpl::vector1<PyObject*>()
-          , min_args
+          , static_cast<int>(min_args)
           , (std::numeric_limits<unsigned>::max)()
         )
     );