Index: boost/mpi/packed_iarchive.hpp
===================================================================
--- boost/mpi/packed_iarchive.hpp	(revision 86343)
+++ boost/mpi/packed_iarchive.hpp	(working copy)
@@ -155,7 +155,7 @@
 
 } } // end namespace boost::mpi
 
-BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(boost::mpi::packed_iarchive)
+// BOOST_BROKEN_COMPILER_TYPE_TRAITS_SPECIALIZATION(boost::mpi::packed_iarchive)
 BOOST_SERIALIZATION_REGISTER_ARCHIVE(boost::mpi::packed_iarchive)
 BOOST_SERIALIZATION_USE_ARRAY_OPTIMIZATION(boost::mpi::packed_iarchive)