Index: boost/spirit/home/phoenix/operator/io.hpp
===================================================================
--- boost/spirit/home/phoenix/operator/io.hpp	(revision 49602)
+++ boost/spirit/home/phoenix/operator/io.hpp	(working copy)
@@ -30,6 +30,21 @@
         return compose<shift_right_eval>(phoenix::ref(a0), a1);
     }
 
+    // resolve ambiguities with fusion.
+    template <typename T1>
+    inline typename detail::enable_if_ostream<std::ostream, T1>::type
+    operator<<(std::ostream& a0, actor<T1> const& a1)
+    {
+        return compose<shift_left_eval>(phoenix::ref(a0), a1);
+    }
+
+    template <typename T1>
+    inline typename detail::enable_if_istream<std::istream, T1>::type
+        operator>>(std::istream& a0, actor<T1> const& a1)
+    {
+        return compose<shift_right_eval>(phoenix::ref(a0), a1);
+    }
+
 ///////////////////////////////////////////////////////////////////////////////
 //
 //  overloads for I/O manipulators.
Index: libs/spirit/phoenix/test/operator/io_tests.cpp
===================================================================
--- libs/spirit/phoenix/test/operator/io_tests.cpp	(revision 49602)
+++ libs/spirit/phoenix/test/operator/io_tests.cpp	(working copy)
@@ -15,6 +15,8 @@
 #include <boost/spirit/include/phoenix_core.hpp>
 #include <boost/spirit/include/phoenix_operator.hpp>
 
+#include <boost/fusion/include/io.hpp>
+
 using namespace boost::phoenix;
 using namespace boost::phoenix::arg_names;
 using namespace std;
@@ -37,6 +39,7 @@
 
     (cout << val(hello) << world << ", you da man!\n")();
     for_each(v.begin(), v.end(), cout << arg1 << ',');
+    (cout << arg1 + 1)(i100);
 
     (cout << arg1 << "this is it, shukz:" << hex << arg2 << endl << endl)(msg, i100);