diff --git a/include/boost/pending/iterator_tests.hpp b/include/boost/pending/iterator_tests.hpp
index 4be1044..5be7b0f 100644
--- a/include/boost/pending/iterator_tests.hpp
+++ b/include/boost/pending/iterator_tests.hpp
@@ -25,6 +25,8 @@
 # include <boost/type_traits.hpp>
 # include <boost/static_assert.hpp>
 # include <boost/concept_archetype.hpp> // for detail::dummy_constructor
+# include <boost/implicit_cast.hpp>
+# include <boost/type_traits/broken_compiler_spec.hpp>
 
 namespace boost {
 
@@ -38,6 +40,11 @@ struct dummyT {
   int m_x;
 };
 
+}
+
+BOOST_TT_BROKEN_COMPILER_SPEC(boost::dummyT)
+    
+namespace boost {
 
 // Tests whether type Iterator satisfies the requirements for a
 // TrivialIterator. 
@@ -211,10 +218,12 @@ void random_access_iterator_test(Iterator i, int N, TrueVals vals)
   const Iterator j = i;
   int c;
 
+  typedef typename boost::detail::iterator_traits<Iterator>::value_type value_type;
+  
   for (c = 0; c < N-1; ++c) {
     assert(i == j + c);
     assert(*i == vals[c]);
-    assert(*i == j[c]);
+    assert(*i == boost::implicit_cast<value_type>(j[c]));
     assert(*i == *(j + c));
     assert(*i == *(c + j));
     ++i;
@@ -228,7 +237,7 @@ void random_access_iterator_test(Iterator i, int N, TrueVals vals)
   for (c = 0; c < N-1; ++c) {
     assert(i == k - c);
     assert(*i == vals[N - 1 - c]);
-    assert(*i == j[N - 1 - c]);
+    assert(*i == boost::implicit_cast<value_type>(j[N - 1 - c]));
     Iterator q = k - c; 
     assert(*i == *q);
     assert(i > j);