diff --git a/doc/changes.qbk b/doc/changes.qbk
index 4ca0814..c824e1a 100644
--- a/doc/changes.qbk
+++ b/doc/changes.qbk
@@ -3,6 +3,8 @@
  / Distributed under the Boost Software License, Version 1.0. (See accompanying
  / file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) ]
 
+[template ticket[number]'''<ulink url="https://svn.boost.org/trac/boost/ticket/'''[number]'''">'''#[number]'''</ulink>''']
+
 [section:changes Change Log]
 
 [h2 Boost 1.33.0]
@@ -160,4 +162,11 @@
 * [@https://svn.boost.org/trac/boost/ticket/7957 Ticket 7957]:
   Fixed a typo.
 
+[h2 Boost 1.55.0]
+
+* Simplify a SFINAE check so that it will hopefully work on Sun 5.9
+  ([ticket 8822]).
+* Suppress Visual C++ infinite loop warning ([ticket 8568]).
+
+
 [endsect]
diff --git a/include/boost/functional/hash/detail/hash_float.hpp b/include/boost/functional/hash/detail/hash_float.hpp
index 2ac22da..7c3de31 100644
--- a/include/boost/functional/hash/detail/hash_float.hpp
+++ b/include/boost/functional/hash/detail/hash_float.hpp
@@ -103,7 +103,8 @@ namespace boost
         template <typename Float>
         inline std::size_t float_hash_impl(Float v,
             BOOST_DEDUCED_TYPENAME boost::enable_if_c<
-                enable_binary_hash<Float, 24, 128>::value, int>::type)
+                enable_binary_hash<Float, 24, 128>::value,
+                std::size_t>::type)
         {
             return hash_binary((char*) &v, 4);
         }
@@ -112,7 +113,8 @@ namespace boost
         template <typename Float>
         inline std::size_t float_hash_impl(Float v,
             BOOST_DEDUCED_TYPENAME boost::enable_if_c<
-                enable_binary_hash<Float, 53, 1024>::value, int>::type)
+                enable_binary_hash<Float, 53, 1024>::value,
+                std::size_t>::type)
         {
             return hash_binary((char*) &v, 8);
         }
@@ -120,7 +122,8 @@ namespace boost
         template <typename Float>
         inline std::size_t float_hash_impl(Float v,
             BOOST_DEDUCED_TYPENAME boost::enable_if_c<
-                enable_binary_hash<Float, 64, 16384>::value, int>::type)
+                enable_binary_hash<Float, 64, 16384>::value,
+                std::size_t>::type)
         {
             return hash_binary((char*) &v, 10);
         }
@@ -128,12 +131,8 @@ namespace boost
         template <typename Float>
         inline std::size_t float_hash_impl(Float v,
             BOOST_DEDUCED_TYPENAME boost::enable_if_c<
-                std::numeric_limits<Float>::is_iec559 &&
-                std::numeric_limits<Float>::digits == 113 &&
-                std::numeric_limits<Float>::radix == 2 &&
-                std::numeric_limits<Float>::max_exponent == 16384,
-                int>::type
-            )
+                enable_binary_hash<Float, 113, 16384>::value,
+                std::size_t>::type)
         {
             return hash_binary((char*) &v, 16);
         }