Merge unordered.

Warning fixes, support for incomplete types and tweak some test.


[SVN r57998]

test/exception/rehash_exception_tests.cpp

@@ -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)
 
+#include "../helpers/prefix.hpp"
+
 #include "./containers.hpp"
 #include <string>
 #include "../helpers/random_values.hpp"
@@ -28,7 +30,9 @@ struct rehash_test_base : public test::exception_base
         return x;
     }
 
-    void check(T const& x, strong_type const& strong) const {
+    void check BOOST_PREVENT_MACRO_SUBSTITUTION(T const& x,
+        strong_type const& strong) const
+    {
         std::string scope(test::scope);
 
         if(scope.find("hash::operator()") == std::string::npos &&