Merge unordered.

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


[SVN r57998]

test/unordered/erase_equiv_tests.cpp

@@ -6,6 +6,8 @@
 // The code for erasing elements from containers with equivalent keys is very
 // hairy with several tricky edge cases - so explicitly test each one.
 
+#include "../helpers/prefix.hpp"
+
 #include <boost/unordered_map.hpp>
 #include "../helpers/test.hpp"
 #include "../helpers/list.hpp"
@@ -15,6 +17,11 @@
 #include <boost/next_prior.hpp>
 #include "../objects/test.hpp"
 
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1400)
+#pragma warning(disable:4267) // conversion from 'size_t' to 'unsigned int',
+                              // possible loss of data.
+#endif
+
 struct write_pair_type
 {
     template <class X1, class X2>