Add <warnings>extra to test/Jamfile

test/throw_exception_test.cpp

@@ -4,10 +4,13 @@
 //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #include <boost/throw_exception.hpp>
-#include <boost/detail/lightweight_test.hpp>
-
+#include <boost/core/lightweight_test.hpp>
 #include <boost/config.hpp>
 
+#if defined(_MSC_VER)
+# pragma warning(disable: 4702) // unreachable code
+#endif
+
 class my_exception: public std::exception { };
 
 int