id summary reporter owner description type status milestone component version severity resolution keywords cc 6905 bcp --namespace misses a boost namespace in emplace_args.hpp lukester_null@… Daniel James "Using bcp to create a custom namespace doesn't convert: BOOST_UNORDERED_CONSTRUCT_FROM_TUPLE(10, boost) Attaching a possible fix (only tried on VC++ 10 so far). Regards Luke Elliott. " Bugs closed To Be Determined unordered Boost 1.49.0 Problem fixed