#include <boost/unordered_map.hpp>

int main()
{
	boost::unordered_map<int, int> myMap;

	myMap[1] = 2;

	return 0;
}

/*

CC -V
CC: Sun C++ 5.12 SunOS_i386 2011/11/16

With boost 1.49.0 headers in /path/to/include/boost:

CC unordered_map.cpp -I /path/to/include -library=stlport4

"../../../include/boost/unordered/detail/emplace_args.hpp", line 188: Error: Could not find a match for boost::tuples::get<boost::tuples::N, boost::tuples::HT, boost::tuples::TT>(const boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>) needed in boost::unordered::detail::construct_from_tuple<int, boost::tuples::null_type>(int*, const boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>&).
"../../../include/boost/unordered/detail/emplace_args.hpp", line 407:     Where: While instantiating "boost::unordered::detail::construct_from_tuple<int, boost::tuples::null_type>(int*, const boost::tuples::tuple<boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type, boost::tuples::null_type>&)".
"../../../include/boost/unordered/detail/emplace_args.hpp", line 407:     Where: Instantiated from boost::unordered::unordered_map<int, int, boost::hash<int>, std::equal_to<int>, std::allocator<std::pair<const int, int>>>::operator[](const int&).

*/