re PR libstdc++/57619 (std::unordered_map and std::unordered_multimap::insert invoking std::pair move constructor)

2013-06-15  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/57619
	* include/bits/unordered_map.h (unordered_map<>::insert,
	unordered_multimap<>::insert): Use std::forward, not std::move.
	* testsuite/23_containers/unordered_map/insert/57619.C: New.
	* testsuite/23_containers/unordered_multimap/insert/57619.C: Likewise.

From-SVN: r200111