--- /dev/null
+//===----------------------------------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <algorithm>
+
+// template<InputIterator InIter1, InputIterator InIter2, typename OutIter,
+// CopyConstructible Compare>
+// requires OutputIterator<OutIter, InIter1::reference>
+// && OutputIterator<OutIter, InIter2::reference>
+// && Predicate<Compare, InIter1::value_type, InIter2::value_type>
+// && Predicate<Compare, InIter2::value_type, InIter1::value_type>
+// OutIter
+// set_union(InIter1 first1, InIter1 last1, InIter2 first2, InIter2 last2,
+// OutIter result, Compare comp);
+
+#include <algorithm>
+#include <cassert>
+#include <iterator>
+#include <vector>
+
+#include "MoveOnly.h"
+
+
+int main()
+{
+ std::vector<MoveOnly> lhs, rhs;
+ lhs.push_back(MoveOnly(2));
+ rhs.push_back(MoveOnly(2));
+
+ std::vector<MoveOnly> res;
+ std::set_union(std::make_move_iterator(lhs.begin()),
+ std::make_move_iterator(lhs.end()),
+ std::make_move_iterator(rhs.begin()),
+ std::make_move_iterator(rhs.end()), std::back_inserter(res));
+
+ assert(res.size() == 1);
+ assert(res[0].get() == 2);
+}