1 files changed, 2 insertions, 1 deletions
diff --git a/test/support/MoveOnly.h b/test/support/MoveOnly.h
index a3e9cca89ee50..0ffb4ffe3b2fe 100644
--- a/test/support/MoveOnly.h
+++ b/test/support/MoveOnly.h
@@ -41,8 +41,9 @@ namespace std {
 
 template <>
 struct hash<MoveOnly>
-    : public std::unary_function<MoveOnly, std::size_t>
 {
+    typedef MoveOnly argument_type;
+    typedef size_t result_type;
     std::size_t operator()(const MoveOnly& x) const {return x.get();}
 };