Index: test/std/containers/sequences/vector.bool/vector_bool.pass.cpp
===================================================================
--- test/std/containers/sequences/vector.bool/vector_bool.pass.cpp
+++ test/std/containers/sequences/vector.bool/vector_bool.pass.cpp
@@ -41,8 +41,8 @@
     {
     typedef std::vector<bool, min_allocator<bool>> T;
     typedef std::hash<T> H;
-    static_assert((std::is_base_of<std::unary_function<T, std::size_t>,
-                                   H>::value), "");
+    static_assert((std::is_same<H::argument_type, T>::value), "" );
+    static_assert((std::is_same<H::result_type, std::size_t>::value), "" );
     bool ba[] = {true, false, true, true, false};
     T vb(std::begin(ba), std::end(ba));
     H h;