From 16715b9a889f7be53a45150366c16048a1fd0219 Mon Sep 17 00:00:00 2001
From: Eric Fiselier <eric@efcs.ca>
Date: Thu, 30 Jun 2016 04:28:12 +0000
Subject: [PATCH] Fix unary_function inheritance assumption. Patch from
 STL@microsoft.com

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@274205 91177308-0d34-0410-b5e6-96231b3b80d8
---
 .../std/containers/sequences/vector.bool/vector_bool.pass.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/std/containers/sequences/vector.bool/vector_bool.pass.cpp b/test/std/containers/sequences/vector.bool/vector_bool.pass.cpp
index d48efb973..4f82792fa 100644
--- a/test/std/containers/sequences/vector.bool/vector_bool.pass.cpp
+++ b/test/std/containers/sequences/vector.bool/vector_bool.pass.cpp
@@ -41,8 +41,8 @@ int main()
     {
     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;