Fixing whitespace problems

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8

test/utilities/function.objects/arithmetic.operations/plus.pass.cpp

@@ -1 +1,24 @@
-//===----------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// plus
+
+#include <functional>
+#include <type_traits>
+#include <cassert>
+
+int main()
+{
+    typedef std::plus<int> F;
+    const F f = F();
+    static_assert((std::is_base_of<std::binary_function<int, int, int>, F>::value), "");
+    assert(f(3, 2) == 5);
+}