Update copyright years.

[thirdparty/gcc.git] / libstdc++-v3 / testsuite / 25_algorithms / set_union / constexpr.cc

diff --git a/libstdc++-v3/testsuite/25_algorithms/set_union/constexpr.cc b/libstdc++-v3/testsuite/25_algorithms/set_union/constexpr.cc
index 8782113738297d8bb701026724a20a55aa7d7bd6..52b3103013efc2f3275c15e009b6d7b47831c4c6 100644 (file)
--- a/libstdc++-v3/testsuite/25_algorithms/set_union/constexpr.cc
+++ b/libstdc++-v3/testsuite/25_algorithms/set_union/constexpr.cc
@@ -1,4 +1,4 @@
-// Copyright (C) 2019-2022 Free Software Foundation, Inc.
+// Copyright (C) 2019-2023 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
@@ -20,6 +20,7 @@
 
 #include <algorithm>
 #include <array>
+#include <functional>
 
 constexpr bool
 test()