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diff --git a/libstdc++-v3/testsuite/20_util/function_objects/dr660.cc b/libstdc++-v3/testsuite/20_util/function_objects/dr660.cc
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+// 2007-08-02  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2007, 2009 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
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <functional>
+#include <testsuite_hooks.cc>
+
+// DR 660. Missing Bitwise Operations.
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  for (int i1 = 0; i1 < 1000; ++i1)
+    for (int i2 = 0; i2 < 1000; ++i2)
+      {
+	VERIFY( std::bit_and<int>()(i1, i2) == (i1 & i2) );
+	VERIFY( std::bit_or<int>()(i1, i2) == (i1 | i2) );
+	VERIFY( std::bit_xor<int>()(i1, i2) == (i1 ^ i2) );
+      }
+}
+
+int main()
+{
+  test01();
+  return 0;
+}