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diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/discard_block/operators/equal.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/discard_block/operators/equal.cc
new file mode 100644
index 00000000..146b502a
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/discard_block/operators/equal.cc
@@ -0,0 +1,52 @@
+// 2006-06-19  Paolo Carlini  <pcarlini@suse.de>
+//
+// Copyright (C) 2006, 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/>.
+
+// 5.1.4.5 class template discard_block [tr.rand.eng.disc]
+// 5.1.1 Table 16
+
+#include <tr1/random>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::tr1;
+
+  discard_block
+    <
+    subtract_with_carry<long, (1 << 24), 10, 24>,
+    389, 24
+    > u, v;
+
+  VERIFY( u == v );
+  
+  for (int i = 0; i < 100; ++i)
+    {
+      u();
+      v();
+    }
+  VERIFY( u == v );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}