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diff --git a/libstdc++-v3/testsuite/26_numerics/valarray/28277.cc b/libstdc++-v3/testsuite/26_numerics/valarray/28277.cc
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+++ b/libstdc++-v3/testsuite/26_numerics/valarray/28277.cc
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+// 2006-07-15  Paolo Carlini  <pcarlini@suse.de>
+
+// Copyright (C) 2006, 2009 Free Software Foundation
+//
+// 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 <valarray>
+#include <testsuite_hooks.h>
+
+// libstdc++/28277
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  const std::valarray<int> v1(1, 5000000);
+
+  const std::valarray<int> v2 = v1.shift(1);
+  VERIFY( v2.size() == v1.size() );
+  VERIFY( v2[v1.size() - 1] == 0 );
+
+  const std::valarray<int> v3 = v2.cshift(-1);
+  VERIFY( v3.size() == v2.size() );
+  VERIFY( v3[0] == 0 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}