--- /dev/null
+// 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/>.
+
+#include <algorithm>
+#include <iterator>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+struct no_assign
+{
+ int const x;
+ no_assign() : x(23) { }
+ operator int() const { return x; }
+};
+
+// libstdc++/26133
+void test01()
+{
+ bool test __attribute__((unused)) = true;
+ std::ostringstream oss1, oss2;
+
+ no_assign in[4];
+
+ std::unique_copy(in, in + 4, std::ostream_iterator<int>(oss1, "\n"));
+ VERIFY( oss1.str() == "23\n" );
+
+ std::unique_copy(in, in + 4, std::ostream_iterator<int>(oss2, "\n"),
+ std::equal_to<int>());
+ VERIFY( oss2.str() == "23\n" );
+}
+
+int main()
+{
+ test01();
+ return 0;
+}