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diff --git a/libstdc++-v3/testsuite/22_locale/locale/cons/unicode.cc b/libstdc++-v3/testsuite/22_locale/locale/cons/unicode.cc
new file mode 100644
index 00000000..546fb4e7
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/locale/cons/unicode.cc
@@ -0,0 +1,81 @@
+// { dg-require-iconv "ISO-8859-1" }
+
+// Copyright (C) 2006, 2007, 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/>.
+
+// 22.1.1.2 locale constructors and destructors [lib.locale.cons]
+
+#include <cwchar> // for mbstate_t
+#include <locale>
+#include <stdexcept>
+#include <typeinfo>
+#include <testsuite_hooks.h>
+#include <ext/codecvt_specializations.h>
+
+typedef std::codecvt<char, char, std::mbstate_t> 	      c_codecvt;
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+typedef std::codecvt<wchar_t, char, std::mbstate_t>	      w_codecvt;
+#endif
+
+class gnu_facet: public std::locale::facet
+{
+public:
+  static std::locale::id id;
+};
+
+std::locale::id gnu_facet::id;
+
+void test01()
+{
+  using namespace std;
+  typedef unsigned short       				int_type;
+  typedef char						ext_type;
+  typedef __gnu_cxx::encoding_state	       		state_type;
+  typedef codecvt<int_type, ext_type, state_type>	unicode_codecvt;
+
+  bool test __attribute__((unused)) = true;
+
+  // unicode_codecvt
+  locale loc01(locale::classic());
+  locale loc13(locale::classic(), new unicode_codecvt);  
+  VERIFY( loc01 != loc13 );
+  VERIFY( loc13.name() == "*" );
+  try 
+    {
+      VERIFY( has_facet<c_codecvt>(loc13) );
+#ifdef _GLIBCXX_USE_WCHAR_T
+      VERIFY( has_facet<w_codecvt>(loc13) );
+#endif
+      VERIFY( has_facet<unicode_codecvt>(loc13) );
+    }
+  catch(...)
+    { VERIFY( false ); }
+
+  try 
+    { use_facet<gnu_facet>(loc13); }
+  catch(bad_cast& obj)
+    { VERIFY( true ); }
+  catch(...)
+    { VERIFY( false ); }
+}
+
+int main()
+{
+  test01();
+  return 0;
+}