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diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/4.cc b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/4.cc
new file mode 100644
index 00000000..f40ec709
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/encoding/wchar_t/4.cc
@@ -0,0 +1,49 @@
+// { dg-require-namedlocale "" }
+
+// 2003-02-06  Petur Runolfsson  <peturr02@ru.is>
+
+// Copyright (C) 2003, 2005, 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/>.
+
+// 22.2.1.5 - Template class codecvt [lib.locale.codecvt]
+
+#include <locale>
+#include <testsuite_hooks.h>
+
+// Required instantiation
+// codecvt<wchar_t, char, mbstate_t>
+//
+// Test do_encoding with UTF-8 locale.
+void test04()
+{
+  using namespace std;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+  bool test __attribute__((unused)) = true;
+
+  locale loc = locale("en_US.UTF-8");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  int i = cvt->encoding();
+  VERIFY( i == 0 ); // UTF-8 is a stateless multibyte encoding
+}
+
+int main ()
+{
+  test04();
+  return 0;
+}