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diff --git a/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc
new file mode 100644
index 00000000..2d520880
--- /dev/null
+++ b/libstdc++-v3/testsuite/22_locale/codecvt/max_length/wchar_t/3.cc
@@ -0,0 +1,47 @@
+// { 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>
+void test03()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+  typedef codecvt<wchar_t, char, mbstate_t> 	w_codecvt;
+
+  locale loc = locale("en_US.ISO-8859-15");
+  locale::global(loc);
+  const w_codecvt* 	cvt = &use_facet<w_codecvt>(loc); 
+
+  int k = cvt->max_length();
+  VERIFY( k == 1 ); // ISO-8859-15 is a single-byte encoding
+}
+
+int main ()
+{
+  test03();
+  return 0;
+}