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diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc
new file mode 100644
index 00000000..ba49bd23
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-4.cc
@@ -0,0 +1,55 @@
+// { dg-require-namedlocale "" }
+
+// Copyright (C) 2003, 2005, 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/>.
+
+// 27.8.1.4 Overridden virtual functions
+
+#include <fstream>
+#include <locale>
+#include <testsuite_hooks.h>
+
+class Cvt : public std::codecvt<char, char, std::mbstate_t>
+{
+protected:
+  int do_encoding() const throw()
+  { return -1; }
+
+  bool do_always_noconv() const throw()
+  { return false; }
+};
+
+// libstdc++/13171
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+
+  filebuf fb;
+  fb.pubimbue(locale(locale("en_US"), new Cvt));
+  fb.open("tmp_13171-4", ios_base::out);
+  fb.pubimbue(locale("fr_FR"));
+  fb.sputc('N');
+  fb.pubsync();
+  fb.close();
+}
+
+int main()
+{
+  test01();
+  return 0;
+}