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diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc
new file mode 100644
index 00000000..8f14ab07
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/imbue/char/13171-2.cc
@@ -0,0 +1,82 @@
+// { dg-require-namedlocale "" }
+// { dg-require-fork "" }
+// { dg-require-mkfifo "" }
+
+// Copyright (C) 2003, 2004, 2005, 2006, 2007, 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 <cstdlib>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+// No asserts, avoid leaking the semaphores if a VERIFY fails.
+#undef _GLIBCXX_ASSERT
+
+#include <testsuite_hooks.h>
+
+// libstdc++/13171
+bool test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+  using namespace __gnu_test;
+
+  locale loc_fr(locale("fr_FR"));
+  locale loc_en(locale("en_US"));
+
+  const char* name = "tmp_fifo_13171-2";
+  unlink(name);
+  mkfifo(name, S_IRWXU);
+  semaphore s1, s2;
+  
+  int child = fork();
+  if (child == 0)
+    {
+      filebuf fb;
+      fb.open(name, ios_base::out);
+      fb.sputc('S');
+      fb.pubsync();
+      s1.signal();
+      s2.wait();
+      fb.close();
+      exit(0);
+    }
+
+  filebuf fb;
+  fb.pubimbue(loc_fr);
+  fb.open(name, ios_base::in);
+  s1.wait();
+  VERIFY( fb.is_open() );
+  fb.pubimbue(loc_en);
+  filebuf::int_type c = fb.sgetc();
+  fb.close();
+  VERIFY( c == 'S' );
+  s2.signal();
+
+  return test;
+}
+
+int main()
+{
+  return !test01();
+}