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diff --git a/libstdc++-v3/testsuite/27_io/basic_ostream/seekp/char/2346-sstream.cc b/libstdc++-v3/testsuite/27_io/basic_ostream/seekp/char/2346-sstream.cc
new file mode 100644
index 00000000..d0030eaf
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_ostream/seekp/char/2346-sstream.cc
@@ -0,0 +1,80 @@
+// 2000-06-29 bkoz
+
+// Copyright (C) 2000, 2001, 2002, 2003, 2004, 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/>.
+
+// 27.6.2.4  basic_ostream seek members  [lib.ostream.seeks]
+
+#include <ostream>
+#include <istream>
+#include <sstream>
+#include <testsuite_hooks.h>
+
+const char* s = " lootpack, peanut butter wolf, rob swift, madlib, quasimoto";
+const int times = 10;
+
+void write_rewind(std::iostream& stream)
+{
+  bool test __attribute__((unused)) = true;
+
+  for (int j = 0; j < times; j++) 
+    {
+      std::streampos begin = stream.tellp();
+      
+      for (int i = 0; i < times; ++i)
+	stream << j << '-' << i << s << '\n';
+      
+      stream.seekp(begin);
+    }
+  VERIFY( stream.good() );
+}
+
+void check_contents(std::iostream& stream)
+{
+  bool test __attribute__((unused)) = true;
+
+  stream.clear();
+  stream.seekg(0, std::ios::beg);
+  int i = 0;
+  int loop = times * times + 2;
+  while (i < loop)
+    {
+      stream.ignore(80, '\n');
+      if (stream.good())
+	++i;
+      else
+	break;
+    }
+  VERIFY( i == times );
+}
+
+// stringstream
+// libstdc++/2346
+// N.B. The original testcase was broken, using tellg/seekg in write_rewind.
+void test03()
+{	 
+  std::stringstream sstrm;
+
+  write_rewind(sstrm);
+  check_contents(sstrm);
+}
+
+int main()
+{
+  test03();
+  return 0;
+}