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diff --git a/libstdc++-v3/testsuite/27_io/basic_stringbuf/overflow/wchar_t/2.cc b/libstdc++-v3/testsuite/27_io/basic_stringbuf/overflow/wchar_t/2.cc
new file mode 100644
index 00000000..ff5c0074
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_stringbuf/overflow/wchar_t/2.cc
@@ -0,0 +1,72 @@
+// 1999-10-11 bkoz
+
+// Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 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
+// .
+
+
+// 27.5.2 template class basic_streambuf
+
+#include
+#include
+#include
+
+// test03
+// http://gcc.gnu.org/ml/libstdc++/2000-q1/msg00151.html
+template >
+ class basic_nullbuf : public std::basic_stringbuf
+ {
+ protected:
+ typedef typename
+ std::basic_stringbuf::int_type int_type;
+ virtual int_type
+ overflow(int_type c)
+ { return traits::not_eof(c); }
+ };
+
+typedef basic_nullbuf nullbuf;
+
+template
+ wchar_t
+ print(const T& x)
+ {
+ nullbuf ob;
+ std::wostream out(&ob);
+ out << x << std::endl;
+ return (!out ? L'0' : L'1');
+ }
+
+void test03()
+{
+ bool test __attribute__((unused)) = true;
+ const std::wstring control01(L"11111");
+ std::wstring test01;
+
+ test01 += print(true);
+ test01 += print(3.14159);
+ test01 += print(10);
+ test01 += print(L'x');
+ test01 += print(L"pipo");
+
+ VERIFY( test01 == control01 );
+}
+
+int main()
+{
+ test03();
+ return 0;
+}