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diff --git a/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/6.cc b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/6.cc
new file mode 100644
index 00000000..96f34ccb
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/basic_ostream/inserters_arithmetic/wchar_t/6.cc
@@ -0,0 +1,51 @@
+// Copyright (C) 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/>.
+
+// { dg-do run { xfail lax_strtofp } }
+
+#include <cmath> // for abs
+#include <cfloat> // for DBL_EPSILON
+#include <sstream>
+#include <limits>
+#include <testsuite_hooks.h>
+
+// libstdc++/9151
+void
+test06()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+
+  int prec = numeric_limits<double>::digits10 + 2;
+  double oval = numeric_limits<double>::min();
+
+  wstringstream ostr;
+  ostr.precision(prec);
+  ostr << oval;
+  wstring sval = ostr.str();
+  wistringstream istr(sval);
+  double ival;
+  istr >> ival;
+  VERIFY( abs(oval-ival)/oval < DBL_EPSILON ); 
+}
+
+int 
+main()
+{
+  test06();
+  return 0;
+}