--- /dev/null
+// 1999-11-15 Kevin Ediger <kediger@licor.com>
+// test the floating point inserters (facet num_put)
+
+// Copyright (C) 1999, 2002, 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/>.
+
+// { 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();
+
+ stringstream ostr;
+ ostr.precision(prec);
+ ostr << oval;
+ string sval = ostr.str();
+ istringstream istr (sval);
+ double ival;
+ istr >> ival;
+ VERIFY( abs(oval-ival)/oval < DBL_EPSILON );
+}
+
+int
+main()
+{
+ test06();
+ return 0;
+}