obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 64 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc b/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc
new file mode 100644
index 000000000..e17cc5565
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc
@@ -0,0 +1,64 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-string-conversions "" }
+
+// 2009-11-11  Paolo Carlini  <paolo.carlini@oracle.com>
+
+// Copyright (C) 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/>.
+
+#include <string>
+#include <testsuite_hooks.h>
+
+// DR 1261. Insufficient overloads for to_string / to_wstring
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std;
+
+  const wstring one(to_wstring(-2));
+  VERIFY( one == L"-2" );
+
+  const wstring two(to_wstring(10u));
+  VERIFY( two == L"10" );
+
+  const wstring three(to_wstring(2l));
+  VERIFY( three == L"2" );
+
+  const wstring four(to_wstring(3000ul));
+  VERIFY( four == L"3000" );
+
+  const wstring five(to_wstring(7ll));
+  VERIFY( five == L"7" );
+
+  const wstring six(to_wstring(400ull));
+  VERIFY( six == L"400" );
+
+  const wstring seven(to_wstring(-1.0F));
+  VERIFY( seven == L"-1.000000" );
+
+  const wstring eight(to_wstring(2.0));
+  VERIFY( eight == L"2.000000" );
+
+  const wstring nine(to_wstring(-4.0L));
+  VERIFY( nine == L"-4.000000" );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}