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, 57 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/tr1/7_regular_expressions/match_results/ctors/char/default.cc b/libstdc++-v3/testsuite/tr1/7_regular_expressions/match_results/ctors/char/default.cc
new file mode 100644
index 000000000..9c28a0c86
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/7_regular_expressions/match_results/ctors/char/default.cc
@@ -0,0 +1,57 @@
+// { dg-do link }
+
+// 2007-03-12  Stephen M. Webb  <stephen.webb@bregmasoft.com>
+//
+// Copyright (C) 2007, 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/>.
+
+// tr1 [7.10.1] class template match_results constructor
+
+#include <tr1/regex>
+#include <testsuite_hooks.h>
+
+// Tests default constructor of the match_result class.  
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  typedef std::tr1::match_results<char*> test_type;
+
+  // default constructor
+  test_type m;
+  
+  // Check for required typedefs
+  typedef test_type::value_type      value_type;
+  typedef test_type::const_reference const_reference;
+  typedef test_type::reference       reference;
+  typedef test_type::const_iterator  const_iterator;
+  typedef test_type::iterator        iterator;
+  typedef test_type::difference_type difference_type;
+  typedef test_type::size_type       size_type;
+  typedef test_type::allocator_type  allocator_type;
+  typedef test_type::char_type       char_type;
+  typedef test_type::string_type     string_type;
+
+  VERIFY( m.size() == 0 );
+  VERIFY( m.str() == std::basic_string<char_type>() );
+}
+
+int
+main()
+{ 
+  test01();
+  return 0;
+};