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
directory might differ from line-endings of the respective
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1 files changed, 124 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/util/regression/trait/assoc/node_update_trait.hpp b/libstdc++-v3/testsuite/util/regression/trait/assoc/node_update_trait.hpp
new file mode 100644
index 000000000..d971c1fb2
--- /dev/null
+++ b/libstdc++-v3/testsuite/util/regression/trait/assoc/node_update_trait.hpp
@@ -0,0 +1,124 @@
+// -*- C++ -*-
+
+// Copyright (C) 2005, 2006, 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/>.
+
+
+// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
+
+// Permission to use, copy, modify, sell, and distribute this software
+// is hereby granted without fee, provided that the above copyright
+// notice appears in all copies, and that both that copyright notice
+// and this permission notice appear in supporting documentation. None
+// of the above authors, nor IBM Haifa Research Laboratories, make any
+// representation about the suitability of this software for any
+// purpose. It is provided "as is" without express or implied
+// warranty.
+
+/**
+ * @file node_update_trait.hpp
+ * Contains traits for a random regression test
+ *    for a specific container type.
+ */
+
+#ifndef PB_DS_REGRESSION_TEST_NODE_UPDATOR_TRAIT_HPP
+#define PB_DS_REGRESSION_TEST_NODE_UPDATOR_TRAIT_HPP
+
+#include <ext/pb_ds/assoc_container.hpp>
+#include <common_type/assoc/detail/tree_supports_order_statistics.hpp>
+#include <common_type/assoc/detail/trie_supports_order_statistics.hpp>
+#include <common_type/assoc/detail/trie_supports_prefix_search.hpp>
+
+namespace __gnu_pbds
+{
+
+  namespace test
+  {
+
+    namespace detail
+    {
+
+      template<typename Cntnr, class Tag>
+      struct regression_test_node_update_traits
+      {
+	enum
+	  {
+	    order_statistics = false,
+	    prefix_search = false
+	  };
+      };
+
+      template<typename Cntnr>
+      struct regression_test_node_update_traits<
+	Cntnr,
+	__gnu_pbds::pat_trie_tag>
+      {
+	enum
+	  {
+	    order_statistics =
+            trie_supports_order_statistics<Cntnr>::value,
+	    prefix_search =
+            trie_supports_prefix_search<Cntnr>::value
+	  };
+      };
+
+      template<typename Cntnr>
+      struct regression_test_node_update_traits<
+	Cntnr,
+	__gnu_pbds::rb_tree_tag>
+      {
+	enum
+	  {
+	    order_statistics =
+            tree_supports_order_statistics<Cntnr>::value,
+	    prefix_search = false
+	  };
+      };
+
+      template<typename Cntnr>
+      struct regression_test_node_update_traits<
+	Cntnr,
+	__gnu_pbds::splay_tree_tag>
+      {
+	enum
+	  {
+	    order_statistics =
+            tree_supports_order_statistics<Cntnr>::value,
+	    prefix_search = false
+	  };
+      };
+
+      template<typename Cntnr>
+      struct regression_test_node_update_traits<
+	Cntnr,
+	__gnu_pbds::ov_tree_tag>
+      {
+	enum
+	  {
+	    order_statistics =
+            tree_supports_order_statistics<Cntnr>::value,
+	    prefix_search = false
+	  };
+      };
+
+    } // namespace detail
+
+  } // namespace test
+
+} // namespace __gnu_pbds
+
+#endif // #ifndef PB_DS_REGRESSION_TEST_NODE_UPDATOR_TRAIT_HPP