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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2 files changed, 82 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/tr1/6_containers/hash/requirements/base_classes.cc b/libstdc++-v3/testsuite/tr1/6_containers/hash/requirements/base_classes.cc
new file mode 100644
index 000000000..f5883786c
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/6_containers/hash/requirements/base_classes.cc
@@ -0,0 +1,32 @@
+// { dg-do compile }
+
+// 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/>.
+
+#include <tr1/functional>
+
+void test01()
+{
+  // Check for required base class.
+  typedef long value_type;
+  typedef std::tr1::hash<value_type> test_type;
+  typedef std::unary_function<value_type, std::size_t> base_type;
+  
+  test_type b;
+  const test_type& obj = b;
+  const base_type* base __attribute__((unused)) = &obj;
+}
diff --git a/libstdc++-v3/testsuite/tr1/6_containers/hash/requirements/explicit_instantiation.cc b/libstdc++-v3/testsuite/tr1/6_containers/hash/requirements/explicit_instantiation.cc
new file mode 100644
index 000000000..462e929df
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/6_containers/hash/requirements/explicit_instantiation.cc
@@ -0,0 +1,50 @@
+// { dg-do compile }
+
+// 2005-02-17  Matt Austern  <austern@apple.com>
+//
+// 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/>.
+
+// 6.3.3 class template hash
+
+#include <string>
+#include <tr1/functional>
+
+using namespace std::tr1;
+
+// Verify that we can instantiate hash for every required type.
+template class hash<bool>;
+template class hash<char>;
+template class hash<signed char>;
+template class hash<unsigned char>;
+template class hash<short>;
+template class hash<int>;
+template class hash<long>;
+template class hash<unsigned short>;
+template class hash<unsigned int>;
+template class hash<unsigned long>;
+template class hash<float>;
+template class hash<double>;
+template class hash<long double>;
+template class hash<void*>;
+template class hash<std::string>;
+
+#ifdef _GLIBCXX_USE_WCHAR_T
+template class hash<wchar_t>;
+template class hash<std::wstring>;
+#endif
+