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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4 files changed, 189 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/25_algorithms/find_end/1.cc b/libstdc++-v3/testsuite/25_algorithms/find_end/1.cc
new file mode 100644
index 000000000..ae1ee462a
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/find_end/1.cc
@@ -0,0 +1,56 @@
+// 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/>.
+
+// 25.1.3 [lib.alg.find.end]
+
+#include <algorithm>
+#include <testsuite_hooks.h>
+#include <testsuite_iterators.h>
+
+using __gnu_test::test_container;
+using __gnu_test::forward_iterator_wrapper;
+
+typedef test_container<int, forward_iterator_wrapper> Container;
+
+using std::find_end;
+
+void
+test1()
+{
+  int array[] = {0};
+  Container con1(array, array);
+  Container con2(array, array + 1);
+  VERIFY(find_end(con1.begin(), con1.end(), con1.begin(), con1.end()).ptr == array);
+  VERIFY(find_end(con1.begin(), con1.end(), con2.begin(), con2.end()).ptr == array);
+  VERIFY(find_end(con2.begin(), con2.end(), con1.begin(), con1.end()).ptr == array + 1);
+}
+
+void 
+test2()
+{
+  int array1[] = {2, 2, 1, 2, 2, 1};
+  int array2[] = {2, 2};
+  Container con1(array1, array1 + 6);
+  Container con2(array2, array2 + 2);
+  VERIFY(find_end(con1.begin(), con1.end(), con2.begin(), con2.end()).ptr == array1 + 3);
+}
+
+int main()
+{
+  test1();
+  test2();
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/find_end/check_type.cc b/libstdc++-v3/testsuite/25_algorithms/find_end/check_type.cc
new file mode 100644
index 000000000..21c722257
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/find_end/check_type.cc
@@ -0,0 +1,52 @@
+// 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/>.
+
+// 25.1.3 [lib.alg.find.end]
+
+// { dg-do compile }
+
+
+#include <algorithm>
+#include <testsuite_iterators.h>
+
+using __gnu_test::forward_iterator_wrapper;
+
+struct Lhs1 { };
+
+struct Rhs1 { };
+
+bool operator==(const Lhs1&, const Rhs1&) {return true;}
+
+struct X1 { };
+
+struct X2 { };
+
+bool predicate(const X1&, const X2&) {return true;}
+
+forward_iterator_wrapper<Lhs1>
+test1(forward_iterator_wrapper<Lhs1>& lhs1, 
+      forward_iterator_wrapper<Rhs1>& rhs1)
+{
+  return std::find_end(lhs1, lhs1, rhs1, rhs1);
+}
+
+forward_iterator_wrapper<X1>
+test2(forward_iterator_wrapper<X1>& x1,
+      forward_iterator_wrapper<X2>& x2)
+{
+  return std::find_end(x1, x1, x2, x2, predicate);
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/find_end/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/25_algorithms/find_end/requirements/explicit_instantiation/2.cc
new file mode 100644
index 000000000..9e7bc9c4e
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/find_end/requirements/explicit_instantiation/2.cc
@@ -0,0 +1,41 @@
+// { dg-do compile }
+
+// 2007-09-20 Benjamin Kosnik <bkoz@redhat.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/>.
+
+
+#include <algorithm>
+#include <functional>
+#include <testsuite_api.h>
+
+namespace std
+{
+  using __gnu_test::NonDefaultConstructible;
+
+  typedef NonDefaultConstructible 		value_type;
+  typedef value_type* 		iterator_type;
+  typedef std::pointer_to_binary_function<value_type, value_type, bool> predicate_type;
+
+  template iterator_type find_end(iterator_type, iterator_type,
+				  iterator_type, iterator_type);
+
+  template iterator_type find_end(iterator_type, iterator_type,
+				  iterator_type, iterator_type,
+				  predicate_type);
+} 
diff --git a/libstdc++-v3/testsuite/25_algorithms/find_end/requirements/explicit_instantiation/pod.cc b/libstdc++-v3/testsuite/25_algorithms/find_end/requirements/explicit_instantiation/pod.cc
new file mode 100644
index 000000000..c8bae11bd
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/find_end/requirements/explicit_instantiation/pod.cc
@@ -0,0 +1,40 @@
+// { dg-do compile }
+
+// 2007-09-20 Benjamin Kosnik <bkoz@redhat.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/>.
+
+
+#include <algorithm>
+#include <testsuite_character.h>
+
+namespace std
+{
+  using __gnu_test::pod_int;
+
+  typedef pod_int 		value_type;
+  typedef value_type* 		iterator_type;
+  typedef std::pointer_to_binary_function<value_type, value_type, bool> predicate_type;
+
+  template iterator_type find_end(iterator_type, iterator_type,
+				  iterator_type, iterator_type);
+
+  template iterator_type find_end(iterator_type, iterator_type,
+				  iterator_type, iterator_type,
+				  predicate_type);
+}