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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7 files changed, 322 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/20_util/allocator/1.cc b/libstdc++-v3/testsuite/20_util/allocator/1.cc
new file mode 100644
index 000000000..0e1024745
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/allocator/1.cc
@@ -0,0 +1,65 @@
+// 2001-06-14  Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2004, 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/>.
+
+// 20.4.1.1 allocator members
+
+#include <memory>
+#include <stdexcept>
+#include <cstdlib>
+#include <testsuite_hooks.h>
+
+struct gnu { };
+
+bool check_new = false;
+bool check_delete = false;
+
+void* 
+operator new(std::size_t n) throw(std::bad_alloc)
+{
+  check_new = true;
+  return std::malloc(n);
+}
+
+void operator delete(void *v) throw()
+{
+  check_delete = true;
+  return std::free(v);
+}
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+  std::allocator<gnu> obj;
+
+  // NB: These should work for various size allocation and
+  // deallocations.  Currently, they only work as expected for sizes >
+  // _MAX_BYTES as defined in stl_alloc.h, which happes to be 128. 
+  gnu* pobj = obj.allocate(256);
+  VERIFY( check_new );
+
+  obj.deallocate(pobj, 256);
+  VERIFY( check_delete );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
+
diff --git a/libstdc++-v3/testsuite/20_util/allocator/10378.cc b/libstdc++-v3/testsuite/20_util/allocator/10378.cc
new file mode 100644
index 000000000..f8a7f1ad3
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/allocator/10378.cc
@@ -0,0 +1,45 @@
+// Copyright (C) 2003, 2004, 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/>.
+
+// 20.1.5 allocator requirements / 20.4.1.1 allocator members
+
+#include <list>
+#include <cstdlib>
+#include <testsuite_hooks.h>
+
+class Bob
+{
+public:
+  static void* operator new(size_t sz)
+  { return std::malloc(sz); }
+};
+
+// libstdc++/10378
+void test01()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+
+  list<Bob> uniset;
+  uniset.push_back(Bob());
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/allocator/14176.cc b/libstdc++-v3/testsuite/20_util/allocator/14176.cc
new file mode 100644
index 000000000..c7442509d
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/allocator/14176.cc
@@ -0,0 +1,36 @@
+// Copyright (C) 2004, 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/>.
+
+// 20.4.1.1 allocator members
+
+#include <memory>
+#include <testsuite_hooks.h>
+
+// libstdc++/14176
+void test02()
+{
+  unsigned int len = 0;  
+  std::allocator<int> a;
+  int* p = a.allocate(len);
+  a.deallocate(p, len);
+}
+
+int main()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/allocator/33807.cc b/libstdc++-v3/testsuite/20_util/allocator/33807.cc
new file mode 100644
index 000000000..637bfcbae
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/allocator/33807.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 <list>
+
+// libstdc++/33807
+template <class T>
+bool operator != (const T& x, const T& y) { return !(x == y); }
+
+struct foo { };
+
+void fnx()
+{
+  std::list<foo> l1, l2;
+  l1 = l2;
+}
diff --git a/libstdc++-v3/testsuite/20_util/allocator/51626.cc b/libstdc++-v3/testsuite/20_util/allocator/51626.cc
new file mode 100644
index 000000000..951aa18fe
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/allocator/51626.cc
@@ -0,0 +1,66 @@
+// Copyright (C) 2011 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/>.
+
+// { dg-options "-std=gnu++0x" }
+
+#include <memory>
+#include <vector>
+#include <testsuite_hooks.h>
+
+int count = 0;
+
+template <class T>
+  struct allocator98 : std::allocator<T>
+  {
+    template <class U> struct rebind { typedef allocator98<U> other; };
+
+    allocator98() { }
+
+    template <class U> allocator98(const allocator98<U>&) { };
+
+    void construct(T* p, const T& val)
+    {
+      ++count;
+      std::allocator<T>::construct(p, val);
+    }
+  };
+
+template <class T>
+  struct allocator11 : std::allocator<T>
+  {
+    template <class U> struct rebind { typedef allocator11<U> other; };
+
+    allocator11() { }
+
+    template <class U> allocator11(const allocator11<U>&) { };
+
+    template<typename... Args>
+      void construct(T* p, Args&&... args)
+      {
+	++count;
+	std::allocator<T>::construct(p, std::forward<Args>(args)...);
+      }
+  };
+
+int main()
+{
+  std::vector< int, allocator98<int> > v98(1);
+  VERIFY( count == 0 );
+
+  std::vector< int, allocator11<int> > v11(1);
+  VERIFY( count == 1 );
+}
diff --git a/libstdc++-v3/testsuite/20_util/allocator/8230.cc b/libstdc++-v3/testsuite/20_util/allocator/8230.cc
new file mode 100644
index 000000000..e71f51d21
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/allocator/8230.cc
@@ -0,0 +1,53 @@
+// 2001-06-14  Benjamin Kosnik  <bkoz@redhat.com>
+
+// Copyright (C) 2001, 2002, 2004, 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/>.
+
+// 20.4.1.1 allocator members
+
+#include <memory>
+#include <stdexcept>
+#include <testsuite_hooks.h>
+
+// libstdc++/8230
+void test02()
+{
+  bool test __attribute__((unused)) = true;
+  try 
+    {
+      std::allocator<int> alloc;
+      const std::allocator<int>::size_type n = alloc.max_size();
+      int* p = alloc.allocate(n + 1);
+      p[n] = 2002;
+    } 
+  catch(const std::bad_alloc& e) 
+    {
+      // Allowed.
+      test = true;
+    }
+  catch(...) 
+    {
+      test = false;
+    }
+  VERIFY( test );
+}
+
+int main()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/allocator/requirements/explicit_instantiation/1.cc b/libstdc++-v3/testsuite/20_util/allocator/requirements/explicit_instantiation/1.cc
new file mode 100644
index 000000000..5ca0be4ab
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/allocator/requirements/explicit_instantiation/1.cc
@@ -0,0 +1,25 @@
+// { 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/>.
+
+
+// This file tests explicit instantiation of library containers.
+
+#include <memory>
+
+template class std::allocator<int>;