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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9 files changed, 413 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/25_algorithms/max/1.cc b/libstdc++-v3/testsuite/25_algorithms/max/1.cc
new file mode 100644
index 000000000..978466f1b
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/1.cc
@@ -0,0 +1,43 @@
+// 2000-03-29 sss/bkoz
+
+// Copyright (C) 2000, 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/>.
+
+#include <algorithm>
+#include <functional>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  const int& x = std::max(1, 2);
+  const int& y = std::max(4, 3);
+  VERIFY( x == 2 );
+  VERIFY( y == 4 );
+
+  const int& xc = std::max(1, 2, std::greater<int>());
+  const int& yc = std::max(4, 3, std::greater<int>());
+  VERIFY( xc == 1 );
+  VERIFY( yc == 3 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/max/2.cc b/libstdc++-v3/testsuite/25_algorithms/max/2.cc
new file mode 100644
index 000000000..0752c8cce
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/2.cc
@@ -0,0 +1,77 @@
+// 2000-03-29 sss/bkoz
+
+// Copyright (C) 2000, 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/>.
+
+#include <algorithm>
+#include <functional>
+#include <testsuite_hooks.h>
+
+template<typename T> 
+  struct A { static const T a; };
+
+template<typename T>
+const T A<T>::a = T(3);
+
+void test02()
+{
+  bool test __attribute__((unused)) = true;
+
+  VERIFY( 3 == std::max(A<int>::a, 2) );
+  VERIFY( 4 == std::max(A<int>::a, 4) );
+
+  VERIFY( 3u == std::max(A<unsigned int>::a, 2u) );
+  VERIFY( 4u == std::max(A<unsigned int>::a, 4u) );
+
+  VERIFY( 3l == std::max(A<long>::a, 2l) );
+  VERIFY( 4l == std::max(A<long>::a, 4l) );
+
+  VERIFY( 3ul == std::max(A<unsigned long>::a, 2ul) );
+  VERIFY( 4ul == std::max(A<unsigned long>::a, 4ul) );
+
+#ifdef _GLIBCXX_USE_LONG_LONG
+  VERIFY( 3ll == std::max(A<long long>::a, 2ll) );
+  VERIFY( 4ll == std::max(A<long long>::a, 4ll) );
+
+  VERIFY( 3ull == std::max(A<unsigned long long>::a, 2ull) );
+  VERIFY( 4ull == std::max(A<unsigned long long>::a, 4ull) );
+#endif
+
+  VERIFY( short(3) == std::max(A<short>::a, short(2)) );
+  VERIFY( short(4) == std::max(A<short>::a, short(4)) );
+
+  VERIFY( (unsigned short)3 == std::max(A<unsigned short>::a, (unsigned short)2) );
+  VERIFY( (unsigned short)4 == std::max(A<unsigned short>::a, (unsigned short)4) );
+
+  VERIFY( (char)3 == std::max(A<char>::a, (char)2) );
+  VERIFY( (char)4 == std::max(A<char>::a, (char)4) );
+
+  VERIFY( (signed char)3 == std::max(A<signed char>::a, (signed char)2) );
+  VERIFY( (signed char)4 == std::max(A<signed char>::a, (signed char)4) );
+
+  VERIFY( (unsigned char)3 == std::max(A<unsigned char>::a, (unsigned char)2) );
+  VERIFY( (unsigned char)4 == std::max(A<unsigned char>::a, (unsigned char)4) );
+
+  VERIFY( (wchar_t)3 == std::max(A<wchar_t>::a, (wchar_t)2) );
+  VERIFY( (wchar_t)4 == std::max(A<wchar_t>::a, (wchar_t)4) );
+}
+
+int main()
+{
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/max/3.cc b/libstdc++-v3/testsuite/25_algorithms/max/3.cc
new file mode 100644
index 000000000..7025bb874
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/3.cc
@@ -0,0 +1,47 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2008, 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_hooks.h>
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  const int& x = std::max({1, 3, 2});
+  const int& y = std::max({4, 3, 2});
+  const int& z = std::max({3, 2, 4});
+  VERIFY( x == 3 );
+  VERIFY( y == 4 );
+  VERIFY( z == 4 );
+
+  const int& xc = std::max({1, 2, 3}, std::greater<int>());
+  const int& yc = std::max({4, 3, 2}, std::greater<int>());
+  const int& zc = std::max({2, 4, 3}, std::greater<int>());
+  VERIFY( xc == 1 );
+  VERIFY( yc == 2 );
+  VERIFY( zc == 2 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/max/37547.cc b/libstdc++-v3/testsuite/25_algorithms/max/37547.cc
new file mode 100644
index 000000000..91e010f9e
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/37547.cc
@@ -0,0 +1,39 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2008, 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 <vector>
+#include <testsuite_hooks.h>
+
+// libstdc++/37547
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::vector<int> v{1,2,3,4,5};
+
+  auto p = std::max({v});
+  VERIFY ( p == v );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/max/4.cc b/libstdc++-v3/testsuite/25_algorithms/max/4.cc
new file mode 100644
index 000000000..fdfa2e59f
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/4.cc
@@ -0,0 +1,54 @@
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2008, 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_hooks.h>
+
+void test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  const int& z = std::max({1, 2, 3, 4, 5, 6, 7});
+  const double& w = std::max({2.0, 1.0, 3.2, 4.5, 5.0, 6.0, 7.0});
+  const int& y = std::max({2, 3, 1, 4, 5, 6, 7});
+  const float& x = std::max({2.0f, 3.0f, 5.0f, 1.0f, 7.0f, 6.0f});
+  VERIFY( z == 7 );
+  VERIFY( w == 7.0 );
+  VERIFY( y == 7 );
+  VERIFY( x == 7.0f );
+  
+  const int& zc = std::max({1, 2, 3, 4, 5, 6, 7}, std::greater<int>());
+  const double& wc = std::max({2.0, 1.0, 3.2, 4.5, 5.0},
+			      std::greater<double>());
+  const int& yc = std::max({2, 7, 1, 4, 5, 6, 3}, std::greater<int>());
+  const float& xc = std::max({2.0f, 3.0f, 5.0f, 1.0f},
+			     std::greater<float>());
+
+  VERIFY( zc == 1 );
+  VERIFY( wc == 1.0 );
+  VERIFY( yc == 1 );
+  VERIFY( xc == 1.0f );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/2.cc
new file mode 100644
index 000000000..da5abece2
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/2.cc
@@ -0,0 +1,39 @@
+// { 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::less<value_type> compare_type;
+
+  template const value_type& max(const value_type&, const value_type&);
+
+  template const value_type& max(const value_type&, const value_type&,
+				 compare_type);
+} 
diff --git a/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/3.cc b/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/3.cc
new file mode 100644
index 000000000..e99f53990
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/3.cc
@@ -0,0 +1,38 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// 2008-09-16  Chris Fairles  <chris.fairles@gmail.com>
+
+// Copyright (C) 2008, 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::less<value_type> compare_type;
+
+  template value_type max(initializer_list<value_type>);
+  template value_type max(initializer_list<value_type>, compare_type);
+} 
diff --git a/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/pod.cc b/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/pod.cc
new file mode 100644
index 000000000..7c704367f
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/pod.cc
@@ -0,0 +1,38 @@
+// { 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::less<value_type> compare_type;
+
+  template const value_type& max(const value_type&, const value_type&);
+
+  template const value_type& max(const value_type&, const value_type&,
+				 compare_type);
+} 
diff --git a/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/pod2.cc b/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/pod2.cc
new file mode 100644
index 000000000..ae9322142
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/max/requirements/explicit_instantiation/pod2.cc
@@ -0,0 +1,38 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-do compile }
+
+// 2008-09-16  Chris Fairles  <chris.fairles@gmail.com>
+
+// Copyright (C) 2008, 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_character.h>
+
+namespace std
+{
+  using __gnu_test::pod_int;
+
+  typedef pod_int 		value_type;
+  typedef value_type* 		iterator_type;
+  typedef std::less<value_type> compare_type;
+
+  template value_type max(initializer_list<value_type>);
+  template value_type max(initializer_list<value_type>, compare_type);
+}