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, 321 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/20_util/time_point/1.cc b/libstdc++-v3/testsuite/20_util/time_point/1.cc
new file mode 100644
index 000000000..e18c6e58c
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/time_point/1.cc
@@ -0,0 +1,48 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 20.8.4 Class template time_point [time.point]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.4.1 time_point constructors [time.point.cons]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  time_point<system_clock> t1;
+  VERIFY(t1.time_since_epoch() == system_clock::duration::zero());
+
+  time_point<monotonic_clock> t2;
+  VERIFY(t2.time_since_epoch() == monotonic_clock::duration::zero());
+
+  time_point<high_resolution_clock> t3;
+  VERIFY(t3.time_since_epoch() == high_resolution_clock::duration::zero());
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/time_point/2.cc b/libstdc++-v3/testsuite/20_util/time_point/2.cc
new file mode 100644
index 000000000..8aab7ac69
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/time_point/2.cc
@@ -0,0 +1,71 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 20.8.4 Class template time_point [time.point]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.4.3 time_point arithmetic [time.point.arithmetic]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  time_point<system_clock> t1, t2;
+  t1 += seconds(1);
+  VERIFY(t2.time_since_epoch() + seconds(1) == t1.time_since_epoch());
+  
+  t1 -= std::chrono::seconds(1);
+  VERIFY(t2.time_since_epoch() == t1.time_since_epoch());
+}
+
+// 20.8.4.5 time_point non-member arithmetic [time.point.nonmember]
+void
+test02()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  time_point<system_clock> t1;
+  time_point<system_clock> t2(t1 + seconds(1));
+  VERIFY(t2.time_since_epoch() == t1.time_since_epoch() + seconds(1));
+ 
+  time_point<system_clock> t3(seconds(1) + t1);
+  VERIFY(t3.time_since_epoch() == t1.time_since_epoch() + seconds(1));
+  
+  time_point<system_clock> t4(seconds(1));
+  time_point<system_clock> t5(seconds(2));
+  
+  time_point<system_clock> t6(t5 - seconds(1));
+  VERIFY(t6.time_since_epoch() == t4.time_since_epoch());
+  
+  time_point<system_clock> t7(t5 - t4);
+  VERIFY(t7.time_since_epoch() == t4.time_since_epoch());
+}
+
+int
+main()
+{
+  test01();
+  test02();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/time_point/3.cc b/libstdc++-v3/testsuite/20_util/time_point/3.cc
new file mode 100644
index 000000000..ebf75b12f
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/time_point/3.cc
@@ -0,0 +1,52 @@
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008, 2009 Free Software Foundation
+//
+// 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/>.
+
+// 20.8.4 Class template time_point [time.point]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.4.6 time_point comparisons [time.point.comparisons]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  time_point<system_clock> t1(seconds(1));
+  time_point<system_clock> t2(seconds(1));
+  time_point<system_clock> t3(seconds(2));
+  
+  VERIFY(t1 == t2);
+  VERIFY(t1 != t3);
+  VERIFY(t1 < t3);
+  VERIFY(t1 <= t3);
+  VERIFY(t1 <= t2);
+  VERIFY(t3 > t1);
+  VERIFY(t3 >= t1);
+  VERIFY(t2 >= t1);  
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/time_point/comparison_operators/constexpr.cc b/libstdc++-v3/testsuite/20_util/time_point/comparison_operators/constexpr.cc
new file mode 100644
index 000000000..427c51370
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/time_point/comparison_operators/constexpr.cc
@@ -0,0 +1,30 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010 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 <chrono>
+#include <testsuite_common_types.h>
+
+int main()
+{
+  using namespace std::chrono;
+  __gnu_test::constexpr_comparison_operators test;
+  test.operator()<time_point<system_clock>>();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/time_point/cons/constexpr.cc b/libstdc++-v3/testsuite/20_util/time_point/cons/constexpr.cc
new file mode 100644
index 000000000..d12d2f164
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/time_point/cons/constexpr.cc
@@ -0,0 +1,37 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010 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 <chrono>
+#include <testsuite_common_types.h>
+
+int main()
+{
+  using namespace std::chrono;
+
+  __gnu_test::constexpr_default_constructible test1;
+  test1.operator()<time_point<system_clock>>();
+
+  __gnu_test::constexpr_single_value_constructible test2;
+  test2.operator()<time_point<system_clock>, seconds>();
+  test2.operator()<time_point<system_clock, seconds>,
+		   time_point<system_clock, minutes>>();
+
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/time_point/requirements/constexpr_functions.cc b/libstdc++-v3/testsuite/20_util/time_point/requirements/constexpr_functions.cc
new file mode 100644
index 000000000..2beccd4ff
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/time_point/requirements/constexpr_functions.cc
@@ -0,0 +1,59 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010 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 <chrono>
+#include <testsuite_common_types.h>
+
+namespace __gnu_test
+{
+  struct constexpr_member_functions
+  {
+    template<typename _Ttesttype>
+      void
+      operator()()
+      {
+	struct _Concept
+	{
+	  void __constraint()
+	  {
+	    constexpr auto v1 __attribute__((unused))
+	      = _Ttesttype::min();
+	    constexpr auto v2 __attribute__((unused))
+	      = _Ttesttype::max();
+
+	    constexpr _Ttesttype obj;
+	    constexpr auto v3 __attribute__((unused))
+	      = obj.time_since_epoch();
+	  }
+	};
+
+	_Concept c;
+	c.__constraint();
+      }
+  };
+}
+
+int main()
+{
+  using namespace std::chrono;
+  __gnu_test::constexpr_member_functions test;
+  test.operator()<time_point<system_clock>>();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/20_util/time_point/requirements/explicit_instantiation/explicit_instantiation.cc b/libstdc++-v3/testsuite/20_util/time_point/requirements/explicit_instantiation/explicit_instantiation.cc
new file mode 100644
index 000000000..5c0455d65
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/time_point/requirements/explicit_instantiation/explicit_instantiation.cc
@@ -0,0 +1,24 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2008, 2009 Free Software Foundation
+//
+// 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 <chrono>
+
+template class std::chrono::time_point<std::chrono::system_clock>;