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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5 files changed, 217 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/copy.cc b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/copy.cc
new file mode 100644
index 000000000..98ea4fe03
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/copy.cc
@@ -0,0 +1,46 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2010-02-16  Paolo Carlini  <paolo.carlini@oracle.com>
+//
+// 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 <random>
+
+void
+test01()
+{
+  typedef unsigned long value_type;
+
+  std::mersenne_twister_engine<
+    value_type, 32, 624, 397, 31,
+    0x9908b0dful, 11,
+    0xfffffffful, 7,
+    0x9d2c5680ul, 15,
+      0xefc60000ul, 18, 1812433253ul> e(1);
+
+  const auto f(e);
+  auto g(f);
+  g = g; // Suppress unused warning.
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/default.cc b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/default.cc
new file mode 100644
index 000000000..be5716080
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/default.cc
@@ -0,0 +1,48 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2008-11-24  Edward M. Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 2008, 2009, 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 <random>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  typedef unsigned long value_type;
+
+  std::mersenne_twister_engine<
+    value_type, 32, 624, 397, 31,
+    0x9908b0dful, 11,
+    0xfffffffful, 7,
+    0x9d2c5680ul, 15,
+    0xefc60000ul, 18, 1812433253ul> x;
+
+  VERIFY( x.min() == 0 );
+  VERIFY( x.max() == 4294967295ul );
+  VERIFY( x() == 3499211612ul );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed1.cc b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed1.cc
new file mode 100644
index 000000000..cf24ffe13
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed1.cc
@@ -0,0 +1,41 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2008-11-24  Edward M. Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 2008, 2009, 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 <random>
+
+void
+test01()
+{
+  unsigned long seed = 2;
+  std::mersenne_twister_engine<
+    unsigned long, 32, 624, 397, 31,
+    0x9908b0dful, 11,
+    0xfffffffful, 7,
+    0x9d2c5680ul, 15,
+    0xefc60000ul, 18, 1812433253ul> x(seed);
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed2.cc b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed2.cc
new file mode 100644
index 000000000..425e5be7d
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed2.cc
@@ -0,0 +1,41 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2008-11-24  Edward M. Smith-Rowland <3dw4rd@verizon.net>
+//
+// Copyright (C) 2008, 2009, 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 <random>
+
+void
+test01()
+{
+  double seed = 2.0;
+  std::mersenne_twister_engine<
+    unsigned long, 32, 624, 397, 31,
+    0x9908b0dful, 11,
+    0xfffffffful, 7,
+    0x9d2c5680ul, 15,
+    0xefc60000ul, 18, 1812433253ul> x(seed);
+}
+
+int main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed_seq.cc b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed_seq.cc
new file mode 100644
index 000000000..aa98c9b93
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/random/mersenne_twister_engine/cons/seed_seq.cc
@@ -0,0 +1,41 @@
+// { dg-options "-std=c++0x" }
+// { dg-require-cstdint "" }
+//
+// 2010-02-01  Paolo Carlini  <paolo.carlini@oracle.com>
+//
+// 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 <random>
+
+void
+test01()
+{
+  std::seed_seq seed;
+  std::mersenne_twister_engine<
+    unsigned long, 32, 624, 397, 31,
+    0x9908b0dful, 11,
+    0xfffffffful, 7,
+    0x9d2c5680ul, 15,
+    0xefc60000ul, 18, 1812433253ul> x(seed);
+}
+
+int main()
+{
+  test01();
+  return 0;
+}