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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1 files changed, 61 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/20_util/duration/arithmetic/2.cc b/libstdc++-v3/testsuite/20_util/duration/arithmetic/2.cc
new file mode 100644
index 000000000..3940d6a67
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/duration/arithmetic/2.cc
@@ -0,0 +1,61 @@
+// { 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/>.
+
+// 20.8.3 Class template duration [time.duration]
+
+#include <chrono>
+#include <testsuite_hooks.h>
+
+// 20.8.3.5 duration non-member arithmetic [time.duration.nonmember]
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::chrono;
+  
+  duration<int> d0(12);
+  duration<int> d1(3);
+  int i = 3;
+  
+  duration<int> d2 = d0 + d1;
+  VERIFY(d2.count() == 15);
+  
+  duration<int> d3 = d0 - d1;
+  VERIFY(d3.count() == 9);
+
+  duration<int> d4 = d0 * i;
+  VERIFY(d4.count() == 36);
+  
+  duration<int> d5 = i * d0;
+  VERIFY(d5.count() == 36);
+ 
+  duration<int> d6 = d0 / i;
+  VERIFY(d6.count() == 4);
+  
+  int j = d0 / d1;
+  VERIFY(j == 4);
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}