1 files changed, 33 insertions, 0 deletions
diff --git a/gcc-4.9/libstdc++-v3/testsuite/20_util/duration/cons/dr974_neg.cc b/gcc-4.9/libstdc++-v3/testsuite/20_util/duration/cons/dr974_neg.cc
new file mode 100644
index 000000000..3e6b42b1d
--- /dev/null
+++ b/gcc-4.9/libstdc++-v3/testsuite/20_util/duration/cons/dr974_neg.cc
@@ -0,0 +1,33 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+// { dg-require-cstdint "" }
+
+// Copyright (C) 2009-2014 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/>.
+
+// 20.8.3.1 duration constructors [time.duration.cons]
+
+#include <chrono>
+
+// DR 974.
+void test01()
+{
+  using namespace std::chrono;
+
+  duration<double> d(3.5);
+  duration<int> i = d;  // { dg-error "conversion" }
+}