2011-06-22 Daniel Krugler <daniel.kruegler@googlemail.com>

	    Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/move.h (__is_nothrow_swappable): Add.
	(swap(_Tp(&)[_Nm], _Tp(&)[_Nm])): Use noexcept.
	* include/bits/algorithmfwd.h: Adjust.
	* testsuite/25_algorithms/swap/noexcept.cc: New.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@175277 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 26 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/25_algorithms/swap/noexcept.cc b/libstdc++-v3/testsuite/25_algorithms/swap/noexcept.cc
new file mode 100644
index 00000000000..4d8c87aaede
--- /dev/null
+++ b/libstdc++-v3/testsuite/25_algorithms/swap/noexcept.cc
@@ -0,0 +1,26 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2011 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 <utility>
+
+static_assert(noexcept(std::swap(std::declval<int&>(),
+				 std::declval<int&>())), "Error");
+static_assert(noexcept(std::swap(std::declval<int(&)[5]>(),
+				 std::declval<int(&)[5]>())), "Error");