2009-12-24  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/stl_deque.h (copy_backward(_Deque_iterator,
	_Deque_iterator, _Deque_iterator), move_backward(_Deque_iterator,
	_Deque_iterator, _Deque_iterator)): Declare.
	* include/bits/deque.tcc: Implement the latter.
	* testsuite/performance/25_algorithms/
	copy_backward_deque_iterators.cc: New.
	* testsuite/25_algorithms/move_backward/deque_iterators/1.cc: Likewise.
	* testsuite/25_algorithms/copy_backward/deque_iterators/1.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
	Likewise.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/deque/requirements/dr438/
	constructor_2_neg.cc: Likewise.

From-SVN: r155455