stl_iterator.h: Add move_iterator operators overloads to make it robust to template abuses.

2010-12-07  François Dumont  <francois.cppdevs@free.fr>

	* include/bits/stl_iterator.h: Add move_iterator operators overloads
	to make it robust to template abuses.
	* testsuite/util/testsuite_greedy_ops.h: New.
	* testsuite/23_containers/vector/types/1.cc: Use latter.
	* testsuite/23_containers/deque/types/1.cc: Likewise.
	* testsuite/24_iterators/move_iterator/greedy_ops.cc: New.
	* testsuite/24_iterators/normal_iterator/greedy_ops.cc: New.
	* testsuite/24_iterators/reverse_iterator/greedy_ops.cc: New.
	* testsuite/20_util/weak_ptr/comparison/cmp_neg.cc: Adjust dg-error
	line numbers.

From-SVN: r167580