safe_iterator.h (_BeforeBeginHelper<>::_S_Is): Take only a const safe iterator reference.

safe_iterator.h (_BeforeBeginHelper<>::_S_Is): Take only a const safe iterator reference.

2013-11-08  François Dumont  <fdumont@gcc.gnu.org>

	* include/debug/safe_iterator.h (_BeforeBeginHelper<>::_S_Is):
	Take only a const safe iterator reference.
	(_BeforeBeginHelper<>::_S_Is_beginnest): Likewise.
	(__get_distance): Take only one type of iterator.
	(_Safe_iterator<>::_M_valid_range<>): Not template anymore.
	(_Safe_iterator<>::_M_get_sequence()): Return pointer to const
	sequence from a const_iterator and a pointer to sequence from an
	iterator.
	* include/debug/safe_iterator.tcc: Adapt.
	* include/debug/safe_local_iterator.h
	(_Safe_local_iterator<>::_M_valid_range<>): Not template anymore.
	(_Safe_local_iterator<>::_M_get_sequence()): Return pointer to
	const sequence from a const_iterator and a pointer to sequence
	from an iterator.
	* include/debug/safe_local_iterator.tcc: Adapt.
	* include/debug/forward_list
	(_BeforeBeginHelper<std::__debug::forward_list<>>): Adapt.

From-SVN: r204598