stl_iterator.h (reverse_iterator): Inherit from iterator.

stl_iterator.h (reverse_iterator): Inherit from iterator.

2001-06-22  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/stl_iterator.h (reverse_iterator): Inherit from
	iterator.
	(back_insert_iterator): Same.
	(front_insert_iterator): Same.
	(insert_iterator): Same.

	* testsuite/20_util/raw_storage_iterator.cc: Modify.
	* testsuite/24_iterators/reverse_iterator.cc: New file.
	* testsuite/24_iterators/back_insert_iterator.cc: New file.
	* testsuite/24_iterators/front_insert_iterator.cc: New file.
	* testsuite/24_iterators/insert_iterator.cc: New file.

From-SVN: r43524