2000-11-17 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
* include/bits/stl_tree.h: Overload operators == and != to be able
to handle the case (const_iterator,iterator) and
(iterator,const_iterator), thus fixing libstdc++/737 and the like.
* testsuite/23_containers/map_operators.cc (test02): New tests.
From-SVN: r37532
