re PR libstdc++/19433 (set, multiset, map, multimap misuse hint on insert)
2005-01-17 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/19433
* include/bits/stl_tree.h (_Rb_tree<>::insert_unique(iterator,
const _Val&), _Rb_tree<>::insert_equal(iterator, const _Val&)):
Obtain amortized constant complexity if t is inserted right after
p - not before p - as per Table 69.
* testsuite/performance/23_containers/set_insert_from_sorted.cc: New.