https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78273
--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> --- Author: redi Date: Wed Jan 11 14:44:04 2017 New Revision: 244317 URL: https://gcc.gnu.org/viewcvs?rev=244317&root=gcc&view=rev Log: PR78273 fix count to work with partitioning function PR libstdc++/78273 * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume the heterogeneous comparison can only find one match. * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise. * testsuite/23_containers/map/operations/2.cc: Test count works with comparison function that just partitions rather than sorting. * testsuite/23_containers/set/operations/2.cc: Likewise. Modified: trunk/libstdc++-v3/ChangeLog trunk/libstdc++-v3/include/bits/stl_map.h trunk/libstdc++-v3/include/bits/stl_set.h trunk/libstdc++-v3/testsuite/23_containers/map/operations/2.cc trunk/libstdc++-v3/testsuite/23_containers/set/operations/2.cc