[Bug libstdc++/89608] Undetected iterator invalidations on unordered containers in debug mode

[fdumont at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89608

--- Comment #2 from François Dumont <fdumont at gcc dot gnu.org> ---
Author: fdumont
Date: Fri Mar  8 05:37:50 2019
New Revision: 269478

URL: https://gcc.gnu.org/viewcvs?rev=269478&root=gcc&view=rev
Log:
2019-03-08  François Dumont  <fdum...@gcc.gnu.org>

        PR libstdc++/89608
        * include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
        Invalidate all iterators in case of rehash.
        (unordered_multimap<>::_M_check_rehashed): Likewise.
        * include/debug/unordered_set
        (unordered_set<>::_M_check_rehashed): Likewise.
        (unordered_multiset<>::_M_check_rehashed): Likewise.
        * testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/23_containers/unordered_set/debug/89608_neg.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/debug/unordered_map
    trunk/libstdc++-v3/include/debug/unordered_set