[Bug libstdc++/87135] [C++17] unordered containers violate iterator validity requirements

[fdumont at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87135

--- Comment #4 from François Dumont <fdumont at gcc dot gnu.org> ---
Author: fdumont
Date: Fri Sep 21 20:39:07 2018
New Revision: 264494

URL: https://gcc.gnu.org/viewcvs?rev=264494&root=gcc&view=rev
Log:
2018-09-21  François Dumont  <fdum...@gcc.gnu.org>

        PR libstdc++/87135
        * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
        Use __builtin_floor to compute _M_next_resize.
        * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
        * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
        Adapt.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/src/c++11/hashtable_c++0x.cc
   
trunk/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/71181.cc
   
trunk/libstdc++-v3/testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc