[Bug libstdc++/63456] unordered_map incorrectly frees _M_single_bucket. Patch Included

[fdumont at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63456

--- Comment #2 from François Dumont <fdumont at gcc dot gnu.org> ---
Author: fdumont
Date: Sun Oct  5 18:44:46 2014
New Revision: 215905

URL: https://gcc.gnu.org/viewcvs?rev=215905&root=gcc&view=rev
Log:
2014-10-05  François Dumont  <fdum...@gcc.gnu.org>

    PR libstdc++/63456
    * include/bits/hashtable.h (_M_uses_single_bucket(__bucket_type*)): Test
    the parameter.
    * testsuite/23_containers/unordered_set/63456.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/23_containers/unordered_set/63456.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/bits/hashtable.h