[Bug libstdc++/87872] debug list::splice should not call _M_transfer_from_if on self-splices

[fdumont at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87872

--- Comment #4 from François Dumont <fdumont at gcc dot gnu.org> ---
Author: fdumont
Date: Tue Nov  6 20:20:06 2018
New Revision: 265851

URL: https://gcc.gnu.org/viewcvs?rev=265851&root=gcc&view=rev
Log:
2018-11-06  John Bytheway  <jbythe...@gmail.com>

        PR libstdc++/87872
        * include/debug/safe_sequence.tcc
        (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/debug/safe_sequence.tcc