[Bug libstdc++/77334] [5/6/7 Regression] Cannot move assign std::map with non-copyable and non-movable mapped_type

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77334

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Tue Aug 23 14:21:16 2016
New Revision: 239702

URL: https://gcc.gnu.org/viewcvs?rev=239702&root=gcc&view=rev
Log:
libstdc++/77334 move assign RB trees of non-copyable types

        PR libstdc++/77334
        * include/bits/stl_tree.h (_Rb_tree::_M_move_assign): New functions.
        (_Rb_tree::operator=(_Rb_tree&&)): Dispatch to _M_move_assign.
        * testsuite/23_containers/map/77334.cc: New test.

Added:
    branches/gcc-6-branch/libstdc++-v3/testsuite/23_containers/map/77334.cc
Modified:
    branches/gcc-6-branch/libstdc++-v3/ChangeLog
    branches/gcc-6-branch/libstdc++-v3/include/bits/stl_tree.h