[Bug libstdc++/85183] [8 Regression] std::variant move assignment mishandles move-only types

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85183

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Tue Apr  3 23:03:07 2018
New Revision: 259059

URL: https://gcc.gnu.org/viewcvs?rev=259059&root=gcc&view=rev
Log:
PR libstdc++/85183 fix std::variant move-assignment

        PR libstdc++/85183
        * include/std/variant (_Move_assign_base::operator=): Fix incorrect
        value categories.
        * testsuite/20_util/variant/85183.cc: New.

Added:
    trunk/libstdc++-v3/testsuite/20_util/variant/85183.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/variant