[Bug libstdc++/80493] std::experimental::optional::swap is ill formed

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80493

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Thu May 18 14:35:45 2017
New Revision: 248216

URL: https://gcc.gnu.org/viewcvs?rev=248216&root=gcc&view=rev
Log:
PR libstdc++/80493 fix invalid exception specification

Backport from mainline
2017-04-24  Jonathan Wakely  <jwak...@redhat.com>

        PR libstdc++/80493
        * include/experimental/optional (optional::swap): Fix exception
        specification.

Modified:
    branches/gcc-6-branch/libstdc++-v3/ChangeLog
    branches/gcc-6-branch/libstdc++-v3/include/experimental/optional