[Bug c++/89745] [[no_unique_address]] has no effect in some cases

[tower120 at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89745

tower120 <tower120 at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from tower120 <tower120 at gmail dot com> ---
Sorry, gcc behavior is correct. If empty types should are different - all ok:

    struct empty{};
    struct empty2{};
    using Data = void*;

    using P1 = alternative_pair<Data, empty>;
    using P2 = alternative_pair<P1, empty2>;