[Bug c++/71273] [6/7 Regression] not declared method in a namespace

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71273

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |rejects-valid
      Known to work|                            |5.3.0
   Target Milestone|---                         |6.2

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I think I've seen a dup recently.

using namespace Playlists;

causes a name lookup failure of ::Playlist as it is ambiguous
(class Playlist vs. namespace Playlist).  Appearantly there is a requirement
to resolve that ambiguity.