[Bug c++/107188] using concept type-constraint declared in nested namespace causes incorrect compilation error

[ppalka at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107188

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |ppalka at gcc dot 
gnu.org
                 CC|                            |ppalka at gcc dot gnu.org
   Last reconfirmed|                            |2022-10-10
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |ASSIGNED

--- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Confirmed, not a regression.  Reduced:

namespace N {
  template<class, class> concept C = true;
}

struct X {
  N::C<int> auto f() { return 0; }
};