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From: "ppalka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/107188] using concept type-constraint declared in nested
 namespace causes incorrect compilation error
Date: Mon, 10 Oct 2022 13:55:35 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107188

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |ppalka at gcc dot g=
nu.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 =3D true;
}

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