[Bug c++/122550] [14/15/16 Regression] template friend function with a concept is ambiguous with gcc 14+

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122550

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|template friend function is |[14/15/16 Regression]
                   |ambiguous with g++ 14       |template friend function
                   |                            |with a concept is ambiguous
                   |                            |with gcc 14+
             Blocks|                            |67491
      Known to fail|                            |14.1.0
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1
   Target Milestone|---                         |13.5
           Keywords|                            |needs-bisection,
                   |                            |rejects-valid
   Last reconfirmed|                            |2025-11-04
      Known to work|                            |13.4.0

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed.


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67491
[Bug 67491] [meta-bug] concepts issues