[Bug c++/110291] [11/12/13/14 Regression] constraint on friend operator template causes bizarre duplication of RHS template parameter that is passed to the requires expression

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110291

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |11.5
            Summary|[11.1 Regression]           |[11/12/13/14 Regression]
                   |constraint on friend        |constraint on friend
                   |operator template causes    |operator template causes
                   |bizarre duplication of RHS  |bizarre duplication of RHS
                   |template parameter that is  |template parameter that is
                   |passed to the requires      |passed to the requires
                   |expression                  |expression
           Keywords|                            |rejects-valid