[Bug c++/104606] [11/12 Regression] comparison operator resolution with std::optional and -std=c++20

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104606

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|libstdc++                   |c++
   Target Milestone|---                         |11.3
           Keywords|                            |rejects-valid
            Summary|Regression in comparison    |[11/12 Regression]
                   |operator resolution with    |comparison operator
                   |std::optional               |resolution with
                   |                            |std::optional and
                   |                            |-std=c++20

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I am suspecting a front-end change caused this.
clang accepts the same code with libstdc++ which is another reason why I think
it might be a front-end issue.