See "[PATCH v2] c++: Add support for -std=c++2b" for fixes. On Fri, Jan 8, 2021 at 3:16 PM Marek Polacek <polacek@redhat.com> wrote: > > I think we should consider making this -std=c++23 right away this time, > since we're on a three-year release schedule. Up to Jason though. > > Marek >