https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83000
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |UNCONFIRMED
Ever confirmed|1 |0
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #3)
> (In reply to Andrew Pinski from comment #2)
> > Seems fixed in GCC 10.
>
> Are you sure, all releases I have reject the code.
You need -std=c++2a or -std=c++20 or -fconcepts to support concepts :).
