[Bug c++/77922] Bogus suggestion: ‘constexpr’ does not name a type; did you mean ‘constexpr’?

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77922

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #0)
> pr.C:1:1: note: C++11 ‘constexpr’ only available with -std=c++11 or
> -std=gnu++11

Also this note isn't true, because it's also available with -std=gnu++14, or
with no option, etc.