https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87494
Nathan Froyd <froydnj at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Resolution|INVALID |---
--- Comment #4 from Nathan Froyd <froydnj at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> I don't think this is techincally a bug. It might be a missed optimization
> but not a bug. You still need a definition even for constexpr if used
> outside of a constexpr usage IIRC.
You can only use `constexpr` on variable definitions, not declarations. So I
already have a definition, and I can't imagine where another one should be
added.
FWIW, clang and MSVC both accept this code without problems.
