This is a consequence of the existing wording, and makes sense for the same reason we don't want inline functions to be key functions in general, but is not universal implementation practice: GCC does not allow constexpr virtual functions to be key functions, but Clang 10 does.
This is a consequence of the existing wording, and makes sense for the same reason we don't want inline functions to be key functions in general, but is not universal implementation practice: GCC does not allow constexpr virtual functions to be key functions, but Clang 10 does.