[Bug c++/124412] different and confusing diagnostic order for = 0 / = 0u inside class vs at namespace scope

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124412

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
There is no "correct" order for these diagnostics. I assume you mean they're
not in the same order as the declarations in the source?