[Bug c++/120498] error: either all initializer clauses should be designated or none of them should be when designated-initialising nested union members(?) (same code accepted as C)

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120498

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>Somehow I feel like GCC-in-C++ mode is wrong to reject it here

It is not since C++ designated-initialising is not the same as C's.