[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)

[nabijaczleweli at nabijaczleweli dot xyz via Gcc-bugs]

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

--- Comment #6 from наб <nabijaczleweli at nabijaczleweli dot xyz> ---
It already issues `-Wmissing-field-initializers` with `-Wall -Wextra` for sa,
the issue at hand, if you decide that this is an error, is that the errors you
get aren't helpful.