[Bug c/63480] -Wmissing-field-initializers should not warn about intentionally empty initializers (or that should be a separate option)

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63480

--- Comment #3 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
In C++ we don't warn for { }.  OTOH, C++ warns for { 0 } - I think it should
not.