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Re: Does a zero-sized object in BSS go away?
Hi Thiemo,
> > > The linker should assign an address to it. However, some object file
> > > formats can't represent zero-sized common objects, in which case the
> > > assembler should probably report an error if someone tries to create one.
> >
> > Thanks. That means some valid C using a zerosized object program
> > may not be represented in those formats. Sigh...
>
> How do you construct a zero sized object in valid C?
Oops, I just realized "struct s { char a[0] } s0;" is a GCC extension.
Kazu Hirata