Does a zero-sized object in BSS go away?

[Kazu Hirata]

Hi Geoff,

> 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...

Kazu Hirata