Joseph S. Myers wrote: > On Sun, 24 May 2009, Andrew Haley wrote: > >> Of course we have to fix the assembler output. For [any] two declarations >> a and b, &a != &b, even when a is a zero-length array. So, you have to >> allocate at least one byte. > > I don't think this is necessarily part of the semantics for the GNU > extensions of zero-length arrays and empty structures. Certainly when > they are used in the middle of a structure they are not expected to take > up any space (so their address may be the same as that of the next > member).
I see. In that this breaks the semantics of C in a pretty fundamental way this is pretty bad, but it's been in gcc for a long time. Andrew.
