Gregory Stark <stark@enterprisedb.com> writes:
> IIRC there's something odd about the scope of the declared struct label.
> Something like it previously extended to the end of the file but post-ANSI was
> limited to the scope it's declared in (including very limited scopes where it
> would be useless such as in function parameters).
I think you might be thinking of the use of a previously unreferenced
"struct foo" in a function declaration's parameter list, which is
something that did change (and so gcc warns about it). But within a
block is not that case.
regards, tom lane