Recent removal of the 'aux' field in tree_common

[Diego Novillo]

On Thu, 28 Feb 2002, Jan Hubicka wrote:

> > One problem with the 'aux' field is that it is incompatible with PCH.
> > For PCH, you really want every pointer in every structure to have one
> > and only one type.  In particular, you don't want to have void *
> > pointers.
> 
> I guess the aux field is used for temporary information only inside
> the tree optimizer, so it is nonissue for PCH.
> 
Hmm, but in the future we might want to PCH optimized .h files
with code in them.


Diego.