Recent removal of the 'aux' field in tree_common

[Daniel Berlin]

On Thu, 28 Feb 2002, Diego Novillo wrote:

> 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.

Yeah, but this still doesn't require the tree optimizer structures be 
serialized.
Just serialize to PCH *after* the tree optimizer runs.

> 
> 
> Diego.
>