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Re: Recent removal of the 'aux' field in tree_common


On Thu, Feb 28, 2002 at 01:01:00PM -0500, Diego Novillo wrote:
> On Thu, 2002-02-28 at 12:51, Zack Weinberg wrote:
> 
> > The primary reason I took it out was that it's unused on the mainline,
> > and we didn't want to waste the memory in 3.1.
> > 
> Agreed.
> 
> > I would be open to putting it back when ast-branch is merged back in,
> > but I would prefer to find a way which does not increase the size of
> > every tree node.
> > 
> Sounds sensible.  What about the idea I mentioned in my original
> message?  We need to have analysis/optimization information in some
> trees (particularly _DECL and _STMT trees).  Would adding fields to only
> those trees be OK?

Well, keep Geoff's concerns about PCH in mind, but in principle I have
no problem with that.

zw


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