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Re: [RFH] [tree-ssa] disabling lowering for &a->b causes ICE
On Sun, 2004-02-15 at 18:43, Richard Henderson wrote:
> On Sun, Feb 15, 2004 at 05:00:35PM -0500, Diego Novillo wrote:
> > + tree sym = get_base_decl (var);
>
> For what it's worth, I think get_base_decl is misguided.
>
> It looks past both COMPONENT_REF and INDIRECT_REF; I can't
> think of many cases at all in which these should be treated
> identically. I suspect this causes problems, though I don't
> know of anything specific.
>
We do want to look past COMPONENT_REFs in the case of &a.b.c so that we
mark 'a' addressable. In this case, we probably want get_base_address
and do nothing when the base address is an INDIRECT_REF.
Diego.