Patch to allow Ada to work with tree-ssa

[Andrew Pinski]

> I don't agree.
> 
> In particular, you've just added an extra entry to ARRAY_REF and 
> COMPONENT_REF, making these two common tree nodes bigger.  
> (COMPONENT_REF, in particular, is used extensively in C++; every access 
> to a class member variable is a COMPONENT_REF.)  These extra entries are 
> unnecessary in C and C++, meaning that for GCC's two most-used languages 
> you've just increased memory usage with no benefit.  If you need some 
> additional stuff for Ada, please find a way that doesn't penalize C and C++.

In fact I had a patch for tree-unnested to get rid of the impliciant uses
for OFFSET, see <http://gcc.gnu.org/ml/gcc-patches/2004-05/msg00373.html>
Which fixed the problem a different way.

Thanks,
Andrew Pinski