[tree-ssa] Fix variables getting out of their scope

[Diego Novillo]

On Thu, 2003-08-21 at 13:05, Zdenek Dvorak wrote:

> probably in this particular case; but it would be anoying to have to
> care about that at every single optimization.
> 
You wouldn't have to.  Addressable objects are renamed into virtual
operands.

Diego.