https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85315

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Andrew Macleod from comment #10)
> OK, so whats the deal here. I can't really follow what the final request, or
> action is.
> 
> Is there a conclusion on what needs to be done? if anything?

See the original description - the request was to derive ranges for
the offset operand in pointer arithmetic based on the size of the
object offsetted.  In the simple example a plain 'int' which is
(in GIMPLE) offsetted by 4 * (a + b) where we should derive that
a + b is zero.

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