[polly] Add diagnostic remark for ReportVariantBasePtr

[Diego Novillo]

On Thu, Jun 26, 2014 at 4:59 PM, David Blaikie <dblaikie at gmail.com> wrote:
> The current state is that just using -R should do the right thing
> (include column info everywhere), but using it combined with any -g
> will omit column info unless you request it explicitly
> (-gcolumn-info).

Not really. I took that out because you were concerned about the
differences between -R and -g. So, right now -Rpass by itself only
turns on loc tracking. That's why I'm interested in having debug info
(and loc tracking) always have column information enabled.


Diego.