[Patch, fortran-dev] ALLOCATE statements with CLASS variables

[Janus Weil]

> here is yet another version of the ALLOCATE patch. I now moved all the
> initialization code form resolve_allocate_expr to gfc_trans_allocate,
> where the whole thing can be done a bit simpler (and one avoids
> certain problems).
>
> For this I had to make 'expr_to_initialize' non-static. Consequently,
> I should probably add a 'gfc_' prefix to its name.
>
> The SIZE problem is still not solved (see below), but I added a
> warning for the problematic cases (which is triggered by Salvatore's
> code, for example). I haven't checked in detail if the second problem
> I mentioned earlier persists.
>
> Maybe I will just commit the patch in the attached form today, and
> take care of the remaining problems later.

Committed as r152123. The branch is free of regressions now (this
patch killed the last one).

Cheers,
Janus