[gomp4] privatize internal array variables introduced by the fortran FE

[Jakub Jelinek]

On Tue, Oct 13, 2015 at 01:12:25PM -0700, Cesar Philippidis wrote:
> Arrays in fortran have a couple of internal variables associated with
> them, e.g. stride, lbound, ubound, size, etc. Depending on how and where
> the array was declared, these internal variables may be packed inside an
> array descriptor represented by a struct or defined individually. The
> major problem with this is that kernels and parallel regions with
> default(none) will generate errors if those internal variables are
> defined individually since the user has no way to add clauses to them. I
> suspect this is also true for arrays inside omp target regions.

I believe gfc_omp_predetermined_sharing is supposed to handle this,
returning predetermined shared for certain DECL_ARTIFICIAL decls.
If you are not using that hook, perhaps you should have similar one tuned
for OpenACC purposes?

	Jakub