teach delay folding in c++ about OACC_LOOPs

[Nathan Sidwell]

On 11/18/15 10:14, Cesar Philippidis wrote:
> Jason,
>
> Your recent delay folding patch broke libgomp.oacc-c++/loop-auto-1.c. It
> looks like you forgot to handle OACC_LOOP in cp_fold_r. You probably
> didn't notice this because Nathan committed his auto acc loop patch just
> before you applied your patch. I'm not sure why only that test is
> affected though.
>
> Is this patch ok for trunk?

Hey, once again you've saved me an investigation :)

I'd say this counts as obvious, so go ahead and commit.

nathan