[PATCH] Make opeartor @var() no longer assume @entry() in return probes.

[Yichun Zhang]

Hello!

On Wed, Nov 21, 2018 at 11:57 PM Yichun Zhang (agentzh)
<yichun@openresty.com> wrote:
>
> The old behavior would yield stale values when the function being probed
> changes the global variables being read via @var() in the return probe
> handler.
>
> Added tests to cover this fix (and the old behavior for compatibility).

Just committed with the greenlight from fche.

Regards,
Yichun