RFR: 8168396: Unexpected OOME in GcCauseTest02 and GcTest02

[Thomas Schatzl]

Hi Michail,

On Mon, 2016-10-31 at 15:44 +0300, Michail Chernov wrote:
> Thank you very much for reviewing this!
> 
> Could someone of reviewers please take a look at this change. This
> issue is integration blocker.

  looks good but for some tests inexplicably not have an @requires
ExplicitGCInvokesConcurrent != true.

I think at least GcCauseTest02 should have. It does a system.gc at the
end, so the jstat output will not reflect the true value of heap
dimensions.

Thanks,
  Thomas