RFR: TestGCOld for Shenandoah

[Zhengyu Gu]

Looks good.

-Zhengyu

On 11/15/2016 12:29 PM, Roman Kennke wrote:
> This changeset adds a test to run GCOld with Shenandoah.
>
> It also fixes EvilSynyBug with release build by adding
> -XX:UnlockDiagnosticVMOptions.
>
> http://cr.openjdk.java.net/~rkennke/gctests/webrev.00/
>
> Ok?
>
> I will also go over other GC tests and adopt tests that are not GC specific to Shenandoah.
>
> Roman