RFR: Rehash -XX:-UseTLAB in tests

[Zhengyu Gu]

Okay.

-Zhengyu

On 08/08/2017 10:14 AM, Aleksey Shipilev wrote:
> We added these while hunting for partial collections bug around TLABs. Which was identified as the
> problem with marked, but unreachable objects. Today, Verifier checks marked objects too, obviating
> the need for these tests. Rehasing them save ~5 min per testing round, because GCBasher is on the
> critical path. Some basic sanity tests are left to check that out-of-TLAB allocation still works.
>
> Webrev:
>   http://cr.openjdk.java.net/~shade/shenandoah/tests-tlab/webrev.01/
>
> Testing: hotspot_gc_shenandoah
>
> Thanks,
> -Aleksey
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