RFR: Test fixes, pack of 3

[Roman Kennke]

Am 13.10.2017 um 11:37 schrieb Aleksey Shipilev:
> http://cr.openjdk.java.net/~shade/shenandoah/tests-3-pack/webrev.01/
>
> Please review this pack of test fixes (to be pushed as separate changesets), which include:
>
> *) "TestHeapDump should unlock aggressive heuristics"
>
> Obvious one, need to unlock "aggressive" for release builds.
>
> *) "Make sure -XX:+ShenandoahVerify comes first in the tests"
>
> This is a convenience change: jtreg would stop executing tests configuration on first failure, so it
> is better if it fails with Verifier and nice message, and not cryptically. This means Verifier
> configurations should come first in config list
>
> *) "Add -XX:+ShenandoahVerify to more interesting tests"
>
> Adds more verification in tests that actually mess with the heap.
>
> Testing: hotspot_gc_shenandoah {fastdebug|release}
>
> Thanks,
> -Aleksey
>
>
Makes sense! Go! Thansk!