RFR: JDK-8204685: Abstraction for TLAB dummy object

[Aleksey Shipilev]

On 06/12/2018 06:40 PM, Roman Kennke wrote:
> Right.
> http://cr.openjdk.java.net/~rkennke/JDK-8204685/webrev.01/

It looks okay.

Looking closer to whole thing again. What is enforcing the use of this new method? I would expect
only fill_with_dummy_object be available to non-CollectedHeap callers, which means other methods
e.g. fill_with_object to become protected/private. Looking at how proliferated the use of those
methods are within the GCs, it seems some "friend"-ing is in order. Can be done in a separate RFE.

-Aleksey

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