RFR (S): 8226232: Move merge heap roots code out from G1RemSetScanState

[sangheon.kim at oracle.com]

Hi Thomas,

On 7/10/19 8:30 AM, Thomas Schatzl wrote:
> Hi all,
>
>    can I have reviews for this small change that moves code related to
> the merge heap roots phase out of G1RemSetScanState? This imho
> significantly increases readability of G1RemSetScanState.
>
> More minor cleanups to improve the code are planned, but I think it is
> good to take it in steps.
>
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8226232
> Webrev:
> http://cr.openjdk.java.net/~tschatzl/8226232/webrev/
Looks good.

Thanks,
Sangheon


> Testing:
> hs-tier1-5
>
> Thanks,
>    Thomas
>