RFR (S): 8214277: Use merged G1ArchiveRegionMap for open and closed archive heap regions

[Kim Barrett]

> On Jan 9, 2020, at 6:37 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> All fixed in
> http://cr.openjdk.java.net/~tschatzl/8214277/webrev.0_to_1 (diff)
> http://cr.openjdk.java.net/~tschatzl/8214277/webrev.1/ (full)
> 
> Thanks,
>  Thomas

Looks good.