RFR (M): 8228609: G1 copy cost prediction uses used vs. actual copied bytes

[Kim Barrett]

> On Nov 12, 2019, at 4:06 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
> Hi Kim,
> 
>  sorry for the late reply - I have been working on updating this, but other things went in-between. Sorry.

And then I failed to keep track of the update…

> […]
> Webrev:
> http://cr.openjdk.java.net/~tschatzl/8228609/webrev.0_to_1/ (diff)
> http://cr.openjdk.java.net/~tschatzl/8228609/webrev.1/ (full)
> Testing:
> hs-tier1-5
> 
> Thanks,
>  Thomas

Looks good.