RFR (XS): 8232951: TestG1ParallelPhases.java fails with phase NonYoungFreeCSet not found

[Kim Barrett]

> On Oct 31, 2019, at 5:51 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
> Updated in place; also fixed Kim's comment about line length.
> 
> http://cr.openjdk.java.net/~tschatzl/8232951/webrev/

Still looks good.

> 
>> I am sorry that my "improvements" probably caused this failure, though just having heaps of code and not understanding why, is probably worse in the long run --- at least that is my thinking.
> 
> The question I have is whether I can push these changes under this CR (and if it occurs again we at least have a log to look at) or use another CR for it?

I say go ahead.