RFR(S): 8252292: 8240795 may cause anti-dependence to be missed

[Roland Westrelin]

Hi Igor,

> '@requires vm.gc.Parallel' should be used to limit execution of the
> test to configurations where ParallelGC is available and selectable
> (meaning no GC has been explicitly specified or explicitly specified
> GC is Parallel).

Thanks for the clarification. I'll go with your suggestion.

Roland.