RFR: one more missing UseShenandoahGC check in 8u

[Aleksey Shipilev]

On 10/04/2017 02:01 PM, Roland Westrelin wrote:
>> This is a trivial change, run hotspot_gc_shenandoah with it, and push.
> 
> It's unlikely to exercise that code path, right? I ran jdk/java/math
> with -Xcomp.

Okay then. At least run hotspot_fast_gc_shenandoah to make sure nothing is broken (e.g. the build)
before the push -- this takes a minute or so.

-Aleksey