RFR(T) 8233796: Shenandoah is broken after 8233708

[Zhengyu Gu]

Please review this trivial patch to unbreak Shenandoah build.


Bug: https://bugs.openjdk.java.net/browse/JDK-8233796
Webrev: http://cr.openjdk.java.net/~zgu/JDK-8233796/webrev.00/


Thanks,

-Zhengyu