RFR 8217342: Build failed with excluding JFR

[Aleksey Shipilev]

On 1/18/19 4:18 PM, Zhengyu Gu wrote:
> Please review this patch that fixes build failures when excluding JFR (configure build with
> --with-jvm-features=-jfr)
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8217342
> Webrev: http://cr.openjdk.java.net/~zgu/JDK-8217342/webrev.00/index.html

Shenandoah parts look good.

I think zBarrierSet.hpp includes gc/shared/barrierSet.hpp already, so no need for it in
zBarrierSetC2.cpp?

-Aleksey