git: openjdk/jdk: 8255213: Shenandoah build fails without JFR after JDK-8255036

[Jie Fu]

Changeset: 8e5dff08
Author:    Jie Fu <jiefu at openjdk.org>
Date:      2020-10-23 07:16:03 +0000
URL:       https://git.openjdk.java.net/jdk/commit/8e5dff08

8255213: Shenandoah build fails without JFR after JDK-8255036

Reviewed-by: shade

! src/hotspot/share/gc/shenandoah/c2/shenandoahBarrierSetC2.cpp
! src/hotspot/share/gc/shenandoah/shenandoahRootVerifier.cpp