hg: jdk/jdk: 8225342: Shenandoah: use COMPILER2_OR_JVMCI macro consistently

[shade at redhat.com]

Changeset: 9775d05d69c8
Author:    shade
Date:      2019-06-05 15:19 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/9775d05d69c8

8225342: Shenandoah: use COMPILER2_OR_JVMCI macro consistently
Reviewed-by: zgu

! src/hotspot/share/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/hotspot/share/gc/shenandoah/shenandoahHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp