--- old/src/hotspot/share/gc/shenandoah/shenandoahConcurrentRoots.cpp	2020-05-01 02:26:01.036140223 -0700
+++ new/src/hotspot/share/gc/shenandoah/shenandoahConcurrentRoots.cpp	2020-05-01 02:26:00.648132760 -0700
@@ -37,7 +37,7 @@
 }
 
 bool ShenandoahConcurrentRoots::can_do_concurrent_class_unloading() {
-#if (defined(X86) || defined(AARCH64)) && !defined(SOLARIS)
+#if (defined(X86) || defined(AARCH64))
   return ShenandoahCodeRootsStyle == 2 &&
          ClassUnloading;
 #else