diff -r 8b6cc0bb93d0 -r 9186be5c78ba src/hotspot/share/gc/shenandoah/shenandoahConcurrentRoots.hpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahConcurrentRoots.hpp	Wed Nov 27 06:36:41 2019 -0800
+++ b/src/hotspot/share/gc/shenandoah/shenandoahConcurrentRoots.hpp	Wed Nov 27 11:52:57 2019 -0500
@@ -32,6 +32,11 @@
   static bool can_do_concurrent_roots();
   // If current GC cycle can process roots concurrently
   static bool should_do_concurrent_roots();
+
+  // If GC settings allow concurrent class unloading
+  static bool can_do_concurrent_class_unloading();
+  // If current GC cycle can unload classes concurrently
+  static bool should_do_concurrent_class_unloading();
 };