--- old/src/hotspot/share/gc/g1/g1OopClosures.hpp	2018-04-19 10:05:28.230147395 +0200
+++ new/src/hotspot/share/gc/g1/g1OopClosures.hpp	2018-04-19 10:05:27.946138640 +0200
@@ -57,6 +57,8 @@
   // This closure needs special handling for InstanceRefKlass.
   virtual ReferenceIterationMode reference_iteration_mode() { return DO_DISCOVERED_AND_DISCOVERY; }
   void set_region(HeapRegion* from) { _from = from; }
+
+  inline void trim_queue_partially();
 };
 
 // Used during the Update RS phase to refine remaining cards in the DCQ during garbage collection.
@@ -126,6 +128,8 @@
  public:
   void set_scanned_cld(ClassLoaderData* cld) { _scanned_cld = cld; }
   inline void do_cld_barrier(oop new_obj);
+
+  inline void trim_queue_partially();
 };
 
 enum G1Barrier {