--- a/src/hotspot/share/gc/shared/collectedHeap.hpp	Thu Feb 22 18:34:39 2018 +0100
+++ b/src/hotspot/share/gc/shared/collectedHeap.hpp	Thu Feb 22 18:35:04 2018 +0100
@@ -411,6 +411,10 @@
   // the context of the vm thread.
   virtual void collect_as_vm_thread(GCCause::Cause cause);
 
+  virtual MetaWord* satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
+                                                       size_t size,
+                                                       Metaspace::MetadataType mdtype);
+
   // Returns the barrier set for this heap
   BarrierSet* barrier_set() { return _barrier_set; }
   void set_barrier_set(BarrierSet* barrier_set);