--- old/src/hotspot/share/gc/shared/collectedHeap.cpp	2018-02-20 23:17:50.972968427 +0100
+++ new/src/hotspot/share/gc/shared/collectedHeap.cpp	2018-02-20 23:17:50.744960633 +0100
@@ -28,6 +28,7 @@
 #include "gc/shared/barrierSet.inline.hpp"
 #include "gc/shared/collectedHeap.hpp"
 #include "gc/shared/collectedHeap.inline.hpp"
+#include "gc/shared/gcLocker.inline.hpp"
 #include "gc/shared/gcHeapSummary.hpp"
 #include "gc/shared/gcTrace.hpp"
 #include "gc/shared/gcTraceTime.inline.hpp"
@@ -44,6 +45,7 @@
 #include "services/heapDumper.hpp"
 #include "utilities/align.hpp"
 
+class ClassLoaderData;
 
 #ifdef ASSERT
 int CollectedHeap::_fire_out_of_memory_count = 0;
@@ -233,6 +235,12 @@
   }
 }
 
+MetaWord* CollectedHeap::satisfy_failed_metadata_allocation(ClassLoaderData* loader_data,
+                                                            size_t word_size,
+                                                            Metaspace::MetadataType mdtype) {
+  return MetaspaceGC::satisfy_failed_metadata_allocation(loader_data, word_size, mdtype);
+}
+
 void CollectedHeap::set_barrier_set(BarrierSet* barrier_set) {
   _barrier_set = barrier_set;
   BarrierSet::set_bs(barrier_set);