--- a/src/hotspot/share/gc/shared/collectedHeap.cpp	Wed Jun 13 10:01:53 2018 +0200
+++ b/src/hotspot/share/gc/shared/collectedHeap.cpp	Wed Jun 13 10:15:35 2018 +0200
@@ -526,6 +526,10 @@
   fill_with_object_impl(start, words, zap);
 }
 
+void CollectedHeap::fill_with_dummy_object(HeapWord* start, HeapWord* end, bool zap) {
+  CollectedHeap::fill_with_object(start, end, zap);
+}
+
 HeapWord* CollectedHeap::allocate_new_tlab(size_t min_size,
                                            size_t requested_size,
                                            size_t* actual_size) {