diff -r 8434981a4137 -r d12828b7cd64 src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp
--- a/src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp	Wed Jun 13 10:01:53 2018 +0200
+++ b/src/hotspot/share/gc/shared/threadLocalAllocBuffer.cpp	Wed Jun 13 10:15:35 2018 +0200
@@ -114,7 +114,7 @@
       myThread()->incr_allocated_bytes(used_bytes());
     }
 
-    CollectedHeap::fill_with_object(top(), hard_end(), retire && zap);
+    Universe::heap()->fill_with_dummy_object(top(), hard_end(), retire && zap);
 
     if (retire || ZeroTLAB) {  // "Reset" the TLAB
       set_start(NULL);