--- old/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp	2018-05-13 17:59:42.829214190 +0200
+++ new/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp	2018-05-13 17:59:42.684216711 +0200
@@ -349,7 +349,7 @@
     if (alloc_from_gclab) {
       ShenandoahThreadLocalData::gclab(thread)->undo_allocation(filler, size_with_fwdptr);
     } else {
-      fill_with_object(copy, size_no_fwdptr);
+      fill_with_object(filler, size_with_fwdptr);
     }
     log_develop_trace(gc, compaction)("Copy object: " PTR_FORMAT " -> " PTR_FORMAT " failed, use other: " PTR_FORMAT,
                                       p2i(p), p2i(copy), p2i(result));