--- a/src/hotspot/share/gc/shared/modRefBarrierSet.inline.hpp	Fri Jun 22 16:06:43 2018 -0400
+++ b/src/hotspot/share/gc/shared/modRefBarrierSet.inline.hpp	Fri Jun 22 17:46:58 2018 -0400
@@ -102,7 +102,7 @@
   if (!HasDecorator<decorators, ARRAYCOPY_CHECKCAST>::value) {
     // Optimized covariant case
     bs->write_ref_array_pre(dst_raw, length,
-                            HasDecorator<decorators, AS_DEST_NOT_INITIALIZED>::value);
+                            HasDecorator<decorators, IS_DEST_UNINITIALIZED>::value);
     Raw::oop_arraycopy(NULL, 0, src_raw, NULL, 0, dst_raw, length);
     bs->write_ref_array((HeapWord*)dst_raw, length);
   } else {