--- old/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp	2018-10-05 16:57:01.243651994 +0200
+++ new/src/hotspot/share/gc/z/c2/zBarrierSetC2.cpp	2018-10-05 16:56:52.795631597 +0200
@@ -1427,6 +1427,10 @@
   return c;
 }
 
+bool ZBarrierSetC2::array_copy_requires_gc_barriers(bool tightly_coupled_alloc, BasicType type, bool is_clone, ArrayCopyPhase phase) const {
+  return type == T_OBJECT || type == T_ARRAY;
+}
+
 // == Verification ==
 
 #ifdef ASSERT