--- old/src/share/vm/oops/objArrayKlass.cpp	2015-10-14 13:54:10.985967641 +0200
+++ new/src/share/vm/oops/objArrayKlass.cpp	2015-10-14 13:54:10.888969986 +0200
@@ -298,6 +298,10 @@
   if (length==0) {
     return;
   }
+
+  s = arrayOop(oopDesc::bs()->read_barrier(s));
+  d = arrayOop(oopDesc::bs()->write_barrier(d));
+
   if (UseCompressedOops) {
     narrowOop* const src = objArrayOop(s)->obj_at_addr<narrowOop>(src_pos);
     narrowOop* const dst = objArrayOop(d)->obj_at_addr<narrowOop>(dst_pos);