src/hotspot/share/opto/macroArrayCopy.cpp

@@ -201,11 +201,11 @@
   if ((*ctrl)->is_top())  return NULL;
 
   Node* kls = NULL;
   if (_igvn.type(obj_or_klass)->isa_oopptr()) {
     Node* k_adr = basic_plus_adr(obj_or_klass, oopDesc::klass_offset_in_bytes());
-    kls = transform_later(LoadKlassNode::make(_igvn, NULL, C->immutable_memory(), k_adr, TypeInstPtr::KLASS));
+    kls = transform_later(LoadKlassNode::make(_igvn, NULL, C->immutable_memory(), k_adr, TypeInstPtr::KLASS, TypeKlassPtr::OBJECT, /* clear_prop_bits = */ true));
   } else {
     assert(_igvn.type(obj_or_klass)->isa_klassptr(), "what else?");
     kls = obj_or_klass;
   }
   Node* layout_val = make_load(NULL, mem, kls, in_bytes(Klass::layout_helper_offset()), TypeInt::INT, T_INT);