--- a/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Fri Jun 22 16:06:43 2018 -0400
+++ b/src/hotspot/cpu/aarch64/macroAssembler_aarch64.cpp	Fri Jun 22 17:46:58 2018 -0400
@@ -3991,7 +3991,7 @@
 
 void MacroAssembler::load_heap_oop_not_null(Register dst, Address src, Register tmp1,
                                             Register thread_tmp, DecoratorSet decorators) {
-  access_load_at(T_OBJECT, IN_HEAP | OOP_NOT_NULL | decorators, dst, src, tmp1, thread_tmp);
+  access_load_at(T_OBJECT, IN_HEAP | IS_NOT_NULL | decorators, dst, src, tmp1, thread_tmp);
 }
 
 void MacroAssembler::store_heap_oop(Address dst, Register src, Register tmp1,