--- old/src/hotspot/share/oops/valueKlass.hpp 2020-02-21 02:14:41.270970735 -0800 +++ new/src/hotspot/share/oops/valueKlass.hpp 2020-02-21 02:14:40.855389424 -0800 @@ -214,8 +214,8 @@ address data_for_oop(oop o) const; oop oop_for_data(address data) const; - // Query if h/w provides atomic load/store - bool is_atomic(); + // Query if this class promises atomicity one way or another + bool is_atomic() { return is_naturally_atomic() || is_declared_atomic(); } bool flatten_array();