ATOMIC_VALUE_CAS  171 ruby_atomic.h  #   define ATOMIC_VALUE_CAS(var, oldval, val) ATOMIC_CAS(var, oldval, val)
ATOMIC_VALUE_CAS  220 ruby_atomic.h  #   define ATOMIC_VALUE_CAS(var, oldval, val) ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))
ATOMIC_VALUE_CAS  222 ruby_atomic.h  #   define ATOMIC_VALUE_CAS(var, oldval, val) ruby_atomic_value_cas(&(var), (oldval), (val))