message: Specify only perfectly overlapping accesses can race
diff: @@ -18,7 +18,7 @@ fn static_atomic(val: u32) -> &'static AtomicU32 {
  ret
  }
  -// We allow non-atomic and atomic reads to race
  +// We allow perfectly overlapping non-atomic and atomic reads to race
  fn racing_mixed_atomicity_read() {
  let x = static_atomic(0);
  x.store(42, Relaxed);
  