message: Fix returning the result from dynamic calls on the singlepass backend
diff: @@ -221,7 +221,9 @@ impl RunnableModule for X64ExecutionContext {
  )
  }) {
  Ok(x) => {
  + if !rets.is_null() {
  *rets = x;
  + }
  true
  }
  Err(_) => false,
  