Test case details

Preparation Code

<script>   var hot = {    x: 0,    y: 0   };   var cold = Object.freeze({    x: 0,    y: 0   }); </script>

Test cases

Test #1

var t = hot.x; var z = hot.x + hot.y

Test #2

var t = cold.x; var z = cold.x + cold.y;