Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    o1 = {indirect:{x:3, y:4}};
    o2 = o1.indirect;
    var x=0, y=0, z=0, w=0;
  };
</script>

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 y+= o2.x + o2.y
 x+= o2.x + o2.y
 w+= o2.x + o2.y
 z+= o2.x + o2.y

 y+= o1.indirect.x + o1.indirect.y
x+= o1.indirect.x + o1.indirect.y
z+=o1.indirect.x + o1.indirect.y
w+=o1.indirect.x + o1.indirect.y

var o3 = o1.indirect;
 y+= o3.x + o3.y
x+=o3.x + o3.y
z+=o3.x + o3.y
w+=o3.x + o3.y
 

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