1 files changed, 22 insertions, 11 deletions
diff --git a/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-4-7.js b/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-4-7.js
index cf238e3e2..57850a027 100644
--- a/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-4-7.js
+++ b/test/built-ins/Array/prototype/lastIndexOf/15.4.4.15-4-7.js
@@ -9,19 +9,30 @@ description: >
     is object overridden with obj w/o valueOf (toString))
 ---*/
 
-  foo.prototype = new Array(1, 2, 3);
-  function foo() {}
-  var f = new foo();
+foo.prototype = new Array(1, 2, 3);
 
-  var o = { toString: function () { return '0';}};
-  f.length = o;
+function foo() {}
+var f = new foo();
 
-  // objects inherit the default valueOf method of the Object object;
-  // that simply returns the itself. Since the default valueOf() method
-  // does not return a primitive value, ES next tries to convert the object
-  // to a number by calling its toString() method and converting the
-  // resulting string to a number.
- var i = Array.prototype.lastIndexOf.call({length: { toString: function () { return '0';}}}, 1);
+var o = {
+  toString: function() {
+    return '0';
+  }
+};
+f.length = o;
+
+// objects inherit the default valueOf method of the Object object;
+// that simply returns the itself. Since the default valueOf() method
+// does not return a primitive value, ES next tries to convert the object
+// to a number by calling its toString() method and converting the
+// resulting string to a number.
+var i = Array.prototype.lastIndexOf.call({
+  length: {
+    toString: function() {
+      return '0';
+    }
+  }
+}, 1);
 
 
 assert.sameValue(i, -1, 'i');