2.1.7 [ECMA-262/5] Section 15.2.4.4, Object.prototype.valueOf ()

V0007:

The specification states:

 2.  If O is the result of calling the Object constructor with a host object (15.2.2.1), then
  
      a.  Return either O or another value such as the host object originally passed to the constructor. The specific result that is returned is implementation-defined.

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When O is the result of calling the Object constructor with a host object, the this value is returned.

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