Copy Constructor?
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/1758142/why-copy-constructor-is-not-called-in-this-case">Why copy constructor is not called in this case?</a>  </p>
</blockquote>



<p>When you pass an object to a function by value or return an object from a function by value, the copy constructor must be called. However, in some compilers this does not happen? Any explanation?</p>
