title: Math.abs returns wrong value for Integer.Min_VALUE
body: <p>This code:</p>
  
  <pre><code>System.out.println(Math.abs(Integer.MIN_VALUE));
  </code></pre>
  
  <p>Returns <code>-2147483648</code></p>
  
  <p>Should it not return the absolute value as <code>2147483648</code> ?</p>