am 1c7ba87: Fix an infinite loop in ClassLoader.isAncestorOf()

Merge commit '1c7ba87b216ec3de563ac4d70548313da9b9bc1b'

* commit '1c7ba87b216ec3de563ac4d70548313da9b9bc1b':
  Fix an infinite loop in ClassLoader.isAncestorOf()