doctrine/doctrine2 — pull request #481 by beejeebus (2012-10-16 04:08:04+00:00)
Title: check for false as a return value from get_parent_class(), not null

MappingException::identifierRequired() and MappingException::classIsNotAValidEntityOrMappedSuperClass() both check for null, when they should check for false from get_parent_class().