While usually a programming error, the behavior can cause a Parser
instance to eventually gobble up a significant amount of memory,
greatly affecting system performance. Try to avoid getting into
that situation and alert the user about what they attempted to do.
(Bitbake rev: 01bf0912eef5700d61c6e3c9138cb4b6825ee782)
Signed-off-by: Kyle Russell <bkylerussell@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>