bug#16671: 24.3; cl-lib from ELPA defadvices cl-position into infinite loop

[Noam Postavsky]

emacs -Q --eval "(progn (package-initialize t) (package-install
'cl-lib) (require 'cl) (position 1 '(1)))"

*Messages* buffer contains

  apply: Variable binding depth exceeds max-specpdl-size


In GNU Emacs 24.3.1 (i386-mingw-nt6.0.6002)
 of 2013-03-17 on MARVIN

See also: https://github.com/capitaomorte/yasnippet/issues/457 (user
upgrades to 24.3 and doesn't think to uninstall cl-lib, so they hit
this bug).