ediff doesn't work in 24.3.90

[Bogolisk]

running emacs pretest

emacs -Q

use ediff-buffers

type 'n' to go to next hunk

Debugger entered--Lisp error: (wrong-type-argument listp [#<overlay from 656 
to 669 in item.el>])
  ediff-set-fine-diff-properties-in-one-buffer(A 0 nil)
  ediff-set-fine-diff-properties(0)
  ediff-make-fine-diffs(0 noforce)
  ediff-install-fine-diff-if-necessary(0)
  ediff-next-difference(1)
  call-interactively(ediff-next-difference nil nil)
  command-execute(ediff-next-difference)