commit https://github.com/vim/vim/commit/437905c25d4cedfa16d0f87392e4a000d22362b7 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Apr 26 19:01:05 2016 +0200 patch 7.4.1789 Problem: Cannot use ch_read() in the close callback. Solution: Do not discard the channel if there is readahead. Do not discard readahead if there is a close callback.

" Test commands that jump somewhere.

func Test_geedee()
  new
  call setline(1, ["Filename x;", "", "int Filename", "int func() {", "Filename y;"])
  /y;/
  normal gD
  call assert_equal(1, line('.'))
  quit!
endfunc