patch 8.0.0483: illegal memory access when using :all commit https://github.com/vim/vim/commit/f79225ed4f81bc579bb3360ad2eb06adc8058153 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 18 23:11:04 2017 +0100 patch 8.0.0483: illegal memory access when using :all Problem: Illegal memory access when using :all. (Dominique Pelle) Solution: Adjust the cursor position right after setting "curwin".

" Test feedkeys() function.

func Test_feedkeys_x_with_empty_string()
  new
  call feedkeys("ifoo\<Esc>")
  call assert_equal('', getline('.'))
  call feedkeys('', 'x')
  call assert_equal('foo', getline('.'))

  " check it goes back to normal mode immediately.
  call feedkeys('i', 'x')
  call assert_equal('foo', getline('.'))
  quit!
endfunc