patch 8.0.1411: reading invalid memory with CTRL-W : commit https://github.com/vim/vim/commit/2efb323e875d2852f63e41c40641760d1d6b069f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 19 12:27:23 2017 +0100 patch 8.0.1411: reading invalid memory with CTRL-W : Problem: Reading invalid memory with CTRL-W :. Solution: Correct the command characters. (closes https://github.com/vim/vim/issues/2469)

" Vim script used in test_eval.in.  Needed for script-local function.

func! s:Testje()
  return "foo"
endfunc
let Bar = function('s:Testje')
$put ='s:Testje exists: ' . exists('s:Testje')
$put ='func s:Testje exists: ' . exists('*s:Testje')
$put ='Bar exists: ' . exists('Bar')
$put ='func Bar exists: ' . exists('*Bar')