patch 8.1.1665: crash when popup window with mask is below the screen commit https://github.com/vim/vim/commit/b4207474780569bcc9840e03f13edb5d9c2554f5 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 12 16:05:45 2019 +0200 patch 8.1.1665: crash when popup window with mask is below the screen Problem: Crash when popup window with mask is below the screen. Solution: Correct boundary check.

" 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')