patch 8.1.0056: crash when using :hardcopy with illegal byte commit https://github.com/vim/vim/commit/43dee181f596c81b99e200b6cdfeb02ecfed42c8 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 16 14:44:11 2018 +0200 patch 8.1.0056: crash when using :hardcopy with illegal byte Problem: Crash when using :hardcopy with illegal byte. Solution: Check for string_convert() returning NULL. (Dominique Pelle)

" 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')