patch 8.0.0399: crash when using balloon_show() when not supported commit https://github.com/vim/vim/commit/caf6434ac937cf26050276d7b474be2d2d6a06b3 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Mar 2 22:11:33 2017 +0100 patch 8.0.0399: crash when using balloon_show() when not supported Problem: Crash when using balloon_show() when not supported. (Hirohito Higashi) Solution: Check for balloonEval not to be NULL. (Ken Takata)

Test for script-local function.     vim: set ft=vim :

STARTTEST
:so small.vim
:"
:set nocp viminfo+=nviminfo
:/^start:/+1,/^end:/-1w! Xtest.vim
:source Xtest.vim
_x
:$-1,$wq! test.out
ENDTEST

start:
fun <SID>DoLast()
  call append(line('$'), "last line")
endfun
fun s:DoNothing()
  call append(line('$'), "nothing line")
endfun
nnoremap <buffer> _x	:call <SID>DoNothing()<bar>call <SID>DoLast()<bar>delfunc <SID>DoNothing<bar>delfunc <SID>DoLast<cr>
end: