patch 8.2.2473: crash when leaving command line window triggers autocommand Commit: https://github.com/vim/vim/commit/8c6951fa2836a1ae3257770e7b927a9380439912 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 6 18:08:45 2021 +0100 patch 8.2.2473: crash when leaving command line window triggers autocommand Problem: Crash when leaving command line window triggers autocommand. (houyunsong) Solution: Make sure not to close the current window or buffer.

let g:loaded_foo_vim += 1

let foo#bar = {}

func foo#bar.echo()
  let g:called_foo_bar_echo += 1
endfunc

func foo#addFoo(head)
  return a:head .. 'foo'
endfunc