patch 8.0.1413: accessing freed memory in :cbuffer commit https://github.com/vim/vim/commit/aaf6e43b7a99cedb89d73ba749a46f7a0f16bbb6 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Dec 19 16:41:14 2017 +0100 patch 8.0.1413: accessing freed memory in :cbuffer Problem: Accessing freed memory in :cbuffer. Solution: Get quickfix list after executing autocmds. (closes https://github.com/vim/vim/issues/2470)

" Vim filetype plugin file
" Language:	Diff
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last Change:	2005 Jul 27

" Only do this when not done yet for this buffer
if exists("b:did_ftplugin")
  finish
endif
let b:did_ftplugin = 1

let b:undo_ftplugin = "setl modeline<"

" Don't use modelines in a diff, they apply to the diffed file
setlocal nomodeline