commit https://github.com/vim/vim/commit/e0f76d00979c972329f6c371463a20da61ccad65 Author: Bram Moolenaar <Bram@vim.org> Date: Mon May 9 20:38:53 2016 +0200 patch 7.4.1828 Problem: May try to access buffer that's already freed. Solution: When freeing a buffer remove it from any channel.

" Vim support file to switch off detection of file types
"
" Maintainer:	Bram Moolenaar <Bram@vim.org>
" Last change:	2001 Jun 11

if exists("did_load_filetypes")
  unlet did_load_filetypes
endif

" Remove all autocommands in the filetypedetect group
silent! au! filetypedetect *