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.

" Tests for tagjump (tags and special searches)

" SEGV occurs in older versions.  (At least 7.4.1748 or older)
func Test_ptag_with_notagstack()
  set notagstack
  call assert_fails('ptag does_not_exist_tag_name', 'E426')
  set tagstack&vim
endfunc
" vim: sw=2 et