patch 8.0.0486: crash and endless loop when closing windows in autocmd commit https://github.com/vim/vim/commit/8c752bd6c4af54c0b7bac35a39acc2bf16015f85 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 19 17:09:56 2017 +0100 patch 8.0.0486: crash and endless loop when closing windows in autocmd Problem: Crash and endless loop when closing windows in a SessionLoadPost autocommand. Solution: Check for valid tabpage. (partly neovim #6308)

" Settings for test script execution
" Always use "COMMAND.COM", don't use the value of "$SHELL".
set shell=c:\COMMAND.COM shellquote= shellxquote= shellcmdflag=/c shellredir=>
" This is used only when the +eval feature is available.
if executable("cmd.exe")
   set shell=cmd.exe
endif

source setup.vim