patch 8.0.1588: popup menu hangs after typing CTRL-C commit https://github.com/vim/vim/commit/52f18a112a073c39187cd93f26115d1e2bfd29ce Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 7 22:09:11 2018 +0100 patch 8.0.1588: popup menu hangs after typing CTRL-C Problem: Popup menu hangs after typing CTRL-C. Solution: Make CTRL-C exit the loop. (Ozaki Kiichi, closes https://github.com/vim/vim/issues/2697)

" 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