patch 8.1.0905: complicated regexp causes a crash commit https://github.com/vim/vim/commit/5567ad48b66dff13670af52a48509059acc34dfe Author: Bram Moolenaar <Bram@vim.org> Date: Tue Feb 12 23:05:46 2019 +0100 patch 8.1.0905: complicated regexp causes a crash Problem: Complicated regexp causes a crash. (Kuang-che Wu) Solution: Limit the recursiveness of addstate(). (closes https://github.com/vim/vim/issues/3941)

" Settings for test script execution
" Always use "sh", don't use the value of "$SHELL".
set shell=sh

" Only when the +eval feature is present. 
if 1
  " While some tests overwrite $HOME to prevent them from polluting user files,
  " we need to remember the original value so that we can tell external systems
  " where to ask about their own user settings.
  let g:tester_HOME = $HOME
endif

source setup.vim