patch 8.0.0646: the hlsearch test fails on fast systems commit https://github.com/vim/vim/commit/0946326580e6f034fe2c88d041407ea0fde980ab Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 17 20:55:06 2017 +0200 patch 8.0.0646: the hlsearch test fails on fast systems Problem: The hlsearch test fails on fast systems. Solution: Make the search pattern slower. Fix that the old regexp engine doesn't timeout properly.