patch 8.0.1227: undefined left shift in readfile() commit https://github.com/vim/vim/commit/dc1c98129484e7879bc6dbf38e523beb730988b6 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Oct 27 22:15:24 2017 +0200 patch 8.0.1227: undefined left shift in readfile() Problem: Undefined left shift in readfile(). (Brian 'geeknik' Carpenter) Solution: Add cast to unsigned. (Dominique Pelle, closes https://github.com/vim/vim/issues/2253)