patch 8.0.0355: using uninitialized memory when 'isfname' is empty commit https://github.com/vim/vim/commit/187a4f28140f10ff833862be7e3ef823d317e1c7 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 23 17:07:14 2017 +0100 patch 8.0.0355: using uninitialized memory when 'isfname' is empty Problem: Using uninitialized memory when 'isfname' is empty. Solution: Don't call getpwnam() without an argument. (Dominique Pelle, closes #1464)