patch 8.1.1895: using NULL pointer when out of memory commit https://github.com/vim/vim/commit/6f10c70b59fa4e56aa479345fb0caeaac7429bfb Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 20 22:58:37 2019 +0200 patch 8.1.1895: using NULL pointer when out of memory Problem: Using NULL pointer when out of memory. Solution: Bail out or skip the code using the pointer. (Zu-Ming Jiang, closes #4805, closes #4843, closes #4939, closes #4844)