patch 8.1.0242: Insert mode completion may use an invalid buffer pointer commit https://github.com/vim/vim/commit/02ab97709d5c56fb7fe42e134bb9fc54f76a1f9f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 7 14:55:09 2018 +0200 patch 8.1.0242: Insert mode completion may use an invalid buffer pointer Problem: Insert mode completion may use an invalid buffer pointer. Solution: Check for ins_buf to be valid. (closes https://github.com/vim/vim/issues/3290)

README_src.txt for version 8.1 of Vim: Vi IMproved.

The source archive contains the files needed to compile Vim on Unix systems.
It is packed for Unix systems (NL line separator).

For more information, see the README.txt file that comes with the runtime
archive (vim-8.1-rt.tar.gz).  To be able to run Vim you MUST get the runtime
archive too!