patch 8.1.2076: crash when trying to put a terminal in a popup window Commit: https://github.com/vim/vim/commit/e0d749a49630778d45642d7589a3703697746760 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Sep 25 22:14:48 2019 +0200 patch 8.1.2076: crash when trying to put a terminal in a popup window Problem: Crash when trying to put a terminal buffer in a popup window. Solution: Check for NULL buffer. Do not allow putting a terminal in a popup window.