patch 8.1.2340: quickfix test fails under valgrind and asan Commit: https://github.com/vim/vim/commit/a106e6cde682bda4ad10ed745acb51975fcb02e0 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 24 22:13:58 2019 +0100 patch 8.1.2340: quickfix test fails under valgrind and asan Problem: Quickfix test fails under valgrind and asan. Solution: Make sure long line does not overflow IObuff. (Dominique Pelle, closes #5263) Put back fix for large terminals. (Yegappan Lakshmanan, closes #5264)