patch 8.2.5164: invalid memory access after diff buffer manipulations Commit: https://github.com/vim/vim/commit/c101abff4c6756db4f5e740fde289decb9452efa Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 26 16:53:34 2022 +0100 patch 8.2.5164: invalid memory access after diff buffer manipulations Problem: Invalid memory access after diff buffer manipulations. Solution: Use zero offset when change removes all lines in a diff block.