patch 8.2.3486: illegal memory access with invalid sequence of commands Commit: https://github.com/vim/vim/commit/cce81e9673fe8d056e8eef310d9919620eccb2f2 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Oct 6 22:08:11 2021 +0100 patch 8.2.3486: illegal memory access with invalid sequence of commands Problem: Illegal memory access with invalid sequence of commands. Solution: Do not call leave_block() when not in a try block. (closes https://github.com/vim/vim/issues/8966) Reset did_emsg so that exception is shown as an error.