patch 8.2.2722: Vim9: crash when using LHS with double index Commit: https://github.com/vim/vim/commit/b9c0cd897ab4ad54f514187e89719c0241393f8b Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 5 20:51:00 2021 +0200 patch 8.2.2722: Vim9: crash when using LHS with double index Problem: Vim9: crash when using LHS with double index. Solution: Handle lhs_dest which is "dest_expr". (closes https://github.com/vim/vim/issues/8068) Fix confusing error message for missing dict item.