patch 8.2.3878: Vim9: debugger tries to read more lines than there are Commit: https://github.com/vim/vim/commit/310091d20f26f6472fefc31e19004684f3d640bf Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 23 21:14:37 2021 +0000 patch 8.2.3878: Vim9: debugger tries to read more lines than there are Problem: Vim9: debugger tries to read more lines than there are. Solution: Check the number of lines. (closes https://github.com/vim/vim/issues/9394)