patch 8.2.1201: Vim9: crash when passing number as dict key Commit: https://github.com/vim/vim/commit/f1a2368d81fc3f70dfcf7d577957185da6ccf0b6 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Jul 13 18:55:48 2020 +0200 patch 8.2.1201: Vim9: crash when passing number as dict key Problem: Vim9: crash when passing number as dict key. Solution: Check key type to be string. (closes https://github.com/vim/vim/issues/6449)