patch 8.2.0253: crash when using :disassamble without argument Commit: https://github.com/vim/vim/commit/21456cdccbdf9d222938139769f1abe95b8effdd Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 13 21:29:32 2020 +0100 patch 8.2.0253: crash when using :disassamble without argument Problem: Crash when using :disassamble without argument. (Dhiraj Mishra) Solution: Check for missing argument. (Dominique Pelle, closes https://github.com/vim/vim/issues/5635, closes #5637)