patch 8.2.2504: Vim9: crash when using an argument from a closure Commit: https://github.com/vim/vim/commit/44ec21c467ddf481b422c787324ea08f375f6942 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Feb 12 21:50:57 2021 +0100 patch 8.2.2504: Vim9: crash when using an argument from a closure Problem: Vim9: crash when using an argument from a closure. Solution: Check if gen_load_outer is NULL. (closes https://github.com/vim/vim/issues/7821)

let g:loaded_foo_vim += 1

let foo#bar = {}

func foo#bar.echo()
  let g:called_foo_bar_echo += 1
endfunc

func foo#addFoo(head)
  return a:head .. 'foo'
endfunc