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)

/* auto/if_perl.c */
int perl_enabled(int verbose);
void perl_end(void);
void msg_split(char_u *s, int attr);
void perl_win_free(win_T *wp);
void perl_buf_free(buf_T *bp);
void ex_perl(exarg_T *eap);
void do_perleval(char_u *str, typval_T *rettv);
void ex_perldo(exarg_T *eap);