patch 8.2.4139: using freed memory in expression abbreviation Commit: https://github.com/vim/vim/commit/94075b2b0e8e3b75334799d2c082497fbf85ffa1 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Jan 18 20:30:39 2022 +0000 patch 8.2.4139: using freed memory in expression abbreviation Problem: Using freed memory if an expression abbreviation deletes the abbreviation. Solution: Do not access the pointer after evaluating the expression.

/* 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);