patch 8.0.0537: illegal memory access with :z and large count commit https://github.com/vim/vim/commit/fa0ad0bb0b4255e64ebcf9269d60a942e0ae7ff9 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 2 15:45:17 2017 +0200 patch 8.0.0537: illegal memory access with :z and large count Problem: Illegal memory access with :z and large count. Solution: Check for number overflow, using long instead of int. (Dominique Pelle, closes #1612)

/* 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);