commit https://github.com/vim/vim/commit/0239acb11fe4bfe9b525ea90b782759da5eb7704 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Apr 11 21:02:54 2016 +0200 patch 7.4.1722 Problem: Crash when calling garbagecollect() after starting a job. Solution: Set the copyID on job and channel. (Hirohito Higashi, Ozaki Kiichi)

/* 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);