commit https://github.com/vim/vim/commit/8322e1f06e8fa39a6bb790a7d8d7db5d7aff3366 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 8 19:20:04 2016 +0100 patch 7.4.1521 Problem: File permission test fails on MS-Windows. Solution: Expect a different permission.

/* 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);