patch 8.0.0598: building with gcc 7.1 yields new warnings commit https://github.com/vim/vim/commit/9e0f6ec0762575d229b86798b284ca4876bc3d73 Author: Bram Moolenaar <Bram@vim.org> Date: Tue May 16 09:36:54 2017 +0200 patch 8.0.0598: building with gcc 7.1 yields new warnings Problem: Building with gcc 7.1 yields new warnings. Solution: Initialize result. (John Marriott)

/* 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);