commit https://github.com/vim/vim/commit/8767f52fbfd4f053ce00a978227c95f1d7d323fe Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jul 1 17:17:39 2016 +0200 patch 7.4.1975 Problem: On MS-Windows large files (> 2Gbyte) cause problems. Solution: Use "off_T" instead of "off_t". Use "stat_T" instead of "struct stat". Use 64 bit system functions if available. (Ken Takata)

--- a/src/os_win32.c
+++ b/src/os_win32.c
@@ -3058,7 +3058,7 @@ mch_dirname(
     long
 mch_getperm(char_u *name)
 {
-    struct stat st;
+    stat_T	st;
     int		n;
 
     n = mch_stat((char *)name, &st);