Sync with 2.39.1

git-compat-util.h

@@ -1022,6 +1022,14 @@ static inline unsigned long cast_size_t_to_ulong(size_t a)
 	return (unsigned long)a;
 }
 
+static inline int cast_size_t_to_int(size_t a)
+{
+	if (a > INT_MAX)
+		die("number too large to represent as int on this platform: %"PRIuMAX,
+		    (uintmax_t)a);
+	return (int)a;
+}
+
 /*
  * Limit size of IO chunks, because huge chunks only cause pain.  OS X
  * 64-bit is buggy, returning EINVAL if len >= INT_MAX; and even in