updated for version 7.4.166

Problem:    Auto-loading a function for code that won't be executed.
Solution:   Do not auto-load when evaluation is off. (Yasuhiro Matsumoto)

src/eval.c

@@ -5159,7 +5159,7 @@ eval7(arg, rettv, evaluate, want_string)
 	    {
 		/* If "s" is the name of a variable of type VAR_FUNC
 		 * use its contents. */
-		s = deref_func_name(s, &len, FALSE);
+		s = deref_func_name(s, &len, !evaluate);
 
 		/* Invoke the function. */
 		ret = get_func_tv(s, len, rettv, arg,

src/version.c

@@ -738,6 +738,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    166,
 /**/
     165,
 /**/