improve unused efficiency (#3813)

2020-04-23 01:31:35 +01:00
parent 3ae24329eb
commit 99cf3a38c5
3 changed files with 39 additions and 43 deletions
--- a/test/compress/directives.js
+++ b/test/compress/directives.js
@@ -46,7 +46,7 @@ simple_statement_is_not_a_directive: {
 drop_lone_use_strict: {
    options = {
        directives: true,
-        side_effects: true,
+        unused: true,
    }
    input: {
        function f1() {
@@ -66,10 +66,8 @@ drop_lone_use_strict: {
        function f1() {
        }
        function f2() {
-            "use strict";
-            function f3() {
-            }
        }
+        (function() {})();
    }
 }