fixes #18281

diff --git a/Gruntfile.js b/Gruntfile.js
index 0c5091f3a1d0a2eb70389fc13f1edf469d261aae..fc6868be32d48d57bd6f0d2fc15c4dd8f2c2da8d 100644 (file)
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -284,7 +284,7 @@ module.exports = function (grunt) {
         compatibility: 'ie9',
         keepSpecialComments: '*',
         sourceMap: true,
-        noAdvanced: true
+        advanced: false
       },
       core: {
         files: [