From 06d95cbba7f6a6fa54e835ccd90b44a9312d127d Mon Sep 17 00:00:00 2001
From: Mark Otto <markd.otto@gmail.com>
Date: Sun, 2 Oct 2016 18:42:39 -0700
Subject: [PATCH] Ports changes from #20258 to v4 (#20828)

---
 Gruntfile.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Gruntfile.js b/Gruntfile.js
index 2b9c188992..bc7d009f0a 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -170,6 +170,7 @@ module.exports = function (grunt) {
         compatibility: 'ie9',
         keepSpecialComments: '*',
         sourceMap: true,
+        sourceMapInlineSources: true,
         advanced: false
       },
       core: {