Merge V8 5.2.361.47

https://chromium.googlesource.com/v8/v8/+/5.2.361.47

Change-Id: Ibec421b85a9b88cb3a432ada642e469fe7e78346
diff --git a/test/mjsunit/es6/classes.js b/test/mjsunit/es6/classes.js
index 4dabda8..fb77dbb 100644
--- a/test/mjsunit/es6/classes.js
+++ b/test/mjsunit/es6/classes.js
@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-sloppy --harmony-function-name --allow-natives-syntax
-// Flags: --harmony-do-expressions
+// Flags: --allow-natives-syntax --harmony-do-expressions
 
 (function TestBasics() {
   var C = class C {}