Class fields, part 3 (backends)

test/mjsunit/harmony/class-fields-arguments.js

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-explicit-tailcalls
-"use strict";
+// Flags: --harmony-class-fields
 
-function f() {
-  return 1;
+{
+  class C {
+    a = (arguments[0] = 0, assertEquals(0, arguments[0]));
+    b = assertEquals(arguments[0], undefined);
+  }
+
+  new C;
 }
-
-function g() {
-  for (var v in {a:0}) {
-    return continue f()  ;
-  }
-}