Revert "Version 5.2.361.44 (cherry-pick)"

test/mjsunit/regress/regress-5174.js

Index: test/mjsunit/regress/regress-5174.js
diff --git a/test/mjsunit/regress/regress-5174.js b/test/mjsunit/regress/regress-5174.js
deleted file mode 100644
index 390d24e68210af8fa2d28c0675a619ddc03dc12e..0000000000000000000000000000000000000000
--- a/test/mjsunit/regress/regress-5174.js
+++ /dev/null
@@ -1,6 +0,0 @@
-// 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.
-
-assertEquals([], Object.keys(new Proxy([], {})));
-assertEquals([], Object.keys(new Proxy(/regex/, {})));