Narrow cases where Sparse/Smart versions of Array methods are used

test/mjsunit/bugs/bug-3621.js

Index: test/mjsunit/bugs/bug-3621.js
diff --git a/test/mjsunit/bugs/bug-3621.js b/test/mjsunit/bugs/bug-3621.js
deleted file mode 100644
index 16ddde16961cd0cbd42d0d64118a85a0241ee9c2..0000000000000000000000000000000000000000
--- a/test/mjsunit/bugs/bug-3621.js
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2014 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.
-
-var a = [];
-var endIndex = 0xffff;
-a[endIndex] = 3;
-Object.defineProperty(a, 0, { get: function() { this[1] = 2; return 1; } });
-assertEquals('123', a.join(''));
-delete a[1];  // reset the array
-assertEquals('1,2,', a.join().slice(0, 4));