Upload Kmake

deps/v8/test/mjsunit/es6/regress/regress-5929-1.js

@@ -0,0 +1,16 @@
+// Copyright 2017 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: --allow-natives-syntax
+
+var buf = new ArrayBuffer(0x10000);
+var arr = new Uint8Array(buf).fill(55);
+var tmp = {};
+tmp[Symbol.toPrimitive] = function () {
+  %ArrayBufferDetach(arr.buffer);
+  return 50;
+}
+assertThrows(function() {
+  arr.copyWithin(tmp);
+}, TypeError);