Upload Kmake

deps/v8/test/mjsunit/regress/regress-8133-2.js

@@ -0,0 +1,17 @@
+// Copyright 2018 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.
+
+const arr = [1, , 3];
+
+function mapper(x) {
+  Array.prototype[1] = 2;
+  return x + 1;
+}
+
+// We force a direct iteration (using the array length, not the iterator
+// protocol). The mapper function gets called during this iteration, not in a
+// separate one. Hence when index 1 is read, 2 is retrieved from the prototype
+// and incremented to 3.
+Array.prototype[Symbol.iterator] = undefined;
+assertArrayEquals([2, 3, 4], Uint16Array.from(arr, mapper));