[es6] Fix the %TypedArray% constructor.

The %TypedArray% constructor must not ever try to construct an instance,
but rather throw a TypeError instead.

R=jarin@chromium.org
BUG=v8:5763

Review-Url: https://codereview.chromium.org/2587413002
Cr-Commit-Position: refs/heads/master@{#41868}

src/js/typedarray.js

@@ -844,12 +844,7 @@ function TypedArrayFrom(source, mapfn, thisArg) {
 
 // TODO(bmeurer): Migrate this to a proper builtin.
 function TypedArrayConstructor() {
-  if (IS_UNDEFINED(new.target)) {
-    throw %make_type_error(kConstructorNonCallable, "TypedArray");
-  }
-  if (new.target === GlobalTypedArray) {
-    throw %make_type_error(kConstructAbstractClass, "TypedArray");
-  }
+  throw %make_type_error(kConstructAbstractClass, "TypedArray");
 }
 
 function TypedArraySpecies() {

test/mjsunit/regress/regress-5763-1.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: --allow-natives-syntax
+
+try {
+  var TA = Object.getPrototypeOf(Int8Array);
+  var obj = Reflect.construct(TA, [], Int8Array);
+  Int8Array.prototype.values.call(obj).next();
+} catch (e) {}

test/mjsunit/regress/regress-5763-2.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: --allow-natives-syntax
+
+try {
+  var TA = Object.getPrototypeOf(Int8Array);
+  var obj = Reflect.construct(TA, [], Int8Array);
+  new Int8Array(4).set(obj);
+} catch (e) {}