ThrowTypeError should not be constructable, so shouldn't have a prototype.

test/mjsunit/regress/regress-crbug-573858.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
+
+var throw_type_error = Object.getOwnPropertyDescriptor(
+    (function() {"use strict"}).__proto__, "caller").get;
+
+function create_initial_map() { this instanceof throw_type_error }
+%OptimizeFunctionOnNextCall(create_initial_map);
+create_initial_map();
+
+function test() { new throw_type_error }
+%OptimizeFunctionOnNextCall(test);
+assertThrows(test);