| // Copyright 2015 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 = "a"; | |
| assertThrows(function() { while (true) a += a; }, RangeError); | |
| assertThrows(function() { a in a; }, TypeError); |