| // 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. | |
| var valueof_calls = 0; | |
| var v = { | |
| toString: function() { | |
| var z = w++; | |
| } | |
| }; | |
| var w = { | |
| valueOf: function() { | |
| valueof_calls++; | |
| } | |
| }; | |
| var x = { [v]: 'B' }; | |
| assertTrue(valueof_calls == 1); |