| Tests that evaluating something in console won't crash the browser if undefined value is overriden. The test passes if it doesn't crash. Bug 64155. | |
| var x = {a:1}; x.self = x; undefined = x; | |
| Object {a: 1, self: Object} | |
| unknownVar | |
| ReferenceError: Can't find variable: unknownVar | |