| function g() {} | |
| function h() { | |
| for (var i = 0; i < 9; i++) | |
| x.f = i; | |
| } | |
| function j() { | |
| x.f(); | |
| } | |
| var x = {f: 0.7, g: g}; | |
| x.g(); // interpreter brands x | |
| h(); | |
| print(shapeOf(x)); | |
| x.f = function (){}; // does not change x's shape | |
| j(); | |
| print(shapeOf(x)); | |
| h(); // should change x's shape | |
| var thrown = 'none'; | |
| try { | |
| j(); // should throw since x.f === 8 | |
| } catch (exc) { | |
| thrown = exc.name; | |
| } | |
| assertEq(thrown, 'TypeError'); |