| // |jit-test| error: ReferenceError | |
| load(libdir + "immutable-prototype.js"); | |
| p = Proxy.create({ | |
| has: function() {}, | |
| set: function() {} | |
| }); | |
| if (globalPrototypeChainIsMutable()) | |
| Object.prototype.__proto__ = p; | |
| n = []; | |
| (function() { | |
| var a = []; | |
| if (b) t = a.s() | |
| })() |