// |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() | |
})() |