src/third_party/mozjs-45/js/src/jit-test/tests/basic/bug1134146.js

function Foo(a, b) {
    b = {};
    this.b = b;
};
var a = [];
for (var i = 0; i < 50; i++)
    a.push(new Foo(i, i + 1));
i = 0;
a[i].c = i;