src/third_party/mozjs-45/js/src/jit-test/tests/ion/bug1072911.js

function X () {};
function Y () {};
function testCallProtoMethod() {
    var a = [new X, new X, __proto__, new Y, new Y];
}
testCallProtoMethod();

function testNot() {
    var r;
    for (var i = 0; i < 10; ++i)
        r = [];
}
testNot();