src/third_party/mozjs-45/js/src/jit-test/tests/jaeger/bug643653-1.js

function f(x) {
    var a;
    var b = [1].length;
    var c = x;
    var d = b + 1;
    AA = x;
    a = d;
    assertEq(b + d, 3);
}
f();