test262/implementation-contributed/javascriptcore/stress/to-object-intrinsic-string-edge.js

var createBuiltin = $vm.createBuiltin;

function shouldBe(actual, expected) {
    if (actual !== expected)
        throw new Error('bad value: ' + actual);
}

var builtin = createBuiltin(`(function (target) {
    return @toObject(target, "");
})`);
noInline(builtin);

(function () {
    for (var i = 0; i < 1e4; ++i) {
        var object = builtin("Cocoa");
        shouldBe(object instanceof String, true);
        shouldBe(object.valueOf(), "Cocoa");
    }
}());