recover-newarrayiterator.js

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var max = 40;

setJitCompilerOption("ion.warmup.trigger", max - 10);

// Prevent the GC from cancelling Ion compilations, when we expect them to succeed

gczeal(0);

function selfhosted() {

    if (typeof getSelfHostedValue === "undefined")

        return;

    var NewArrayIterator = getSelfHostedValue("NewArrayIterator");

    var iter = NewArrayIterator();

    bailout();

    // assertRecoveredOnBailout(iter, true);

function iterator(i) {

    var array = [1, i];

    var iter = array[Symbol.iterator]();

    assertEq(iter.next().value, 1);

    bailout();

    // This sometimes fails

    // assertRecoveredOnBailout(iter, true);

    var result = iter.next();

    assertEq(result.value, i);

    assertEq(result.done, false);

    assertEq(iter.next().done, true);

function forof(i) {

    var array = [1, i];

    var first = true;

    for (var x of array) {

        if (first) {

            assertEq(x, 1);

            bailout();

            first = false;

        } else {

            assertEq(x, i);

var data = {

  a: 'foo',

  b: {c: 'd'},

  arr: [1, 2, 3]

};

function fn() {

  var {a, b:{c:b}, arr:[, c]} = data;

  return c;

function destructuring() {

    for (var i = 0; i < max; i++)

        assertEq(fn(), 2);

for (var i = 0; i < max; i++) {

    selfhosted();

    iterator(i);

    forof(i);

    destructuring();