function assert(b) {
    if (!b)
        throw new Error("bad assertion");
}
noInline(assert);

;(function() {
    function test1() {
        let x = 20;
        function foo() {
            label: {
                let y = 21;
                let capY = function () { return y; }
                assert(x === 20);
                break label;
            }
            assert(x === 20);
        }
        foo();
    }

    function test2() {
        let x = 20;
        function capX() { return x; }
        function foo() {
            label1: {
                label2: {
                    let y = 21;
                    let capY = function () { return y; }
                    break label2;
                }
                assert(x === 20);
            }
            assert(x === 20);

            label1: {
                label2: {
                    let y = 21;
                    let capY = function () { return y; }
                    assert(x === 20);
                    assert(y === 21);
                    break label1;
                }
            }
            assert(x === 20);

            label1: {
                let y = 21;
                let capY = function () { return y; }
                label2: {
                    let y = 21;
                    let capY = function () { return y; }
                    assert(x === 20);
                    assert(y === 21);
                    break label1;
                }
            }
            assert(x === 20);
        }
        foo()
    }

    function test3() {
        let x = 20;
        function capX() { return x; }
        function foo() {
            loop1: for (var i = 0; i++ < 1000; ) {
                //assert(x === 20);
                loop2: for (var j = 0; j++ < 1000; ) {
                    let y = 21;
                    let capY = function() { return y; }
                    assert(x === 20);
                    assert(y === 21);
                    continue loop1;
                    //break loop1;
                }
            }
            assert(x === 20);
        }
        foo()
    }

    function test4() {
        let x = 20;
        function capX() { return x; }
        function foo() {
            loop1: for (var i = 0; i++ < 1000; ) {
                loop2: for (var j = 0; j++ < 1000; ) {
                    let y = 21;
                    let capY = function() { return y; }
                    assert(x === 20);
                    assert(y === 21);
                    break loop1;
                }
            }
            assert(x === 20);
        }
        foo()
    }

    function test5() {
        let x = 20;
        function capX() { return x; }
        function foo() {
            loop1: for (var i = 0; i++ < 1000; ) {
                let y = 21;
                let capY = function() { return y; }
                loop2: for (var j = 0; j++ < 1000; ) {
                    let y = 21;
                    let capY = function() { return y; }
                    assert(x === 20);
                    assert(y === 21);
                    break loop1;
                }
            }
            assert(x === 20);
        }
        foo()
    }

    function test6() {
        let x = 20;
        function capX() { return x; }
        function foo() {
            loop1: for (var i = 0; i++ < 1000; ) {
                assert(x === 20);
                let y = 21;
                let capY = function() { return y; }
                loop2: for (var j = 0; j++ < 1000; ) {
                    let y = 21;
                    let capY = function() { return y; }
                    assert(x === 20);
                    assert(y === 21);
                    try {
                        throw new Error();            
                    } catch(e) {
                    } finally {
                        assert(x === 20);
                        continue loop1;    
                    }
                }
            }
            assert(x === 20);
        }
        foo()
    }

    function test7() {
        let x = 20;
        function capX() { return x; }
        function foo() {
            loop1: for (var i = 0; i++ < 1000; ) {
                assert(x === 20);
                let y = 21;
                let capY = function() { return y; }
                loop2: for (var j = 0; j++ < 1000; ) {
                    let y = 21;
                    let capY = function() { return y; }
                    assert(x === 20);
                    assert(y === 21);
                    try {
                        throw new Error();            
                    } catch(e) {
                        continue loop1;
                    } finally {
                        let x = 40;
                        let capX = function() { return x; }
                        assert(x === 40);
                    }
                }
            }
            assert(x === 20);
        }
        foo()
    }

    function test8() {
        let x = 20;
        function capX() { return x; }
        function foo() {
            loop1: for (var i = 0; i++ < 1000; ) {
                assert(x === 20);
                let y = 21;
                let capY = function() { return y; }
                loop2: for (var j = 0; j++ < 1000; ) {
                    let y = 21;
                    let capY = function() { return y; }
                    assert(x === 20);
                    assert(y === 21);
                    try {
                        throw new Error();            
                    } catch(e) {
                        break loop1;
                    } finally {
                        let x = 40;
                        let capX = function() { return x; }
                        assert(x === 40);
                    }
                }
            }
            assert(x === 20);
        }
        foo()
    }

    for (var i = 0; i < 10; i++) {
        test1();
        test2();
        test3();
        test4();
        test5();
        test6();
        test7();
        test8();
    }
})();