Nuglify has issues with for of

[cuethenoise]

I am using the latest version of Nuglify.

The code

function Test(iterable) {
    for (let value of Object.values(iterable)) {       
        console.log(value);
    }
}
Test({
    foo: 10,
    bar: 12
});

Is being minified to:

function Test(n) {
    for (let n of Object.values(n))
        console.log(n)
}
Test({
    foo: 10,
    bar: 12
})

which results in the error:

Uncaught ReferenceError: Cannot access 'n' before initialization

Expected output would be:

function Test(n) {
    for (let o of Object.values(n))
        console.log(o)
}
Test({
    foo: 10,
    bar: 12
})

The latest version of uglify (3.17.4) in Debian produces the expected output.

My "workaround is to use var instead of let:

function Test(iterable) {
    for (var value of Object.values(iterable)) {       
        console.log(value);
    }
}
Test({
    foo: 10,
    bar: 12
});

[trullock]

yep, its let/const that cause this, var is the workaround.

PRs welcome