swc/crates/swc_ecma_parser/tests/tsc/for-of35.ts

//@target: ES6
//@noImplicitAny: true
class StringIterator {
    next() {
        return {
            done: true,
            value: v
        }
    }

    [Symbol.iterator]() {
        return this;
    }
}

for (var v of new StringIterator) { }