src/third_party/mozjs-45/js/src/jit-test/tests/basic/bug727223.js

try {
    mjitChunkLimit(1)
    function x() {}
} catch (e) {}
(function() {
    for (let c in [0, 0, 0]) {
        let c
        for (y in decodeURI()) {
            (function() {
                c
            }())
        }
    }
}())