codeql/javascript/ql/test/query-tests/Declarations/ClobberingVarInit/tst.js

for (var iter in Iterator(aExtraHeaders)) {
    var key = iter[0], key = iter[1]; // $ Alert
    xhr.setRequestHeader(key, value);
}


var tmp = f(),
    tmp = tmp + 19;


var a, b, a = 42;