while (true)
    ;
while (true)
    1
while (true) {}
while (true) {
    1
}

while ((true))
    ;
while ((true)) {}
while ((true)) {
    1
}

while ((true))
    ;
while ((true)) {}
while ((true)) {
    1
}

while (x && !y)
    x++;

while (foo.length < 5) {
    x++;
    y++
}

while (true)
    while (true)
        while (true)
            while (true)
                ;

while (true)
    while (true) {
        while (true)
            1
    }

while (true)
    while (true)
        1;