fun foo(a: Int) {
    @A
    while (true) {
        @B
        while (true) {
            if (a > 0) break@A
            if (a < 0) <selection>break@B</selection>
        }

        @B
        while (true) {
            if (a > 0) break@A
            if (a < 0) break@B
        }
    }
}