//19
L1: 
if ( 1 ) {
  //20
  if (!( 1 )) {
    label = 4;
    break L1;
  }
  //21
  break L1;
} else {
  label = 4;
}
if (label == 4) {
  //22
}
//23
if ( 1 ) {
  //24
} else {
  //28
}