code: private Label createLabel(int offset, Label[] labels) {
        Label label = readLabel(offset, labels);
        label.status &= ~Label.DEBUG;
        return label;
      }
docs: Creates a label without the Label.DEBUG flag set, for the given offset.
  The label is created with a call to {@link #readLabel} and its
  Label.DEBUG flag is cleared.
  
  @param offset
  a bytecode offset in a method.
  @param labels
  the already created labels, indexed by their offset.
  @return a Label without the Label.DEBUG flag set.