FLAG_IN_TREE
if (!label->hname && label->flags & FLAG_IN_TREE) {
if (label->flags & FLAG_IN_TREE)
if (label->flags & FLAG_IN_TREE) {
label->flags &= ~FLAG_IN_TREE;
AA_BUG(new->flags & FLAG_IN_TREE);
if (old->flags & FLAG_IN_TREE) {
old->flags &= ~FLAG_IN_TREE;
new->flags |= FLAG_IN_TREE;
AA_BUG(label->flags & FLAG_IN_TREE);
label->flags |= FLAG_IN_TREE;