| L2JIT.FIRST_CHILD s -> LOOP ((Tree.first_child tree t), s, ctx)
| L2JIT.NEXT_SIBLING s -> LOOP ((Tree.next_sibling tree t), s, ctx)
| L2JIT.FIRST_CHILD s -> LOOP ((Tree.first_child tree t), s, ctx)
| L2JIT.NEXT_SIBLING s -> LOOP ((Tree.next_sibling tree t), s, ctx)