{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"if"}]}
            if outlives_env.free_region_map().sub_free_regions(tcx, candidate, victim)
            // If `candidate <: victim` and `victim <: candidate`, then they're equal.
                && outlives_env.free_region_map().sub_free_regions(tcx, victim, candidate)