return
	}
	if !buildcfg.Experiment.FieldTrack || len(tracked) == 0 {
		return
	}

	trackSyms := make([]*obj.LSym, 0, len(tracked))
	for sym := range tracked {
		trackSyms = append(trackSyms, sym)
	}
	sort.Slice(trackSyms, func(i, j int) bool { return trackSyms[i].Name < trackSyms[j].Name })
	for _, sym := range trackSyms {
		r := obj.Addrel(fnsym)
		r.Sym = sym
		r.Type = objabi.R_USEFIELD
	}
}