return true
		}
		x = sa.set.cc | sb.set.cc | sa.used.cc | sb.used.cc
		if x&E_MEM != 0 {
			return true
		}
		if offoverlap(sa, sb) {
			return true
		}
	}

	return false
}

func offoverlap(sa, sb *Sch) bool {
	if sa.soffset < sb.soffset {
		if sa.soffset+int32(sa.size) > sb.soffset {
			return true
		}
		return false
	}