{"/b/", "/b/{x...}", equivalent},

		{"/{z}/", "/{z}/a", moreGeneral},
		{"/{z}/", "/{z}/a/b", moreGeneral},
		{"/{z}/", "/{z}/{$}", moreGeneral},
		{"/{z}/", "/{z}/{x}", moreGeneral},
		{"/{z}/", "/{z}/", equivalent},
		{"/{z}/", "/a/", moreGeneral},
		{"/{z}/", "/{z}/{x...}", equivalent},
		{"/{z}/", "/a/{x...}", moreGeneral},
		{"/a/{z}/", "/{z}/a/", overlaps},
		{"/a/{z}/b/", "/{x}/c/{y...}", overlaps},

func (z nat) sqr(x nat) nat {
	n := len(x)
	switch {
	case n == 0:
		return z[:0]
	case n == 1:
		d := x[0]
		z = z.make(2)
		z[1], z[0] = mulWW(d, d)
		return z.norm()
	}

	if alias(z, x) {
		z = nil // z is an alias for x - cannot reuse
	}

	if n < basicSqrThreshold {
		z = z.make(2 * n)
		basicMul(z, x, x)
		return z.norm()
	}
	if n < karatsubaSqrThreshold {
		z = z.make(2 * n)

		return true
	}
	// match: (CMPconst [0] z:(AND x y))
	// cond: v.Block == z.Block
	// result: (CMPconst [0] convertPPC64OpToOpCC(z))
	for {
		if auxIntToInt64(v.AuxInt) != 0 {
			break
		}
		z := v_0
		if z.Op != OpPPC64AND {
			break
		}
		if !(v.Block == z.Block) {
			break
		}
		v.reset(OpPPC64CMPconst)
		v.AuxInt = int64ToAuxInt(0)
		v.AddArg(convertPPC64OpToOpCC(z))

)

// DecodeMsg implements msgp.Decodable
func (z *localLockMap) DecodeMsg(dc *msgp.Reader) (err error) {
	var zb0004 uint32
	zb0004, err = dc.ReadMapHeader()
	if err != nil {
		err = msgp.WrapError(err)
		return
	}
	if (*z) == nil {
		(*z) = make(localLockMap, zb0004)
	} else if len((*z)) > 0 {
		for key := range *z {
			delete((*z), key)
		}
	}
	var field []byte
	_ = field
	for zb0004 > 0 {

// Abs sets z to |x| (the absolute value of x) and returns z.
func (z *Int) Abs(x *Int) *Int {
	z.Set(x)
	z.neg = false
	return z
}

// Neg sets z to -x and returns z.
func (z *Int) Neg(x *Int) *Int {
	z.Set(x)
	z.neg = len(z.abs) > 0 && !z.neg // 0 has no sign
	return z
}

// Add sets z to the sum x+y and returns z.
func (z *Int) Add(x, y *Int) *Int {
	neg := x.neg
	if x.neg == y.neg {

	if z.prec == 0 {
		z.prec = 64
	}
	z.acc = Exact
	z.neg = neg
	if x == 0 {
		z.form = zero
		return z
	}
	// x != 0
	z.form = finite
	s := bits.LeadingZeros64(x)
	z.mant = z.mant.setUint64(x << uint(s))
	z.exp = int32(64 - s) // always fits
	if z.prec < 64 {
		z.round(0)
	}
	return z
}

// SetUint64 sets z to the (possibly rounded) value of x and returns z.

				return
			}
			if cap(z.Distribution) >= int(zb0002) {
				z.Distribution = (z.Distribution)[:zb0002]
			} else {
				z.Distribution = make([]int, zb0002)
			}
			for za0001 := range z.Distribution {
				z.Distribution[za0001], err = dc.ReadInt()
				if err != nil {
					err = msgp.WrapError(err, "Distribution", za0001)
					return
				}
			}
		case "Checksums":

    - path: cluster/images/etcd/Makefile
      match: BASEIMAGE\?\=registry\.k8s\.io\/build-image\/debian-base-arm:[a-zA-Z]+\-v((([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)
    - path: cluster/images/etcd/Makefile

			if err != nil {
				err = msgp.WrapError(err, "QueuedBuckets")
				return
			}
			if cap(z.QueuedBuckets) >= int(zb0002) {
				z.QueuedBuckets = (z.QueuedBuckets)[:zb0002]
			} else {
				z.QueuedBuckets = make([]string, zb0002)
			}
			for za0001 := range z.QueuedBuckets {
				z.QueuedBuckets[za0001], err = dc.ReadString()
				if err != nil {
					err = msgp.WrapError(err, "QueuedBuckets", za0001)
					return
				}

		(*z) = (*z)[:zb0002]
	} else {
		(*z) = make(rstats, zb0002)
	}
	for zb0001 := range *z {
		if dc.IsNil() {
			err = dc.ReadNil()
			if err != nil {
				err = msgp.WrapError(err, zb0001)
				return
			}
			(*z)[zb0001] = nil
		} else {
			if (*z)[zb0001] == nil {
				(*z)[zb0001] = new(rebalanceStats)
			}
			err = (*z)[zb0001].DecodeMsg(dc)
			if err != nil {