func math/bits.TrailingZeros64

4 uses

	math/bits (current package)
		bits.go#L63: 	return TrailingZeros64(uint64(x))
		bits.go#L90: func TrailingZeros64(x uint64) int {

	github.com/klauspost/compress/flate
		level1.go#L133: 						l += int32(bits.TrailingZeros64(diff) >> 3)

	strconv
		ftoaryu.go#L234: 	if exp <= 0 && bits.TrailingZeros64(mant) >= -exp {