// R_ARM64_LDST8 sets a LD/ST immediate value to bits [11:0] of a local address.
	R_ARM64_LDST8

	// R_ARM64_LDST16 sets a LD/ST immediate value to bits [11:1] of a local address.
	R_ARM64_LDST16

	// R_ARM64_LDST32 sets a LD/ST immediate value to bits [11:2] of a local address.
	R_ARM64_LDST32

	// R_ARM64_LDST64 sets a LD/ST immediate value to bits [11:3] of a local address.
	R_ARM64_LDST64

		return nil, errors.New("edwards25519: invalid field element input size")
	}

	// Bits 0:51 (bytes 0:8, bits 0:64, shift 0, mask 51).
	v.l0 = byteorder.LeUint64(x[0:8])
	v.l0 &= maskLow51Bits
	// Bits 51:102 (bytes 6:14, bits 48:112, shift 3, mask 51).
	v.l1 = byteorder.LeUint64(x[6:14]) >> 3
	v.l1 &= maskLow51Bits
	// Bits 102:153 (bytes 12:20, bits 96:160, shift 6, mask 51).
	v.l2 = byteorder.LeUint64(x[12:20]) >> 6

)

// The following test should not panic.
func TestIssue5915(t *testing.T) {
	bits := []int{4, 0, 0, 6, 4, 3, 2, 3, 3, 4, 4, 5, 0, 0, 0, 0, 5, 5, 6,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, 8, 6, 0, 11, 0, 8, 0, 6, 6, 10, 8}
	var h huffmanDecoder
	if h.init(bits) {
		t.Fatalf("Given sequence of bits is bad, and should not succeed.")
	}
}

// The following test should not panic.

public abstract class HashCode {
  HashCode() {}

  /** Returns the number of bits in this hash code; a positive multiple of 8. */
  public abstract int bits();

  /**
   * Returns the first four bytes of {@linkplain #asBytes() this hashcode's bytes}, converted to an
   * {@code int} value in little-endian order.
   *
   * @throws IllegalStateException if {@code bits() < 32}
   */
  public abstract int asInt();

  /**

}

// SetFloat64 sets z to exactly f and returns z.
// If f is not finite, SetFloat returns nil.
func (z *Rat) SetFloat64(f float64) *Rat {
	const expMask = 1<<11 - 1
	bits := math.Float64bits(f)
	mantissa := bits & (1<<52 - 1)
	exp := int((bits >> 52) & expMask)
	switch exp {
	case expMask: // non-finite
		return nil
	case 0: // denormal
		exp -= 1022
	default: // normal
		mantissa |= 1 << 52
		exp -= 1023
	}

pkg log, method (*Logger) Writer() io.Writer
pkg math/bits, func Add(uint, uint, uint) (uint, uint)
pkg math/bits, func Add32(uint32, uint32, uint32) (uint32, uint32)
pkg math/bits, func Add64(uint64, uint64, uint64) (uint64, uint64)
pkg math/bits, func Div(uint, uint, uint) (uint, uint)
pkg math/bits, func Div32(uint32, uint32, uint32) (uint32, uint32)
pkg math/bits, func Div64(uint64, uint64, uint64) (uint64, uint64)

overflow:
	// ±Inf
	mant = 0
	exp = 1<<flt.expbits - 1 + flt.bias
	overflow = true

out:
	// Assemble bits.
	bits := mant & (uint64(1)<<flt.mantbits - 1)
	bits |= uint64((exp-flt.bias)&(1<<flt.expbits-1)) << flt.mantbits
	if d.neg {
		bits |= 1 << flt.mantbits << flt.expbits
	}
	return bits, overflow
}

// Exact powers of 10.
var float64pow10 = []float64{

			}
			fallthrough
		case '0', '1':
			bits <<= wid
			bits |= uint64(c - '0')
		case 'a', 'b', 'c', 'd', 'e', 'f', 'A', 'B', 'C', 'D', 'E', 'F':
			if wid != 4 {
				return nil, &parseError{"invalid pattern syntax: " + pattern}
			}
			bits <<= 4
			bits |= uint64(c&^0x20 - 'A' + 10)
		case 'y':
			if i+1 < len(p) && (p[i+1] == '0' || p[i+1] == '1') {

					name = fmt.Sprintf("%dM", size/1e6)
				}
				b.Run("size="+name, func(b *testing.B) {
					for _, bits := range []int{32, 64} {
						if ^uint(0) == 0xffffffff && bits == 64 {
							continue
						}
						b.Run(fmt.Sprintf("bits=%d", bits), func(b *testing.B) {
							cleanup := setBits(bits)
							defer cleanup()

							b.SetBytes(int64(len(data)))
							b.ReportAllocs()

		// There's not enough bits in the hash output, so we
		// expect a nontrivial number of collisions, and it is
		// often quite a bit higher than expected. See issue 43130.
		t.Skip("Flaky on 32-bit systems")
	}
	if testing.Short() {
		t.Skip("Skipping in short mode")
	}
	const BITS = 16

	for r := 0; r < k.bits(); r++ {
		for i := 0; i < 1<<BITS; i++ {
			k.clear()