func invalidSep(x string) int {
	x1 := ' ' // prefix char, we only care if it's 'x'
	d := '.'  // digit, one of '_', '0' (a digit), or '.' (anything else)
	i := 0

	// a prefix counts as a digit
	if len(x) >= 2 && x[0] == '0' {
		x1 = lower(rune(x[1]))
		if x1 == 'x' || x1 == 'o' || x1 == 'b' {
			d = '0'
			i = 2
		}
	}

	// mantissa and exponent

func (z *Int) And(x, y *Int) *Int {
	if x.neg == y.neg {
		if x.neg {
			// (-x) & (-y) == ^(x-1) & ^(y-1) == ^((x-1) | (y-1)) == -(((x-1) | (y-1)) + 1)
			x1 := nat(nil).sub(x.abs, natOne)
			y1 := nat(nil).sub(y.abs, natOne)
			z.abs = z.abs.add(z.abs.or(x1, y1), natOne)
			z.neg = true // z cannot be zero if x and y are negative
			return z
		}

		// x & y == x & y
		z.abs = z.abs.and(x.abs, y.abs)

    // We also want to adjust vb.baseVal.x so that u.x remains at same
    // screen X coordinate.  In other words, want to change it from x1 to x2
    // so that:
    //     (u.x - x1) / w1 = (u.x - x2) / w2
    // Simplifying that, we get
    //     (u.x - x1) * (w2 / w1) = u.x - x2
    //     x2 = u.x - (u.x - x1) * (w2 / w1)
    vb.baseVal.x = u.x - (u.x - vb.baseVal.x) * (w2 / w1);
    vb.baseVal.y = u.y - (u.y - vb.baseVal.y) * (h2 / h1);
  }

		h     uint64
		i, i1 float32
		j, j1 float64
		k     unsafe.Pointer
		l     *uint16
		m     [4]byte
	)
	type x1t struct {
		x uint8
	}
	type y1t struct {
		x1 x1t
		y  uint8
	}
	var x1 x1t
	var y1 y1t

	if unsafe.Sizeof(a) != 1 {
		throw("bad a")
	}
	if unsafe.Sizeof(b) != 1 {
		throw("bad b")
	}
	if unsafe.Sizeof(c) != 2 {
		throw("bad c")
	}

	f.Add(uint64(0x7FF0000000000001)) // signaling NaN
	f.Add(math.Float64bits(math.Inf(1)))
	f.Add(math.Float64bits(math.Inf(-1)))

	f.Fuzz(func(t *testing.T, u1 uint64) {
		x1 := math.Float64frombits(u1)

		b := marshalCorpusFile(x1)
		t.Logf("marshaled math.Float64frombits(0x%x):\n%s", u1, b)

		xs, err := unmarshalCorpusFile(b)
		if err != nil {
			t.Fatal(err)
		}
		if len(xs) != 1 {

      dot.getPrecisionConfigAttr());
  return success();
}

// Convert:
//   %y0 = dot_general(%x0, %w)
//   %y1 = dot_general(%x1, %w)
//   ...
//   concatenate(%y0, %y1, ...)
// To:
//   %x = concatenate(%x0, %x1, ...)
//   dot_general(%x, %w)
LogicalResult LiftDotConcatLHS(mhlo::ConcatenateOp concat,
                               PatternRewriter &rewriter) {

			check.dump("%v: trace() without arguments", call.Pos())
			x.mode = novalue
			break
		}
		var t operand
		x1 := x
		for _, arg := range argList {
			check.rawExpr(nil, x1, arg, nil, false) // permit trace for types, e.g.: new(trace(T))
			check.dump("%v: %s", x1.Pos(), x1)
			x1 = &t // use incoming x only for first argument
		}
		if x.mode == invalid {
			return
		}

		for i := 0; i < len(tfs) && i < len(xfs); i++ {
			t1, x1 := tfs[i], xfs[i]
			if t1.Embedded != x1.Embedded {
				return cmpForNe(t1.Embedded < x1.Embedded)
			}
			if t1.Note != x1.Note {
				return cmpForNe(t1.Note < x1.Note)
			}
			if c := t1.Sym.cmpsym(x1.Sym); c != CMPeq {
				return c
			}
			if c := t1.Type.cmp(x1.Type); c != CMPeq {
				return c
			}
		}

				{1, 65280}, // X0 X1 X2 X3 X4 X5 X6 X7
			},
			outputs: []outputInfo{
				{0, 65280}, // X0 X1 X2 X3 X4 X5 X6 X7
			},
		},
	},
	{
		name:         "SUBSD",
		argLen:       2,
		resultInArg0: true,
		asm:          x86.ASUBSD,
		reg: regInfo{
			inputs: []inputInfo{
				{0, 65280}, // X0 X1 X2 X3 X4 X5 X6 X7
				{1, 65280}, // X0 X1 X2 X3 X4 X5 X6 X7
			},

   *     null}.
   */
  @Deprecated
  @J2ktIncompatible
  @GwtIncompatible // propagateIfInstanceOf
  public static <X1 extends Throwable, X2 extends Throwable> void propagateIfPossible(
      @CheckForNull Throwable throwable, Class<X1> declaredType1, Class<X2> declaredType2)
      throws X1, X2 {
    checkNotNull(declaredType2);
    propagateIfInstanceOf(throwable, declaredType1);