testCases = append(testCases,
		testCase{capitalLetters, "brad", "BrAd"},
		testCase{capitalLetters, Repeat("a", (32<<10)+123), Repeat("A", (32<<10)+123)},
		testCase{capitalLetters, "", ""},

		testCase{inc, "brad", "csbe"},
		testCase{inc, "\x00\xff", "\x01\x00"},
		testCase{inc, "", ""},

		testCase{NewReplacer("a", "1", "a", "2"), "brad", "br1d"},
	)

	// repeat maps "a"->"a", "b"->"bb", "c"->"ccc", ...

# CL 134210043 archive/zip: add Writer.Flush, Brad Fitzpatrick <******@****.***>
pkg archive/zip, method (*Writer) Flush() error

# CL 97140043 compress/flate: add Reset() to allow reusing large buffers to compress multiple buffers, James Robinson <******@****.***>
pkg compress/flate, type Resetter interface { Reset }
pkg compress/flate, type Resetter interface, Reset(io.Reader, []uint8) error
pkg compress/zlib, type Resetter interface { Reset }

		wantErr string
	}
	execTests := []execTest{
		// Okay:
		{[]any{"Brad", 31}, ""},
		{[]any{"Brad", int64(31)}, ""},
		{[]any{"Bob", "32"}, ""},
		{[]any{7, 9}, ""},

		// Invalid conversions:
		{[]any{"Brad", int64(0xFFFFFFFF)}, "sql: converting argument $2 type: sql/driver: value 4294967295 overflows int32"},

@tf.RegisterGradient('NewConv2D')
def _conv_add_relu_grad(op: ops.Operation, grad):
  act = op.get_attr('act')
  y = op.outputs[0]
  if act == 'RELU':
    grad = gen_nn_ops.relu_grad(grad, y)
  elif act == 'RELU6':
    grad = gen_nn_ops.relu6_grad(grad, y)
  elif act == 'TANH':
    y = math_ops.conj(y)
    grad = gen_math_ops.tanh_grad(y, grad)

  broadcast_shape = tf.shape(y)
  input_value_shape = tf.shape(op.inputs[2])

               std::vector<Output>* grad_outputs) {
  auto grad = grad_inputs[0];
  auto two_over_root_pi =
      Cast(scope, Const(scope, 2 / std::sqrt(M_PI)), grad.type());
  Scope grad_scope = scope.WithControlDependencies(grad);
  auto x = ConjugateHelper(grad_scope, op.input(0));
  // grad * 2/sqrt(pi) * exp(-x**2)
  auto dx = Mul(grad_scope, Mul(grad_scope, grad, two_over_root_pi),

    auto multiply_result = Multiply(scope, subtraction_result, logits_softmax);
    grad = Add(scope, grad, multiply_result);
  }
  auto minus_log_softmax = Multiply(scope, LogSoftmax(scope, logits), -1.0f);
  grad_outputs->push_back(grad);
  grad_outputs->push_back(BroadcastMul(scope, grad_loss, minus_log_softmax));
  return scope.status();
}

    // CHECK: [[GRAD_SQUARE:%.*]] = "tf.Mul"([[GRAD]], [[GRAD]]) : (tensor<f32>, tensor<f32>) -> tensor<f32>
    // CHECK: [[NEW_ACC:%.*]] = "tf.AddV2"([[OLD_ACC]], [[GRAD_SQUARE]]) : (tensor<*xf32>, tensor<f32>) -> tensor<*xf32>
    // CHECK: [[LR_MULTIPLY:%.*]] = "tf.Mul"([[LR]], [[GRAD]]) : (tensor<f32>, tensor<f32>) -> tensor<f32>

     (CreateTFReadVariableOp $src_op, $grad, $ms_resource),
     (TF_AddV2Op:$ms_new
       (TF_MulOp
         (TF_MulOp $grad, $grad),
         (TF_SubOp $one, $rho)
       ),
       (TF_MulOp
          (CreateTFReadVariableOp $src_op, $grad, $ms_resource),
          $rho
       )
     ),
     (TF_AssignVariableOp $ms_resource, $ms_new, (CreateConstBoolAttrFalse)),
     // mg = grad * (one - rho) + mg * rho;

    /* Given upstream grad U and a Sub op A-B, the gradients are:
     *
     *    dA =  U
     *    dB = -U
     *
     */

    // Grad for A
    DCHECK(grad_outputs[0]);
    grad_inputs[0] = grad_outputs[0];
    grad_inputs[0]->Ref();

    // Grad for B
    // negate the upstream grad
    std::string name = "Neg_Sub_Grad_B";
    TF_RETURN_IF_ERROR(

                 absl::Span<AbstractTensorHandle*> grad_inputs) override {
    // Grad for Softmax Input
    TF_RETURN_IF_ERROR(BroadcastMul(
        ctx, grad_outputs[0], forward_outputs_[1],
        grad_inputs.subspan(0, 1)));  // upstream_grad * local softmax grad

    // Grad for labels is null
    grad_inputs[1] = nullptr;
    return absl::OkStatus();
  }