EXPECT_EQ(2, product[0]);
  EXPECT_EQ(4, product[1]);
  EXPECT_EQ(6, product[2]);
  EXPECT_EQ(8, product[3]);

  // When we turn on grappler, confirm that the tf.Add has been rewritten into a
  // tf.Mul.
  // This capability of checking the executed op names is currently only enabled
  // for TFRT debug build, for performance and simplicity reasons.
  if (use_tfrt) {
    TF_Buffer* buf = TF_NewBuffer();

	// Since we cannot return an error on overflow,
	// we should panic if the repeat will generate an overflow.
	// See golang.org/issue/16237.
	if count < 0 {
		panic("bytes: negative Repeat count")
	}
	hi, lo := bits.Mul(uint(len(b)), uint(count))
	if hi > 0 || lo > uint(maxInt) {
		panic("bytes: Repeat output length overflow")
	}
	n := int(lo) // lo = len(b) * count

	if len(b) == 0 {
		return []byte{}
	}

pkg math/big, method (*Float) IsInt() bool
pkg math/big, method (*Float) MantExp(*Float) int
pkg math/big, method (*Float) MinPrec() uint
pkg math/big, method (*Float) Mode() RoundingMode
pkg math/big, method (*Float) Mul(*Float, *Float) *Float
pkg math/big, method (*Float) Neg(*Float) *Float
pkg math/big, method (*Float) Parse(string, int) (*Float, int, error)
pkg math/big, method (*Float) Prec() uint

    *   Unary GPU kernels: Abs, Atanh, Acos, Acosh, Asin, Asinh, Atan, Cos, Cosh, Sin, Sinh, Tan, Tanh.
    *   Binary GPU kernels: AddV2, Sub, Div, DivNoNan, Mul, MulNoNan, FloorDiv, Equal, NotEqual, Greater, GreaterEqual, LessEqual, Less.

* `tf.lite`
    * Add experimental supports conversion of models that may be larger than 2GB before buffer deduplication

TEST_F(CApiGradientsTest, MultipleCallsToAddGradients) {
  const float X = 3.0f, Y = 7.0f;
  TF_Operation* x = Placeholder(graph_, s_, "x", TF_FLOAT);
  TF_Operation* y = Placeholder(graph_, s_, "y", TF_FLOAT);
  TF_Operation* xy = Mul(x, y, graph_, s_, "xy");
  TF_Output dxy_dx, dxy_dy;

  TF_Output outputs[1] = {{xy, 0}};
  TF_Output inputs[1] = {{x, 0}};
  TF_AddGradients(graph_, outputs, 1, inputs, 1, nullptr, s_, &dxy_dx);

pkg go/token, const LEQ Token
pkg go/token, const LOR Token
pkg go/token, const LPAREN Token
pkg go/token, const LSS Token
pkg go/token, const LowestPrec ideal-int
pkg go/token, const MAP Token
pkg go/token, const MUL Token
pkg go/token, const MUL_ASSIGN Token
pkg go/token, const NEQ Token
pkg go/token, const NOT Token
pkg go/token, const NoPos Pos
pkg go/token, const OR Token
pkg go/token, const OR_ASSIGN Token

pkg go/token, const LEQ = 45
pkg go/token, const LOR = 35
pkg go/token, const LPAREN = 49
pkg go/token, const LSS = 40
pkg go/token, const LowestPrec = 0
pkg go/token, const MAP = 77
pkg go/token, const MUL = 14
pkg go/token, const MUL_ASSIGN = 25
pkg go/token, const NEQ = 44
pkg go/token, const NOT = 43
pkg go/token, const NoPos = 0
pkg go/token, const OR = 18
pkg go/token, const OR_ASSIGN = 29