message: Change definition of tensorflow::int64 to std::int64_t.
  There is no reason for TensorFlow to have its own special non-standard `int64` type any more; we can use the standard one instead.
diff: @@ -16,6 +16,8 @@ limitations under the License.
  #ifndef TENSORFLOW_CORE_PLATFORM_DEFAULT_INTEGRAL_TYPES_H_
  #define TENSORFLOW_CORE_PLATFORM_DEFAULT_INTEGRAL_TYPES_H_
  +#include <cstdint>
  +
  // IWYU pragma: private, include "third_party/tensorflow/core/platform/types.h"
  // IWYU pragma: friend third_party/tensorflow/core/platform/types.h
  @@ -24,12 +26,12 @@ namespace tensorflow {
  typedef signed char int8;
  typedef short int16;
  typedef int int32;
  -typedef long long int64;
  +typedef std::int64_t int64;
  typedef unsigned char uint8;
  typedef unsigned short uint16;
  typedef unsigned int uint32;
  -typedef unsigned long long uint64;
  +typedef std::uint64_t uint64;
  } // namespace tensorflow
  