Function SubtleMustCopy

tensorflow/core/framework/bounds_check.h:45–50

// etc).  It does not guarantee any atomicity or barriers.
template <typename T>
EIGEN_ALWAYS_INLINE EIGEN_DEVICE_FUNC const T SubtleMustCopy(const T &x) {
  static_assert(std::is_integral<T>::value,
                "SubtleMustCopy can only be used on integer types.");
  auto *to_x = reinterpret_cast<const volatile T *>(&x);
  return *to_x;
}
}  // namespace internal
}  // namespace tensorflow