message: Fixing a bug in concat
diff: @@ -576,6 +576,12 @@ class MklConcatOp : public OpKernel {
  // format and avoid calling eigen version.
  if (!are_all_tf_inputs && !are_all_mkl_inputs) invoke_eigen = true;
  +#ifdef ENABLE_MKLDNN_V1
  + // Temporally call Eigen if number of input dimensions is 2.
  + // That is due to an incorrect output results in DNNL 1.2 path.
  + if (expected_dims == 2) invoke_eigen = true;
  +#endif // ENABLE_MKLDNN_V1
  +
  OpInputList input_mins, input_maxes;
  bool quantized_input =
  std::is_same<T, qint8>::value || std::is_same<T, quint8>::value;
  