message: Fixed merge loss of shape field in [Sparse]TensorTypeProto.
diff: @@ -400,12 +400,14 @@ message TypeProto {
  // This field MUST NOT have the value of UNDEFINED
  // This field MUST be present for this version of the IR.
  optional TensorProto.DataType elem_type = 1;
  + optional TensorShapeProto shape = 2;
  }
  message SparseTensorTypeProto {
  // This field MUST NOT have the value of UNDEFINED
  // This field MUST be present for this version of the IR.
  optional TensorProto.DataType elem_type = 1;
  + optional TensorShapeProto shape = 2;
  }
  // message T { ... }
  