message: 2+ should be 3+.
diff: @@ -592,7 +592,7 @@ class MklLayoutRewritePass : public GraphOptimizationPass {
  std::function<Node*(const Node*)> get_node_to_be_merged;
  } MergeInfo;
  - // structure to specify information used in node fusion of 2+ operators
  + // structure to specify information used in node fusion of 3+ operators
  typedef struct {
  std::string pattern_name; // name to describe this pattern, such as
  // "Transpose_Mklop_Transpose".
  