message: Correct the return type of set_train
diff: @@ -38,7 +38,7 @@ public:
  return mix_bf16_fp32_;
  }
  - inline bool set_train(bool value) {
  + inline void set_train(bool value) {
  train_ = value;
  }
  inline bool get_train() {
  @@ -192,7 +192,7 @@ public:
  }
  private:
  - AutoOptConfig() : auto_dnnl_(true), mix_bf16_fp32_(false), num_ops_id(0), mix_int8_fp32_(false),
  + AutoOptConfig() : auto_dnnl_(true), mix_bf16_fp32_(false), mix_int8_fp32_(false), num_ops_id(0),
  calibration_step_(false), observers_{}, indicators_{}, jit_fuse_(true), train_(false) {}
  ~AutoOptConfig() = default;
  AutoOptConfig(const AutoOptConfig&) = default;
  