Merge pull request #13099 from jacquesqiao/fix-mac-compile

fix mac compie

paddle/fluid/framework/ir/attention_lstm_fuse_pass.cc

@@ -13,6 +13,9 @@
 // limitations under the License.
 
 #include "paddle/fluid/framework/ir/attention_lstm_fuse_pass.h"
+
+#include <string>
+
 #include "paddle/fluid/framework/ir/graph_pattern_detector.h"
 #include "paddle/fluid/framework/ir/graph_viz_pass.h"
 #include "paddle/fluid/framework/lod_tensor.h"

paddle/fluid/framework/ir/graph.h

@@ -167,7 +167,6 @@ class Graph {
   std::map<std::string, std::function<void(void)>> attr_dels_;
   std::map<ir::Node *, std::unique_ptr<ir::Node>> nodes_;
   std::unordered_set<ir::Node *> node_set_;
-  int node_count_{0};
 };
 
 bool IsControlDepVar(const ir::Node &var);