[turbofan] Fix bugs in escape analysis.

src/compiler/escape-analysis.h

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILER_ESCAPE_ANALYSIS_H_
 #define V8_COMPILER_ESCAPE_ANALYSIS_H_
 
 #include "src/base/flags.h"
 #include "src/compiler/graph.h"
 
@@ skipping 40 matching lines @@
   void ProcessFinishRegion(Node* node);
   void ProcessStoreField(Node* node);
   void ProcessStoreElement(Node* node);
   bool CheckUsesForEscape(Node* node, bool phi_escaping = false) {
     return CheckUsesForEscape(node, node, phi_escaping);
   }
   bool CheckUsesForEscape(Node* node, Node* rep, bool phi_escaping = false);
   void RevisitUses(Node* node);
   void RevisitInputs(Node* node);
   bool SetEscaped(Node* node);
+  bool IsVirtual(NodeId id);
   bool HasEntry(Node* node);
   void Resize();
   size_t size();
   bool IsAllocationPhi(Node* node);
 
   Graph* graph() const { return graph_; }
   Zone* zone() const { return zone_; }
 
   EscapeAnalysis* object_analysis_;
   Graph* const graph_;
@@ skipping 21 matching lines @@
   EscapeAnalysis(Graph* graph, CommonOperatorBuilder* common, Zone* zone);
   ~EscapeAnalysis();
 
   void Run();
 
   Node* GetReplacement(Node* node);
   bool IsVirtual(Node* node);
   bool IsEscaped(Node* node);
   bool CompareVirtualObjects(Node* left, Node* right);
   Node* GetOrCreateObjectState(Node* effect, Node* node);
+  bool ExistsVirtualAllocate();
 
  private:
   void RunObjectAnalysis();
   void AssignAliases();
   bool Process(Node* node);
   void ProcessLoadField(Node* node);
   void ProcessStoreField(Node* node);
   void ProcessLoadElement(Node* node);
   void ProcessStoreElement(Node* node);
   void ProcessAllocationUsers(Node* node);
@@ skipping 48 matching lines @@
   Alias next_free_alias_;
 
   DISALLOW_COPY_AND_ASSIGN(EscapeAnalysis);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_ESCAPE_ANALYSIS_H_