[turbofan] Skip data-flow analysis of code entry field.

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/compiler/graph.h"
 
 namespace v8 {
@@ skipping 52 matching lines @@
   VirtualObject* GetVirtualObject(VirtualState* state, Node* node);
 
   void DebugPrint();
   void DebugPrintState(VirtualState* state);
 
   Graph* graph() const;
   Zone* zone() const { return zone_; }
   CommonOperatorBuilder* common() const { return common_; }
 
   Zone* const zone_;
+  Node* const slot_not_analyzed_;
   CommonOperatorBuilder* const common_;
   EscapeStatusAnalysis* status_analysis_;
   ZoneVector<VirtualState*> virtual_states_;
   ZoneVector<Node*> replacements_;
   MergeCache* cache_;
 
   DISALLOW_COPY_AND_ASSIGN(EscapeAnalysis);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_ESCAPE_ANALYSIS_H_