Fix possible stack overflow in range analysis.

src/hydrogen-range-analysis.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 21 matching lines @@
 
 namespace v8 {
 namespace internal {
 
 
 class HRangeAnalysisPhase : public HPhase {
  public:
   explicit HRangeAnalysisPhase(HGraph* graph)
       : HPhase("H_Range analysis", graph), changed_ranges_(16, zone()) { }
 
-  void Run() {
-    Analyze(graph()->entry_block());
-  }
+  void Run();
 
  private:
   void TraceRange(const char* msg, ...);
-  void Analyze(HBasicBlock* block);
   void InferControlFlowRange(HCompareNumericAndBranch* test,
                              HBasicBlock* dest);
   void UpdateControlFlowRange(Token::Value op, HValue* value, HValue* other);
   void InferRange(HValue* value);
   void RollBackTo(int index);
   void AddRange(HValue* value, Range* range);
 
   ZoneList<HValue*> changed_ranges_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_RANGE_ANALYSIS_H_