Added another check in SafeStackFrameIterator.

src/frames.h

 // Copyright 2006-2008 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 620 matching lines @@
   void Reset();
 
  private:
   static bool IsWithinBounds(
       Address low_bound, Address high_bound, Address addr) {
     return low_bound <= addr && addr <= high_bound;
   }
   bool IsValidStackAddress(Address addr) const {
     return IsWithinBounds(low_bound_, high_bound_, addr);
   }
+  bool CanIterateHandles(StackFrame* frame, StackHandler* handler);
   bool IsValidFrame(StackFrame* frame) const;
   bool IsValidCaller(StackFrame* frame);
 
   Address low_bound_;
   Address high_bound_;
   const bool is_valid_top_;
   const bool is_valid_fp_;
   const bool is_working_iterator_;
   bool iteration_done_;
   StackFrameIterator iterator_;
@@ skipping 21 matching lines @@
   JavaScriptFrame* FindJavaScriptFrame(int n);
 
  private:
   StackFrameIterator iterator_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_FRAMES_H_