Age code to allow reclaiming old unexecuted functions

src/debug.cc

 // Copyright 2012 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 243 matching lines @@
   // Move to the break point found.
   Reset();
   Next(closest_break_point);
 }
 
 
 void BreakLocationIterator::Reset() {
   // Create relocation iterators for the two code objects.
   if (reloc_iterator_ != NULL) delete reloc_iterator_;
   if (reloc_iterator_original_ != NULL) delete reloc_iterator_original_;
-  reloc_iterator_ = new RelocIterator(debug_info_->code());
-  reloc_iterator_original_ = new RelocIterator(debug_info_->original_code());
+  reloc_iterator_ = new RelocIterator(
+      debug_info_->code(),
+      ~RelocInfo::ModeMask(RelocInfo::CODE_AGE_SEQUENCE));
+  reloc_iterator_original_ = new RelocIterator(
+      debug_info_->original_code(),
+      ~RelocInfo::ModeMask(RelocInfo::CODE_AGE_SEQUENCE));
 
   // Position at the first break point.
   break_point_ = -1;
   position_ = 1;
   statement_position_ = 1;
   Next();
 }
 
 
 bool BreakLocationIterator::Done() const {
@@ skipping 3491 matching lines @@
     {
       Locker locker;
       Isolate::Current()->debugger()->CallMessageDispatchHandler();
     }
   }
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal