Version 3.3.2....

src/frames.cc

 // 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 920 matching lines @@
       accumulator->Add("=");
     }
     accumulator->Add("%o", GetParameter(i));
   }
 
   accumulator->Add(")");
   if (mode == OVERVIEW) {
     accumulator->Add("\n");
     return;
   }
+  if (is_optimized()) {
+    accumulator->Add(" {\n// optimized frame\n}\n");
+    return;
+  }
   accumulator->Add(" {\n");
 
   // Compute the number of locals and expression stack elements.
   int stack_locals_count = info.number_of_stack_slots();
   int heap_locals_count = info.number_of_context_slots();
   int expressions_count = ComputeExpressionsCount();
 
   // Print stack-allocated local variables.
   if (stack_locals_count > 0) {
     accumulator->Add("  // stack-allocated locals\n");
@@ skipping 273 matching lines @@
   ZoneList<StackFrame*> list(10);
   for (StackFrameIterator it; !it.done(); it.Advance()) {
     StackFrame* frame = AllocateFrameCopy(it.frame());
     list.Add(frame);
   }
   return list.ToVector();
 }
 
 
 } }  // namespace v8::internal