This patch much improves our tracking of whether function is...

src/objects.cc

 // Copyright 2006-2009 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 4841 matching lines @@
     case CALL_IC: return "CALL_IC";
   }
   UNREACHABLE();
   return NULL;
 }
 
 
 const char* Code::ICState2String(InlineCacheState state) {
   switch (state) {
     case UNINITIALIZED: return "UNINITIALIZED";
-    case UNINITIALIZED_IN_LOOP: return "UNINITIALIZED_IN_LOOP";
     case PREMONOMORPHIC: return "PREMONOMORPHIC";
     case MONOMORPHIC: return "MONOMORPHIC";
     case MONOMORPHIC_PROTOTYPE_FAILURE: return "MONOMORPHIC_PROTOTYPE_FAILURE";
     case MEGAMORPHIC: return "MEGAMORPHIC";
     case DEBUG_BREAK: return "DEBUG_BREAK";
     case DEBUG_PREPARE_STEP_IN: return "DEBUG_PREPARE_STEP_IN";
   }
   UNREACHABLE();
   return NULL;
 }
@@ skipping 2588 matching lines @@
   // No break point.
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 } }  // namespace v8::internal