V(MapDeprecated, 
"dependent map was deprecated")                            \
 
  V(PrototypeChange, "dependent prototype chain changed")                     \
  V(PropertyCellChange, "dependent property cell changed")                    \
  V(FieldTypeConstChange, "dependent field type constness changed")           \
  V(FieldTypeChange, "dependent field type changed")                          \
  V(FieldRepresentationChange, "dependent field representation changed")      \
  V(InitialMapChange, "dependent initial map changed")                        \
  V(AllocationSiteTenuringChange,                                             \
    "dependent allocation site tenuring changed")                             \
  V(AllocationSiteTransitionChange,                                           \
    "dependent allocation site transition changed")                           \
  V(ScriptContextSlotPropertyChange,                                          \
    "dependent script context slot property changed")                         \
  V(EmptyContextExtensionChange, "dependent empty context extension changed") \
  V(WeakObjects, "embedded weak objects cleared")                             \
  V(Debugger, "JS debugger attached")                                         \
  V(Testing, "for testing")                                                   \
  V(ExceptionCaught, "exception with omitted catch handler")                  \
  V(EagerDeopt, "marked due to eager deopt")                                  \
  V(FrameValueMaterialized, "value in stack frame was materialized")