HAS_FAILURE_TAG   460 src/objects-inl.h   return HAS_FAILURE_TAG(this);
HAS_FAILURE_TAG   465 src/objects-inl.h   return HAS_FAILURE_TAG(this)
HAS_FAILURE_TAG   471 src/objects-inl.h   return HAS_FAILURE_TAG(this)
HAS_FAILURE_TAG   487 src/objects-inl.h   ASSERT(HAS_FAILURE_TAG(obj));