>The problem is probably that State uses the parent pointer
>(and thus isn't constant if indexed from an object(_HMAC)).
>In this case it is indexed from the class, which renders a
>constant, but the value is invalid for cloning the class,
>so it is hidden from indexing in the runtime. However there
>are some special cases for this in the compiler, but they
>probably got broken when OPT_EXTERNAL_DEPEND was changed to
>no longer be regarded as constant.
Fixed by using a different approach in the compiler.
/grubba
