n := name.N
	u := types.Types[types.TUINTPTR]
	t := types.NewPtr(types.Types[types.TUINT8])
	// Split this interface up into two separate variables.
	sfx := ".itab"
	if n.Type().IsEmptyInterface() {
		sfx = ".type"
	}
	c := f.SplitSlot(name, sfx, 0, u) // see comment in typebits.Set
	d := f.SplitSlot(name, ".data", u.Size(), t)
	return c, d
}