https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56025
--- Comment #4 from Tejas Belagod <belagod at gcc dot gnu.org> --- The ABI does not define an internal type name for scalar poly types - http://infocenter.arm.com/help/topic/com.arm.doc.ihi0042e/IHI0042E_aapcs.pdf. This will need an ABI update.
