top = false
		default:
			throw("can't happen")
		}
	}

	cgoCheckArg(t, ep.data, t.Kind_&abi.KindDirectIface == 0, top, cgoCheckPointerFail)
}

const cgoCheckPointerFail = "cgo argument has Go pointer to unpinned Go pointer"
const cgoResultFail = "cgo result is unpinned Go pointer or points to unpinned Go pointer"

// cgoCheckArg is the real work of cgoCheckPointer. The argument p