'Check that pyfunc can loop-lift even in nopython mode.'

def check_lift_ok(self, pyfunc, argtypes, args):

    cres = self.try_lift(pyfunc, argtypes)
    expected = pyfunc(*args)
    got = cres.entry_point(*args)
    self.assert_lifted_native(cres)
    self.assertPreciseEqual(expected, got)
