case 1:
		return unsafe.Offsetof(po.g2)
	case 2:
		return unsafe.Offsetof(ui.f2)
	case 3:
		return unsafe.Offsetof(uo.g2)
	default:
		panic("can't happen")
	}
}

func test28896(t *testing.T) {
	for i := 0; i < 4; i++ {
		c := uintptr(C.offset(C.int(i)))
		g := offset(i)
		if c != g {
			t.Errorf("%d: C: %d != Go %d", i, c, g)
		}
	}
}

// issue 29383