//
	// Brittle: the assertion may fail spuriously when the algorithm
	// changes, but should remain stable otherwise.
	got := fmt.Sprintf("%T %T", in, opts)
	want := "issue9026._Ctype_struct___0 *issue9026._Ctype_struct___1"
	if got != want {
		t.Errorf("Non-deterministic type names: got %s, want %s", got, want)
	}