}
}

func testAssertE2TPanic(t *testing.T) {
	var got *U
	defer func() {
		if got != nil {
			t.Errorf("e2t_ssa(s)=%v want nil", got)
		}
		e := recover()
		err, ok := e.(*runtime.TypeAssertionError)
		if !ok {
			t.Errorf("e2t_ssa(s) panic type %T", e)
		}
		want := "interface conversion: interface {} is *main.S, not *main.U"
		if err.Error() != want {