// things like 'int64' converting to '*int'.
	for t1 := range all {
		for t2 := range all {
			expectOK := t1 == t2 || canConvert[[2]Type{t1, t2}] || t2.Kind() == Interface && t2.NumMethod() == 0
			if ok := t1.ConvertibleTo(t2); ok != expectOK {
				t.Errorf("(%s).ConvertibleTo(%s) = %v, want %v", t1, t2, ok, expectOK)
			}
		}
	}
}

func TestConvertPanic(t *testing.T) {
	s := make([]byte, 4)