Anonymous classes are not final according to reflection API

[Remi Forax]

yes, right,
it seems to be a backward compatibility land of mines.

Rémi

On 06/29/2015 03:29 PM, Maurizio Cimadamore wrote:
> I've closed it as 'not an issue' - this seems to be an outstanding 
> issue that was fixed for some time and then reverted because of 
> compatibility problems:
>
> https://bugs.openjdk.java.net/browse/JDK-6520152
>
> Maurizio
>
> On 23/06/15 14:42, Georgiy Rakov wrote:
>> I've filed the issue JDK-8129576. 
>> <https://bugs.openjdk.java.net/browse/JDK-8129576>
>>
>> There is following issue in JBS: JDK-4777101 
>> <https://bugs.openjdk.java.net/browse/JDK-4777101> which seems to 
>> relate to this one.
>>
>> Thank you,
>> Georgiy.
>>
>> On 22.06.2015 18:56, Victor Rudometov wrote:
>>> This seems to be a reflection bug, since ACC_FINAL is present in 
>>> Test12$1.class file:
>>>
>>> final class test.Test12$1 extends test.Test12$Foo<java.lang.Integer>
>>>   minor version: 0
>>>   major version: 52
>>>   flags: ACC_FINAL, ACC_SUPER
>>>
>>> Thanks.
>>> Victor.
>>>
>>> On 22-Jun-15 18:35, Remi Forax wrote:
>>>> I wonder if it's not a reflection bug,
>>>> did you check with 'javap -c -verbose' the modifiers of the 
>>>> generated class (something like Test12$1.class) ?
>>>>
>>>> cheers,
>>>> Rémi
>>>>
>>>> On 06/22/2015 05:17 PM, Georgiy Rakov wrote:
>>>>> Hello,
>>>>>
>>>>> if I understand correctly according to following assertion from 
>>>>> JLS 15.9.5 anonymous classes are always final:
>>>>>
>>>>>     An anonymous class is always implicitly final (§8.1.1.2).
>>>>>
>>>>> But reflection API reports that the class is not final. Namely 
>>>>> let's consider following code:
>>>>>
>>>>>     import java.lang.reflect.Modifier;
>>>>>
>>>>>     public class Test12 {
>>>>>         static class Foo<T> {}
>>>>>
>>>>>         public static void main(String argv[]) {
>>>>>             Foo<Integer> foo = new Foo<>() {};
>>>>>             if ( (foo.getClass().getModifiers() & Modifier.FINAL)
>>>>>     != 0 ) {
>>>>>                 System.out.println("final, modifiers: " +
>>>>>     foo.getClass().getModifiers());
>>>>>             } else {
>>>>>                 System.out.println("not final, modifiers: " +
>>>>>     foo.getClass().getModifiers());
>>>>>             }
>>>>>         }
>>>>>     }
>>>>>
>>>>> On JDK9b69 it reports:
>>>>>
>>>>>     not final, modifiers: 0
>>>>>
>>>>> Could you please tell if you consider this as a discrepancy 
>>>>> between spec and javac (VM?) which should be fixed.
>>>>>
>>>>> Thank you,
>>>>> Georgiy.
>>>>
>>>
>>
>

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