[dmd-beta] D2 2.058 beta 3

[Walter Bright]

On 2/12/2012 11:40 AM, Mike Wey wrote:
> On 02/12/2012 08:21 PM, Walter Bright wrote:
>>
>>
>> On 2/12/2012 5:59 AM, Mike Wey wrote:
>>> On 02/12/2012 02:50 PM, Mike Wey wrote:
>>>> On 02/12/2012 11:51 AM, Walter Bright wrote:
>>>>> http://ftp.digitalmars.com/dmd2beta.zip
>>>>> _______________________________________________
>>>>> dmd-beta mailing list
>>>>> dmd-beta at puremagic.com
>>>>> http://lists.puremagic.com/mailman/listinfo/dmd-beta
>>>>
>>>> The attached file compiles with dmd 2.057 but fails with the beta.
>>>
>>> Reduced the test case a little more.
>>
>> What's happening is Object.opEquals(Object) needs to be called to do the 
>> comparison, meaning that Base must be converted to an Object. But the example 
>> only allows converting to a Base, hence it cannot call 
>> Object.opEquals(Object), hence the error message.
>>
>> I think the code example is invalid.
>>
> But Base already is an Object, so why is it trying to call the opCast?

It's a Base, not an Object. It can be converted to an Object.

>
> The unittest in my code that causes the error with the beta runs as expected 
> when compiled with dmd 2.057.
>

Right, it did not detect the invalid code before.