[dmd-beta] dmd 1.065 and 2.050 beta

[Walter Bright]

Fix is uploaded.

Don Clugston wrote:
> On 27 October 2010 16:50, Stephan Dilly <Dilly at funatics.de> wrote:
>   
>> On 27.10.2010 16:14, Don Clugston wrote:
>>     
>>> On 27 October 2010 15:29, Stephan Dilly<Dilly at funatics.de>  wrote:
>>>       
>>>> On 27.10.2010 14:51, Stephan Dilly wrote:
>>>>         
>>>>>> http://ftp.digitalmars.com/dmd1beta.zip
>>>>>> http://ftp.digitalmars.com/dmd2beta.zip
>>>>>>             
>>>>> 1) the client still says it is version 2.049
>>>>>
>>>>> 2) there seems to be a regression with pure opCall methods introduced.
>>>>> The
>>>>> following code used to build with dmd2049 but now does not:
>>>>>
>>>>>
>>>>> struct Foo
>>>>> {
>>>>>    static Foo opCall(in Foo _f) pure
>>>>>    {
>>>>>        return Foo;
>>>>>    }
>>>>> }
>>>>>
>>>>> instead the compiler issues the following error:
>>>>> "Error: struct bug.Foo no size yet for forward reference"
>>>>>
>>>>> the workaround would be to remove the pure but that is no option for my
>>>>> codebase full of pure opCalls.
>>>>>
>>>>>
>>>>> regards,
>>>>>    Stephan
>>>>>           
>>>> Ok to be fair, this is the correct code that works in dmd2049 and does
>>>> not
>>>> in the beta:
>>>>
>>>> struct Foo
>>>> {
>>>>    static Foo opCall(in Foo _f) pure
>>>>    {
>>>>        return _f;
>>>>    }
>>>> }
>>>>         
>>> That is happening because in mtype.c, line 5013, it's trying to work
>>> out which form of purity the function is. It can't do this for a
>>> struct, until it knows if the struct has any pointer members. This is
>>> a problem if it's a member function.
>>> I don't know if it really needs to determine purity level so early on.
>>> _______________________________________________
>>> dmd-beta mailing list
>>> dmd-beta at puremagic.com
>>> http://lists.puremagic.com/mailman/listinfo/dmd-beta
>>>
>>>       
>> I don't know either ;)
>> Does that mean that static pure opCalls wont be possible from now on ?
>>     
>
> Your code should continue to work. It's a regression.
>
>