[dmd-beta] For those who want to try out new features

[Walter Bright]

Just did a checkin. My sources are not different.

Don Clugston wrote:
> It fails for me, too. Your version must be different to the version in svn.
> See also the ICE regression bug 3726 which popped up in the most recent commit.
>
>
> 2010/1/21 Walter Bright <walter at digitalmars.com>:
>   
>> I tried it again, it still works. All I can suggest is you are working from
>> a different set of dmd sources than I am.
>>
>> Rainer Schuetze wrote:
>>     
>>> Hi,
>>>
>>> I just tried again, rebuilt dmd after clean, but the error persists
>>> (though it's different from the one reported in the bugzilla entry #3674). I
>>> have added a detailed description to the entry.
>>>
>>> I think this has crawled into dmd with changes to the Type::covariant()
>>> function, but I have no clue why it didn't show up earlier (and why you
>>> don't see it).
>>>
>>> Rainer
>>>
>>> Walter Bright wrote:
>>>       
>>>> I just tried it, and it works.
>>>>
>>>> Rainer Schuetze wrote:
>>>>         
>>>>> Hi,
>>>>>
>>>>> I just wanted to drop a note that there seems to be regression with the
>>>>> latest changes committed to subversion. It seems to be related to #3674 (the
>>>>> test-case fails), but I have no clue yet what's been causing this. I will
>>>>> try to figure out what's going on tonight.
>>>>>
>>>>> Rainer
>>>>>
>>>>> Rainer Schuetze wrote:
>>>>>           
>>>>>> Hi,
>>>>>>
>>>>>> Walter Bright wrote:
>>>>>>             
>>>>>>> Rainer Schuetze wrote:
>>>>>>>               
>>>>>>>> So, if you want to make the qtd-people happy, issues #3600 and #3647
>>>>>>>> should be addressed.
>>>>>>>>                 
>>>>>>> They're done now.
>>>>>>>
>>>>>>>               
>>>>>> Cool, thanks.
>>>>>>
>>>>>>             
>>>>>>>> And another thing: when there are forward references that are not
>>>>>>>> resolved for a long time, Module::runDeferredSemantic() can waste a lot of
>>>>>>>> memory and cpu-cycles. It should not retry between every new symbol in a
>>>>>>>> class or struct, but only when some sensible progress is made (e.g. if
>>>>>>>> Module::dprogress > 0). runDeferredSemantic() must then be forced to run
>>>>>>>> once before running semantic2() on the modules.
>>>>>>>> It's not easy to create a small test case, but qtd fails to compile
>>>>>>>> with "out of memory" without this change.
>>>>>>>>
>>>>>>>>                 
>>>>>>> Could you put your patch into bugzilla, please?
>>>>>>>               
>>>>>> It can now be found here:
>>>>>>
>>>>>> http://d.puremagic.com/issues/show_bug.cgi?id=3719
>>>>>>
>>>>>> Rainer
>>>>>>
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>>>>>>
>>>>>>             
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>>>>>
>>>>>           
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>>>>         
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>>>
>>>       
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>>     
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