Hi Doru, Hi Nicolai,

On Fri, Jan 8, 2016 at 4:20 PM, Eliot Miranda <eliot.miranda at gmail.com>
wrote:

> Hi Doru, Hi Nicolai,
>
> On Fri, Jan 8, 2016 at 2:33 PM, Eliot Miranda <eliot.miranda at gmail.com>
> wrote:
>
>>
>>
>> On Fri, Jan 8, 2016 at 2:11 PM, Nicolai Hess <nicolaihess at gmail.com>
>> wrote:
>>
>>>
>>>
>>>
>>> 2016-01-08 23:09 GMT+01:00 Eliot Miranda <eliot.miranda at gmail.com>:
>>>
>>>> Hi Doru,
>>>>
>>>> On Fri, Jan 8, 2016 at 12:02 PM, Tudor Girba <tudor at tudorgirba.com>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> If I execute the following code in the latest Pharo image:
>>>>>
>>>>> Object subclass: #A
>>>>>         instanceVariableNames: ''
>>>>>         classVariableNames: ''
>>>>>         package: 'AA'.
>>>>> Object subclass: #B
>>>>>         instanceVariableNames: ''
>>>>>         classVariableNames: ''
>>>>>         package: 'AA'.
>>>>> a := A new.
>>>>> b := B new.
>>>>> a become: b.
>>>>> a class
>>>>>
>>>>> ==> “A".
>>>>>
>>>>> In a pre-Spur image, I used to get “B”. Is this a bug, or is there a
>>>>> change I am not aware of?
>>>>>
>>>>> Cheers,
>>>>> Doru
>>>>>
>>>>
>>>> Looks like a bug to me.  I'll fix it asap.
>>>>
>>>
>>>
>>> There is another bug report at
>>> http://bugs.squeak.org/view.php?id=7845
>>>
>>> | obj1 obj2 |
>>> obj1 := 'string'.
>>> obj2 := 1.234.
>>> obj1 become: obj2.
>>> {obj1. obj2} "=> #('X9 LÈv¾' 'string'). it should be #(1.234 'string') "
>>>
>>> Squeak Cog Supr Virtual Machine 4.0.3427.0
>>>
>>>
>>> Is it related?
>>>
>>
>> Thank you, certainly looks like it.
>>
>
> The good news is that these are not bugs in the simulator.  So I need to
> generate new sources and working VMs (and Esteban will need to rebuild the
> Pharo 5 VM) and then the bugs should be fixed.  There's a slim possibility
> that this could be due to a Slang bug but I doubt it.
>

Shows why I know.  It is indeed a Slang bug, and one that shows itself only
under optimisation above -O1, i.e. neither the debug nor assert VMs show
the bug :-(.  Alas these are the kind of bugs that take a while to track
down.  I'm on it though.

--
>>>>> www.tudorgirba.com
>>>>> www.feenk.com
>>>>>
>>>>> "Things happen when they happen,
>>>>> not when you talk about them happening."
>>>>
>>>>
>>>> _,,,^..^,,,_
>>>> best, Eliot
>>>>
>>>> _,,,^..^,,,_
>> best, Eliot
>>
>
> _,,,^..^,,,_
> best, Eliot
>



-- 
_,,,^..^,,,_
best, Eliot
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