[Vm-dev] New case to crash Spur VM

Denis Kudriashov dionisiydk at gmail.com
Mon Dec 5 14:25:44 UTC 2016

I found automated way how to check problem:

p := [ Object basicSize ] fork.
p suspend.

3 timesRepeat: [p step: p suspendedContext].
newContext := p completeStep: p suspendedContext.
newContext selector. "=> doesNotUnderstand:"
newContext arguments first selector == 0

2016-12-05 15:08 GMT+01:00 Denis Kudriashov <dionisiydk at gmail.com>:

> 2016-12-05 15:07 GMT+01:00 Denis Kudriashov <dionisiydk at gmail.com>:
>> I attach crash file.
>> When I try it second time. After step over I got DNU error which shows
>> very strange thing that 0 integer was sent as message. And when I click on
>> basicSize method image crashed.
>> Then I try to get same behaviour but can't. Image crash when I press step
>> over debugger button. (dump file about this case)
> It is on one of latest pharo 6 image and mac os VM (dump includes this
> information I guess)
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