On second thought, yes, that patch is a total think-o (right idea, wrong fix)..

It should probably just say

if (success)
 assert(what you said)

Better patch incoming.. and I wonder if we can in any way force ourselves into 
this scenario to test the sanity of any change in this area. Let me think about 
that

> On Jan 8, 2015, at 10:45 AM, Zachary Turner <[email protected]> wrote:
> 
> Ok so it looks like your patch doesn't fix the assert for me, but now looking 
> more closely at your patch, I wonder if it's correct.  As per the 
> description, the purpose of your patch is to fix the case where success == 
> false (which is what's happening to me), but you are adding a requirement to 
> the assert that success be true.  Shouldn't this be something like the 
> following:
> 
> assert (!need_compare_checksums || (!old_checksum.empty() && 
> !m_value_checksum.empty()));
> 
> 
> 
> On Wed Jan 07 2015 at 5:50:44 PM Zachary Turner <[email protected] 
> <mailto:[email protected]>> wrote:
> It just happens every time i run one of the tests on windows. It might be 
> triggered because something earlier is broken, but I'll send you a stack 
> trace or something tomorrow. Won't it be nice if/when we can debug windows 
> core dumps from Mac? :P
> On Wed, Jan 7, 2015 at 5:21 PM Enrico Granata <[email protected] 
> <mailto:[email protected]>> wrote:
> If you end up with a reproducible case of the assertion firing, totally let 
> me know - bugzilla or just an email
> Hopefully it’s not so Windows-specific that I can’t get it to happen on Mac
> 
>> On Jan 7, 2015, at 4:33 PM, Zachary Turner <[email protected] 
>> <mailto:[email protected]>> wrote:
>> 
>> Cool, i think this assertion was actually firing on windows, making it very 
>> annoying to run the test suite. I hope this fixes that
>> On Wed, Jan 7, 2015 at 4:30 PM Enrico Granata <[email protected] 
>> <mailto:[email protected]>> wrote:
>> Author: enrico
>> Date: Wed Jan  7 18:29:12 2015
>> New Revision: 225418
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=225418&view=rev 
>> <http://llvm.org/viewvc/llvm-project?rev=225418&view=rev>
>> Log:
>> Fix a problem where a ValueObject could fail to update itself, but since it 
>> was previously valid, we'd have an old checksum to compare aginst no new 
>> checksum (because failure to update), and assert() and die. Fix the problem 
>> by only caring about this assertion logic if updates succeed
>> 
>> Modified:
>>     lldb/trunk/source/Core/ValueObject.cpp
>> 
>> Modified: lldb/trunk/source/Core/ValueObject.cpp
>> URL: 
>> http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Core/ValueObject.cpp?rev=225418&r1=225417&r2=225418&view=diff
>>  
>> <http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Core/ValueObject.cpp?rev=225418&r1=225417&r2=225418&view=diff>
>> ==============================================================================
>> --- lldb/trunk/source/Core/ValueObject.cpp (original)
>> +++ lldb/trunk/source/Core/ValueObject.cpp Wed Jan  7 18:29:12 2015
>> @@ -250,7 +250,7 @@ ValueObject::UpdateValueIfNeeded (bool u
>>                  m_value_checksum.clear();
>>              }
>> 
>> -            assert (old_checksum.empty() == !need_compare_checksums);
>> +            assert (success && (old_checksum.empty() == 
>> !need_compare_checksums));
>> 
>>              if (first_update)
>>                  SetValueDidChange (false);
>> 
>> 
>> _______________________________________________
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>> [email protected] <mailto:[email protected]>
>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits 
>> <http://lists.cs.uiuc.edu/mailman/listinfo/lldb-commits>
> 
> Thanks,
> - Enrico
> 📩 egranata@.com ☎️ 27683
> 
> 
> 
> 

Thanks,
- Enrico
📩 egranata@.com ☎️ 27683




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