[cfe-dev] ARCMT test failures

Argyrios Kyrtzidis kyrtzidis at apple.com
Wed Jun 22 14:43:20 PDT 2011


On Jun 22, 2011, at 1:35 PM, John McCall wrote:

> 
> On Jun 22, 2011, at 10:09 AM, Argyrios Kyrtzidis wrote:
> 
>> On Jun 22, 2011, at 8:36 AM, Jay Foad wrote:
>> 
>>>>> I only get these failures on a Release+Asserts build. On a
>>>>> Debug+Asserts build they go away.
>>>> 
>>>> What is the host compiler? Maybe it is miscompiling clang?
>>> 
>>> I see the failures with gcc (Ubuntu/Linaro 4.5.2-8ubuntu4) 4.5.2
>>> 
>>> I don't see them with gcc-4.4 (Ubuntu/Linaro 4.4.5-15ubuntu1) 4.4.5
>> 
>> I don't see something suspicious in the source code, I'm leaning towards Rafael's "diagnosis".
> 
> Valgrinding, maybe?  Could be undefined behavior.

Looks fine. Jay, you'd need to investigate, not sure how I can help.

> 
> John.
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