On Feb 20, 2013, at 12:43 PM, Greg Parker <gpar...@apple.com> wrote:

> On Feb 20, 2013, at 8:33 AM, Andy Lee <ag...@mac.com> wrote:
>> If you upgraded to Xcode 4.6 and suddenly you've been seeing crashes when 
>> deploying to Snow Leopard, you might want to go back to Xcode 4.5.2.
>> 
>> In a nutshell, the following crashes on 10.6.8 when compiled with Apple LLVM 
>> 4.2 with a deployment target of 10.6.
>> 
>>   NSArray *array = [[NSArray alloc] init];
>>   for (NSString *string in array)
>>   {
>>       return;
>>   }
>> 
>> I just filed rdar://13253340 and copied it to Open Radar:
>> 
>> <http://openradar.appspot.com/radar?id=2749401>
> 
> Are you using ARC?

Yes.

> There's a known bug wherein Xcode 4.6 is unable to compile ARC code for 
> deployment on 10.6.


Ah, okay -- thanks for the concrete info.

--Andy


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