[cfe-dev] Address Sanitizer and Objective-C garbage collection (GC) incompatible?

[Chris Lattner]

On Dec 13, 2012, at 3:32 PM, Sean McBride <sean at rogue-research.com> wrote:
>>> then asan spews:
>>> 
>>> ==8598== ERROR: AddressSanitizer: attempting free on address which was
>> not malloc()-ed: 0x00010aab4000
>>> 
>>> I can file a bug with details, but thought I'd check here in case I'm
>> not the first to try….
>> 
>> Hi Sean,
>> 
>> Are you aware that ObjC GC is deprecated in Mountain Lion?
> 
> Very much so.  But until I convert to ARC, I'd still like to benefit from asan, if I can.
> 
> (Aside: Xcode is still a GC app too.  As you know, it's non-trivial to just change the entire memory management of a large codebase overnight.)

Yep, I'm aware of that, I just wanted to make sure you were on the right path.  Just MHO, but I wouldn't expect much traction on improving tools for ObjC GC going forward.

-Chris