danzimm added a comment. @rjmccall ah right, good point -- I think it's ok to elide that objc_retainAutoreleasedReturnValue/objc_autoreleaseReturnValue pair in this case though, since all of this is generated within clang itself (and thus we can make the guarentee that the object will properly live until the return of the enclosing block) -- it reduces retain count churn this way too
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