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by NSMeta 5273 days ago
| iOS 5 already enables GC (a generational one at that), which already came out for regular Cocoa in in obj-c 2.0

Any links? Otherwise, I assume you're referring to ARC (Automatic Reference Counting) which is not the same as a Garbage Collector. In summary, based on code analysis the compiler(I think this works only with the LLVM compiler) inserts code for sending [ release] messages for you.