Re: Mac Apps That Use Garbage Collection Must Move to ARC

[Daniel Murphy via Digitalmars-d]

"Ola Fosheim Grøstad" " wrote in message 
news:hwwotfmkjvwsempqi...@forum.dlang.org...

I mean that the optimizer does not know what _rc is. The optimizer can 
only elide what it can prove, by sound logic, not by assumptions.

The whole point of compiler-supported RC is that the optimizer can make 
assumptions.