Yeah, I managed to crash the compiler (SEGV) with AnyObject! casting. (I got the wrong idiom for iterating through an AnyObject[] ) The code contained a type e

Yeah, I managed to crash the compiler (SEGV) with AnyObject! casting. (I got the wrong idiom for iterating through an AnyObject[] ) The code contained a type error that the XCode compiler either missed or crashed before reporting. The command line compiler detected and reported my error. I guess not telling us the "right" way enables us to fuzz test the compiler. :)