testing Xcode 4.6.1 and blocks + lldb

gistfile1.m

UIViewController *controller = [[UIViewController alloc] init];
[controller loadView];
double delayInSeconds = 2.0;
dispatch_time_t popTime = dispatch_time(DISPATCH_TIME_NOW, (int64_t)(delayInSeconds * NSEC_PER_SEC));
dispatch_after(popTime, dispatch_get_main_queue(), ^(void){
    NSLog(@"Statement so block captures controller: %@", controller);
    NSLog(@"Need set breakpoint here. Testing by typing po [controller view] into debugger");
});