Clang ivar write source code

gistfile1.m

@synthesize window=_window;

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
	asm("#before");
	_window = nil;
	asm("#after");

	// Override point for customization after application launch.
	[self.window makeKeyAndVisible];
    return YES;
}