social.noyu.me

#import "Foundation/Foundation.h"

#include <objc/message.h>
#include <objc/runtime.h>

@interface Infinite: NSObject
@end

@implementation Infinite: NSObject
@end

int main(void)
{
    class_addMethod([Infinite self], @selector(loop), objc_msgSend, "@@:");
    [[Infinite new] loop];
    return 0;
}

local girl discovers secret trick to find out whether the objective-c implementation uses tail calls in objc_msgSend. runtime maintainers hate her