I have seen a crash in Objective-C run time while pthread exits. I tried to reproduce it with Monetary 12.2 and same is not observed.
following is the back trace
0 libobjc.A.dylib 0x7ff8198ede7f objc_release + 31 1 libobjc.A.dylib 0x7ff8198f241f AutoreleasePoolPage::releaseUntil(objc_object**) + 167 2 libobjc.A.dylib 0x7ff8198ef3a0 objc_autoreleasePoolPop + 161 3 libobjc.A.dylib 0x7ff8198f63c9 AutoreleasePoolPage::tls_dealloc(void*) + 91 4 libsystem_pthread.dylib 0x7ff819a5556c _pthread_tsd_cleanup + 487 5 libsystem_pthread.dylib 0x7ff819a57b80 _pthread_exit + 70 6 libsystem_pthread.dylib 0x7ff819a574ff _pthread_start + 136 7 libsystem_pthread.dylib 0x7ff819a5300f thread_start + 15
