Since updated to iOS 13 we have had this crash in several Apps.
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=EXC_I386_GPFLT)
frame #0: 0x00007fff2b13578d QuartzCore`CA::Layer::retain_parent(CA::Transaction*) const + 35
frame #1: 0x00007fff2b1455b9 QuartzCore`CALayerGetSuperlayer + 47
frame #2: 0x00007fff485813a8 UIKitCore`-[UIView(UIKitManual) superview] + 37
frame #3: 0x00007fff484a3848 UIKitCore`-[UILayoutGuide _snipReferencingConstraints] + 567
frame #4: 0x00007fff484a2a45 UIKitCore`-[UILayoutGuide _owningViewIsDeallocating] + 32
frame #5: 0x00007fff48546db2 UIKitCore`-[UIView _layoutConstraintCleanup] + 248
frame #6: 0x00007fff48546fe2 UIKitCore`-[UIView dealloc] + 155
frame #7: 0x00007fff482342f7 UIKitCore`-[UITableViewCellContentView dealloc] + 68
frame #8: 0x00007fff5140d4c0 libobjc.A.dylib`_object_remove_assocations + 239
frame #9: 0x00007fff5140a4c2 libobjc.A.dylib`objc_destructInstance + 79
frame #10: 0x00007fff23c925be CoreFoundation`-[NSObject(NSObject) __dealloc_zombie] + 158
frame #11: 0x00007fff2b12a39b QuartzCore`-[CALayer dealloc] + 163
frame #12: 0x00007fff2b0bf6a7 QuartzCore`CA::release_objects(X::List<void const*>*) + 26
frame #13: 0x00007fff2b0bf777 QuartzCore`CA::release_root_if_unused(CA::Layer*, CA::Layer*, void*) + 35
frame #14: 0x00007fff2b038492 QuartzCore`x_hash_table_remove_if + 97
frame #15: 0x00007fff2b0bfa66 QuartzCore`CA::Transaction::commit() + 408
frame #16: 0x00007fff2b0c04ba QuartzCore`CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 76
frame #17: 0x00007fff23bd3867 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 23
frame #18: 0x00007fff23bce2fe CoreFoundation`__CFRunLoopDoObservers + 430
frame #19: 0x00007fff23bce97a CoreFoundation`__CFRunLoopRun + 1514
frame #20: 0x00007fff23bce066 CoreFoundation`CFRunLoopRunSpecific + 438
frame #21: 0x00007fff384c0bb0 GraphicsServices`GSEventRunModal + 65
frame #22: 0x00007fff48092d4d UIKitCore`UIApplicationMain + 1621
* frame #23: 0x000000010090948b BBQSheriff`main at BBQAppDelegate.swift:22:13
frame #24: 0x00007fff5227ec25 libdyld.dylib`start + 1
frame #25: 0x00007fff5227ec25 libdyld.dylib`start + 1
Running with Address Sanitizer and Zombie Objects as shown above does not show any Additional information in sumulator logs.
Most important question is: How do I determine which object is causing the problem and/or what that problem might be?
Xcode Version 11.3.1 (11C504)