我在视图控制器 deinit 上遇到崩溃错误。它在 iOS 10 上非常随机地发生。
有没有人遇到过同样的问题？
Crashlytics 日志
#0. Crashed: com.apple.main-thread
0 libobjc.A.dylib 0x1c2e84f6 objc_msgSend + 21
1 Foundation 0x1dad4e77 -[_NSConcreteObservation dealloc] + 96
2 libobjc.A.dylib 0x1c2f5195 objc_object::sidetable_release(bool) + 238
3 Foundation 0x1d99de9d empty + 32
4 Foundation 0x1d8f8787 -[NSConcreteMapTable removeAllItems] + 76
5 UIKit 0x22a09259 -[UIView(AdditionalLayoutSupport) _clearLayoutVariableObservationsOnlyToSupportTAMICChange:] + 56
6 UIKit 0x222212f9 discardEngineRecursive + 298
7 UIKit 0x22221279 discardEngineRecursive + 170
8 UIKit 0x22221279 discardEngineRecursive + 170
9 UIKit 0x22221279 discardEngineRecursive + 170
10 UIKit 0x2211c66b -[UIView dealloc] …