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问题: 如何定位到这个bug的代码行
描述:
Exception Subtype: KERN_INVALID_ADDRESS at 0x216fbcc2
Triggered by Thread: 0
Thread 0 Crashed:
0 libobjc.A.dylib 0x37f10626 objc_msgSend + 6
1 UIKit 0x2ff8b74c -[UISearchBar _didMoveFromWindow:toWindow:] + 152
2 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
3 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
4 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
5 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
6 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
7 UIKit 0x2fea8e6c __45-[UIView(Hierarchy) _postMovedFromSuperview:]_block_invoke + 108
8 Foundation 0x2dff3b28 -[NSISEngine withBehaviors:performModifications:] + 208
9 UIKit 0x2fea8cee -[UIView(Hierarchy) _postMovedFromSuperview:] + 294
10 UIKit 0x2feb5a6a -[UIView(Internal) _addSubview:positioned:relativeTo:] + 1410
11 UIKit 0x2feb54da -[UIView(Hierarchy) addSubview:] + 26
12 UIKit 0x2ff96dd2 -[UITransitionView transition:fromView:toView:removeFromView:] + 974
13 UIKit 0x2ffd6f5a -[UITransitionView transition:fromView:toView:] + 26
14 UIKit 0x2ffd6f30 -[UITransitionView transition:toView:] + 100
15 UIKit 0x2ffd6056 -[UITabBarController transitionFromViewController:toViewController:transition:shouldSetSelected:] + 1102
16 UIKit 0x2ffd5bfa -[UITabBarController transitionFromViewController:toViewController:] + 34
17 UIKit 0x2ffd5ad2 -[UITabBarController _setSelectedViewController:] + 254
18 UIKit 0x3009fdf0 -[UITabBarController _tabBarItemClicked:] + 268
19 UIKit 0x2fedf052 -[UIApplication sendAction:to:from:forEvent:] + 86
20 UIKit 0x2fedeff2 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 26
21 UIKit 0x3009fca6 -[UITabBar _sendAction:withEvent:] + 366
22 UIKit 0x2fedf052 -[UIApplication sendAction:to:from:forEvent:] + 86
23 UIKit 0x2fedeff2 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 26
24 UIKit 0x2fedefcc -[UIControl sendAction:to:forEvent:] + 40
25 UIKit 0x2feca732 -[UIControl _sendActionsForEvents:withEvent:] + 370
26 UIKit 0x3009f9c6 -[UITabBar(Static) _buttonUp:] + 114
27 UIKit 0x2fedf052 -[UIApplication sendAction:to:from:forEvent:] + 86
28 UIKit 0x2fedeff2 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 26
29 UIKit  
描述:
crash
Exception Type: EXC_BAD_ACCESS (SIGSEGV)Exception Subtype: KERN_INVALID_ADDRESS at 0x216fbcc2
Triggered by Thread: 0
Thread 0 Crashed:
0 libobjc.A.dylib 0x37f10626 objc_msgSend + 6
1 UIKit 0x2ff8b74c -[UISearchBar _didMoveFromWindow:toWindow:] + 152
2 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
3 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
4 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
5 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
6 UIKit 0x2fea9502 -[UIView(Internal) _didMoveFromWindow:toWindow:] + 690
7 UIKit 0x2fea8e6c __45-[UIView(Hierarchy) _postMovedFromSuperview:]_block_invoke + 108
8 Foundation 0x2dff3b28 -[NSISEngine withBehaviors:performModifications:] + 208
9 UIKit 0x2fea8cee -[UIView(Hierarchy) _postMovedFromSuperview:] + 294
10 UIKit 0x2feb5a6a -[UIView(Internal) _addSubview:positioned:relativeTo:] + 1410
11 UIKit 0x2feb54da -[UIView(Hierarchy) addSubview:] + 26
12 UIKit 0x2ff96dd2 -[UITransitionView transition:fromView:toView:removeFromView:] + 974
13 UIKit 0x2ffd6f5a -[UITransitionView transition:fromView:toView:] + 26
14 UIKit 0x2ffd6f30 -[UITransitionView transition:toView:] + 100
15 UIKit 0x2ffd6056 -[UITabBarController transitionFromViewController:toViewController:transition:shouldSetSelected:] + 1102
16 UIKit 0x2ffd5bfa -[UITabBarController transitionFromViewController:toViewController:] + 34
17 UIKit 0x2ffd5ad2 -[UITabBarController _setSelectedViewController:] + 254
18 UIKit 0x3009fdf0 -[UITabBarController _tabBarItemClicked:] + 268
19 UIKit 0x2fedf052 -[UIApplication sendAction:to:from:forEvent:] + 86
20 UIKit 0x2fedeff2 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 26
21 UIKit 0x3009fca6 -[UITabBar _sendAction:withEvent:] + 366
22 UIKit 0x2fedf052 -[UIApplication sendAction:to:from:forEvent:] + 86
23 UIKit 0x2fedeff2 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 26
24 UIKit 0x2fedefcc -[UIControl sendAction:to:forEvent:] + 40
25 UIKit 0x2feca732 -[UIControl _sendActionsForEvents:withEvent:] + 370
26 UIKit 0x3009f9c6 -[UITabBar(Static) _buttonUp:] + 114
27 UIKit 0x2fedf052 -[UIApplication sendAction:to:from:forEvent:] + 86
28 UIKit 0x2fedeff2 -[UIApplication sendAction:toTarget:fromSender:forEvent:] + 26
29 UIKit