自动布局方法中的App Store上的iOS崩溃评论
[英]iOS crash on App Store review inside autolayout methods
问题描述
I have a problem with an app rejected during App Store review with the reason that it crashes on launch. 
我在App Store审核期间拒绝某个应用程序时遇到问题，原因是该应用程序在启动时崩溃。 It works without issues or autolayout warnings for me in debug and release configurations (when installed from TestFlight). 在调试和发布配置中（从TestFlight安装时），它对我没有问题或没有自动布局警告。 Stack trace does not include any app code except the main function. 堆栈跟踪除了主要功能外不包含任何应用程序代码。
Please help to identify the possible issue. 请帮助确定可能的问题。
Relevant part of crash log: 崩溃日志的相关部分：
OS Version: iOS 9.3.2 (13F69)
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000073006910
Triggered by Thread: 0
Filtered syslog:
None found
Thread 0 name: Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0 libobjc.A.dylib 0x000000018061db90 objc_msgSend + 16
1 Foundation 0x00000001818dbc38 -[NSISLinearExpression enumerateVariablesAndCoefficients:] + 284
2 Foundation 0x00000001818df078 -[NSISObjectiveLinearExpression replaceVariable:withExpression:processVariableNewToReceiver:processVariableDroppedFromReceiver:] + 352
3 Foundation 0x00000001818dcc88 -[NSISEngine substituteOutAllOccurencesOfBodyVar:withExpression:] + 600
4 Foundation 0x00000001818dc00c -[NSISEngine tryAddingDirectly:] + 140
5 Foundation 0x00000001818db8a0 -[NSISEngine tryToAddConstraintWithMarker:expression:integralizationAdjustment:mutuallyExclusiveConstraints:] + 540
6 Foundation 0x00000001818db53c -[NSLayoutConstraint _addLoweredExpression:toEngine:integralizationAdjustment:lastLoweredConstantWasRounded:mutuallyExclusiveConstraints:] + 284
7 Foundation 0x00000001818d9138 -[NSLayoutConstraint _addToEngine:integralizationAdjustment:mutuallyExclusiveConstraints:] + 228
8 UIKit 0x0000000186201a70 -[UIView(UIConstraintBasedLayout) _layoutEngine_didAddLayoutConstraint:roundingAdjustment:mutuallyExclusiveConstraints:] + 468
9 UIKit 0x0000000186201840 -[UIView(UIConstraintBasedLayout) _tryToAddConstraintWithoutUpdatingConstraintsArray:roundingAdjustment:mutuallyExclusiveConstraints:] + 72
10 UIKit 0x00000001862016e8 -[UIView(UIConstraintBasedLayout) _tryToAddConstraint:roundingAdjustment:mutuallyExclusiveConstraints:] + 288
11 UIKit 0x00000001862015ac -[UIView(UIConstraintBasedLayout) _addConstraint:] + 280
12 UIKit 0x00000001862061a8 -[UIView(UIConstraintBasedLayout) _updateContentSizeConstraints] + 1048
13 UIKit 0x000000018620209c -[UIView(AdditionalLayoutSupport) updateConstraints] + 244
14 UIKit 0x0000000186205d80 -[UILabel updateConstraints] + 220
15 UIKit 0x0000000186992ee4 -[UIView(AdditionalLayoutSupport) _internalUpdateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:forSecondPass:] + 460
16 UIKit 0x000000018699314c -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:forSecondPass:] + 200
17 UIKit 0x0000000186992e14 -[UIView(AdditionalLayoutSupport) _internalUpdateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:forSecondPass:] + 252
18 Foundation 0x00000001818d8cc0 -[NSISEngine withBehaviors:performModifications:] + 168
19 UIKit 0x0000000186204d98 -[UIView(AdditionalLayoutSupport) _withAutomaticEngineOptimizationDisabledIfEngineExists:] + 64
20 UIKit 0x0000000186993120 -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:forSecondPass:] + 156
21 UIKit 0x0000000186992e14 -[UIView(AdditionalLayoutSupport) _internalUpdateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:forSecondPass:] + 252
22 Foundation 0x00000001818d8cc0 -[NSISEngine withBehaviors:performModifications:] + 168
23 UIKit 0x0000000186204d98 -[UIView(AdditionalLayoutSupport) _withAutomaticEngineOptimizationDisabledIfEngineExists:] + 64
24 UIKit 0x0000000186993120 -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:forSecondPass:] + 156
25 UIKit 0x0000000186992e14 -[UIView(AdditionalLayoutSupport) _internalUpdateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:forSecondPass:] + 252
26 UIKit 0x000000018699314c -[UIView(AdditionalLayoutSupport) _updateConstraintsIfNeededAccumulatingViewsNeedingSecondPassAndViewsNeedingBaselineUpdate:forSecondPass:] + 200
27 UIKit 0x0000000186205c7c __60-[UIView(AdditionalLayoutSupport) updateConstraintsIfNeeded]_block_invoke + 100
28 Foundation 0x00000001818d8cc0 -[NSISEngine withBehaviors:performModifications:] + 168
29 UIKit 0x0000000186204d98 -[UIView(AdditionalLayoutSupport) _withAutomaticEngineOptimizationDisabledIfEngineExists:] + 64
30 UIKit 0x00000001862058b0 -[UIView(AdditionalLayoutSupport) updateConstraintsIfNeeded] + 244
31 UIKit 0x0000000186223110 -[UIWindow(UIConstraintBasedLayout) updateConstraintsIfNeeded] + 108
32 UIKit 0x00000001869937f0 -[UIView(AdditionalLayoutSupport) _updateConstraintsAtEngineLevelIfNeeded] + 268
33 UIKit 0x0000000186410aa0 -[UIView(Hierarchy) _updateConstraintsAsNecessaryAndApplyLayoutFromEngine] + 176
34 UIKit 0x00000001860f8210 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 700
35 QuartzCore 0x0000000183a8a994 -[CALayer layoutSublayers] + 148
36 QuartzCore 0x0000000183a855d0 CA::Layer::layout_if_needed(CA::Transaction*) + 292
37 QuartzCore 0x0000000183a85490 CA::Layer::layout_and_display_if_needed(CA::Transaction*) + 32
38 QuartzCore 0x0000000183a84ac0 CA::Context::commit_transaction(CA::Transaction*) + 252
39 QuartzCore 0x0000000183a84820 CA::Transaction::commit() + 500
40 QuartzCore 0x0000000183a7dde4 CA::Transaction::observer_callback(__CFRunLoopObserver*, unsigned long, void*) + 80
41 CoreFoundation 0x0000000180f5c728 __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 32
42 CoreFoundation 0x0000000180f5a4cc __CFRunLoopDoObservers + 372
43 CoreFoundation 0x0000000180e84c70 CFRunLoopRunSpecific + 416
44 UIKit 0x000000018616b94c -[UIApplication _run] + 460
45 UIKit 0x0000000186166088 UIApplicationMain + 204
46 MyApp 0x0000000100095a38 main (AppDelegate.swift:13)
47 libdyld.dylib 0x0000000180a228b8 start + 4
1 个解决方案
解决方案1
0 已采纳 2016-06-10 17:23:00
Turned out it was memory issue not related to autolayout and caused by bug in Swift 2.2 compiler which is already fixed in Swift 2.2.1 (Xcode 7.3.1). 原来这是与自动布局无关的内存问题，是由Swift 2.2编译器中的错误引起的，该问题已在Swift 2.2.1（Xcode 7.3.1）中修复。 Autolayout methods just happened to access invalid memory address caused by other code. 自动布局方法刚巧访问了由其他代码引起的无效内存地址。 It was reproduced on AppStore review and was not reproducible for me because I had Xcode 7.3.1 and build to AppStore was created from different machine with Xcode 7.3. 它是在AppStore审查中复制的，对我来说是不可复制的，因为我有Xcode 7.3.1，并且构建到AppStore的是使用Xcode 7.3从另一台计算机创建的。
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