Swift 分段故障：11，Xcode 7.2，整个模块优化
使用Xcode 7.2（7C68）、Swift 2.1、Swift 分段故障：11，Xcode 7.2，整个模块优化,swift,Swift,使用Xcode 7.2（7C68）、Swift 2.1、整个模块优化启用、分段故障编译：11 禁用整个模块优化时问题消失 0 swift 0x000000010767afbb llvm::sys::PrintStackTrace(__sFILE*) + 43 1 swift 0x000000010767b6fb SignalHandler(int) + 379
整个模块优化整个模块优化时 0 swift 0x000000010767afbb llvm::sys::PrintStackTrace(__sFILE*) + 43
1 swift 0x000000010767b6fb SignalHandler(int) + 379
2 libsystem_platform.dylib 0x00007fff96c25eaa _sigtramp + 26
3 libsystem_platform.dylib 0x00007fc5256ebf70 _sigtramp + 2393661664
4 swift 0x0000000105e3d31a swift::Substitution::subst(swift::ModuleDecl*, llvm::ArrayRef<swift::Substitution>, llvm::DenseMap<swift::TypeBase*, swift::Type, llvm::DenseMapInfo<swift::TypeBase*>, llvm::detail::DenseMapPair<swift::TypeBase*, swift::Type> >&, llvm::DenseMap<swift::ArchetypeType*, llvm::ArrayRef<swift::ProtocolConformance*>, llvm::DenseMapInfo<swift::ArchetypeType*>, llvm::detail::DenseMapPair<swift::ArchetypeType*, llvm::ArrayRef<swift::ProtocolConformance*> > >&) const + 1002
5 swift 0x0000000105e3ceff swift::Substitution::subst(swift::ModuleDecl*, swift::GenericParamList*, llvm::ArrayRef<swift::Substitution>) const + 1679
6 swift 0x0000000105bb538c swift::TypeSubstCloner<swift::GenericCloner>::remapSubstitution(swift::Substitution) + 60
7 swift 0x0000000105bb5265 swift::SILCloner<swift::GenericCloner>::getOpConformances(swift::ArchetypeType*, swift::CanType, llvm::ArrayRef<swift::ProtocolConformance*>) + 85
8 swift 0x0000000105bb516f swift::SILCloner<swift::GenericCloner>::getOpConformancesForExistential(swift::CanType, swift::CanType, llvm::ArrayRef<swift::ProtocolConformance*>) + 143
9 swift 0x0000000105bafecf swift::SILCloner<swift::GenericCloner>::visitInitExistentialRefInst(swift::InitExistentialRefInst*) + 79
10 swift 0x0000000105ba8beb swift::SILCloner<swift::GenericCloner>::visitSILBasicBlock(swift::SILBasicBlock*) + 59
11 swift 0x0000000105ba85ca swift::GenericCloner::populateCloned() + 522
12 swift 0x0000000105bb680c swift::GenericCloner::cloneFunction(swift::SILFunction*, llvm::DenseMap<swift::TypeBase*, swift::Type, llvm::DenseMapInfo<swift::TypeBase*>, llvm::detail::DenseMapPair<swift::TypeBase*, swift::Type> >&, llvm::DenseMap<swift::TypeBase*, swift::Type, llvm::DenseMapInfo<swift::TypeBase*>, llvm::detail::DenseMapPair<swift::TypeBase*, swift::Type> >&, llvm::StringRef, swift::ApplySite, std::__1::function<void (swift::SILInstruction*, swift::SILInstruction*)>) + 412
13 swift 0x0000000105bb64e1 swift::trySpecializeApplyOfGeneric(swift::ApplySite, swift::SILFunction*&, llvm::SmallVectorImpl<std::__1::pair<swift::ApplySite, swift::ApplySite> >&) + 1073
14 swift 0x0000000105a0cf03 (anonymous namespace)::SILPerformanceInliner::devirtualizeAndSpecializeApplies(llvm::SmallVectorImpl<swift::ApplySite>&, swift::CallGraphAnalysis*, swift::SILModuleTransform*, llvm::SmallVectorImpl<swift::SILFunction*>&) + 1539
15 swift 0x0000000105a0a588 (anonymous namespace)::SILPerformanceInlinerPass::run() + 1544
16 swift 0x00000001059d7d99 swift::SILPassManager::runOneIteration() + 1689
17 swift 0x00000001059d62d2 swift::runSILOptimizationPasses(swift::SILModule&) + 402
18 swift 0x000000010576bb16 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&) + 11830
19 swift 0x0000000105768ad3 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2691
20 swift 0x0000000105765154 main + 2324
21 libdyld.dylib 0x00007fff9bbb65ad start + 1`
0 swift 0x000000010767afbb llvm:：sys:：PrintStackTrace（u sFILE*）+43
1个swift 0x000000010767b6fb信号处理器（内部）+379
2 libsystem_platform.dylib 0x00007fff96c25eaa_sigtramp+26
3 libsystem_platform.dylib 0x00007fc5256ebf70_sigtramp+2393661664
4 swift 0x0000000105e3d31a swift:：Substitution:：subst（swift:：ModuleDecl*，llvm:：ArrayRef，llvm:：DensMap&，llvm:：DensMap&）常量+1002
5 swift 0x0000000105e3ceff swift:：Substitution:：subst（swift:：ModuleDecl*，swift:：GenericParamList*，llvm:：ArrayRef）常量+1679
6 swift 0x0000000105bb538c swift:：TypeSubstitutionCloner:：remapSubstitution（swift:：Substitution）+60
7 swift 0x0000000105bb5265 swift:：SILCloner:：GetOpConformance（swift:：ArchetypeType*，swift:：CanType，llvm:：ArrayRef）+85
8 swift 0x0000000105bb516f swift:：SILCloner:：getOpConformancesForExistential（swift:：CanType，swift:：CanType，llvm:：ArrayRef）+143
9 swift 0x0000000105bafecf swift:：SILCloner:：VISITINTITEXistentialRefinst（swift:：InitExistentialRefInst*）+79
10 swift 0x0000000105ba8beb swift:：SILCloner:：VISILTSILBASICBLOCK（swift:：SILBasicBlock*）+59
11 swift 0x0000000105ba85ca swift:：GenericCloner:：PopulateClone（）+522
12 swift 0x0000000105bb680c swift:：GenericCloner:：cloneFunction（swift:：SILFunction*，llvm:：DensMap&，llvm:：DensMap&，llvm:：StringRef，swift:：ApplySite，std:：\uu 1:：function）+412
13 swift 0x0000000105bb64e1 swift:：trysSpecializeApplyOfGeneric（swift:：ApplySite，swift:：SILFunction*&，llvm:：SmallVectorImpl&）+1073
14 swift 0x0000000105a0cf03（匿名命名空间）：：SILPerformanceInliner:：DeviceAlizeAndSpecializeApplies（llvm:：SmallVectorImpl&，swift:：CallGraphAnalysis*，swift:：SILModuleTransform*，llvm:：SmallVectorImpl&+1539
15 swift 0x0000000105a0a588（匿名命名空间）：：SILPerformanceInlinerPass:：run（）+1544
16 swift 0x00000001059d7d99 swift:：SILPassManager:：runOneIteration（）+1689
17 swift 0x00000001059d62d2 swift:：runSILOptimizationPasses（swift:：SILModule&）+402
18 swift 0x000000010576bb16性能文件（swift:：编译器立场和，swift:：编译器职业和，llvm:：ArrayRef，int&）+11830
19 swift 0x0000000105768ad3前端_main（llvm:：ArrayRef，char const*，void*）+2691
20 swift 0x0000000105765154干管+2324
21 libdyld.dylib 0x00007fff9bbb65ad启动+1`