This is definitely not my first time hitting Swift compiler crashes :)

In the past, the stack traces have been helpful, pointing to what code the 
compiler was working on when it crashed. Unfortunately, this latest crash 
doesn't fall into that category:

CompileSwift normal x86_64 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Sources/iOS/FormBuilder/Row.swift
    cd /Users/emaloney/Documents/Code/CleanroomProject/AppleTart
    
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift
 -frontend -c -filelist 
/var/folders/gn/gt76_ktx7w1010xg4v68p3txynz8ws/T/sources-a27d97 -primary-file 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Sources/iOS/FormBuilder/Row.swift
 -target x86_64-apple-ios9.0 -enable-objc-interop -sdk 
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk
 -I 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Products/Debug-iphonesimulator
 -F 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Products/Debug-iphonesimulator
 -F 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Carthage/Checkouts/AppleApiDocClients/build/Debug
 -F 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Carthage/Checkouts/AppleTapstreamClient/build/Debug
 -F 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Carthage/Checkouts/PromiseKit/build/Debug
 -enable-testing -g -import-objc-header 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/BuildControl/Bridging-Header.h
 -module-cache-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/ModuleCache -D DEBUG 
-serialize-debugging-options -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/swift-overrides.hmap
 -Xcc -iquote -Xcc 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/AppleTart-generated-files.hmap
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/AppleTart-own-target-headers.hmap
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/AppleTart-all-non-framework-target-headers.hmap
 -Xcc -ivfsoverlay -Xcc 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/all-product-headers.yaml
 -Xcc -iquote -Xcc 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/AppleTart-project-headers.hmap
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Products/Debug-iphonesimulator/include
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Products/Debug-iphonesimulator/CardIO.framework/Headers
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/DerivedSources/x86_64
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/DerivedSources
 -Xcc -DDEBUG=1 -Xcc 
-working-directory/Users/emaloney/Documents/Code/CleanroomProject/AppleTart 
-emit-module-doc-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row~partial.swiftdoc
 -Onone -module-name AppleTart -emit-module-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row~partial.swiftmodule
 -serialize-diagnostics-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row.dia
 -emit-dependencies-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row.d
 -emit-reference-dependencies-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row.swiftdeps
 -o 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row.o

0  swift                    0x000000010e668b6d 
PrintStackTraceSignalHandler(void*) + 45
1  swift                    0x000000010e6685b6 SignalHandler(int) + 470
2  libsystem_platform.dylib 0x00007fff94a7b52a _sigtramp + 26
3  libsystem_platform.dylib 0x0000000000000004 _sigtramp + 1800948468
4  swift                    0x000000010baa58d2 llvm::Value* 
llvm::function_ref<llvm::Value* (unsigned 
int)>::callback_fn<swift::irgen::emitArchetypeWitnessTableRef(swift::irgen::IRGenFunction&,
 swift::CanTypeWrapper<swift::ArchetypeType>, swift::ProtocolDecl*)::$_0>(long, 
unsigned int) + 530
5  swift                    0x000000010bb83600 
swift::irgen::emitImpliedWitnessTableRef(swift::irgen::IRGenFunction&, 
llvm::ArrayRef<swift::irgen::ProtocolEntry>, swift::ProtocolDecl*, 
llvm::function_ref<llvm::Value* (unsigned int)> const&) + 240
6  swift                    0x000000010baa56a7 
swift::irgen::emitArchetypeWitnessTableRef(swift::irgen::IRGenFunction&, 
swift::CanTypeWrapper<swift::ArchetypeType>, swift::ProtocolDecl*) + 247
7  swift                    0x000000010bb7f9cd 
swift::SILWitnessVisitor<(anonymous 
namespace)::WitnessTableBuilder>::visitProtocolDecl(swift::ProtocolDecl*) + 5997
8  swift                    0x000000010bb7d4d7 
swift::irgen::IRGenModule::emitSILWitnessTable(swift::SILWitnessTable*) + 503
9  swift                    0x000000010baef8ed 
swift::irgen::IRGenerator::emitGlobalTopLevel() + 2077
10 swift                    0x000000010bbb0fcb 
performIRGeneration(swift::IRGenOptions&, swift::ModuleDecl*, 
swift::SILModule*, llvm::StringRef, llvm::LLVMContext&, swift::SourceFile*, 
unsigned int) + 1259
11 swift                    0x000000010ba7f1c7 
performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, 
llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) + 23687
12 swift                    0x000000010ba77265 
swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, 
swift::FrontendObserver*) + 17029
13 swift                    0x000000010ba3482d main + 8685
14 libdyld.dylib            0x00007fff8ab5c5ad start + 1
Stack dump:
0.      Program arguments: 
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift
 -frontend -c -filelist 
/var/folders/gn/gt76_ktx7w1010xg4v68p3txynz8ws/T/sources-a27d97 -primary-file 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Sources/iOS/FormBuilder/Row.swift
 -target x86_64-apple-ios9.0 -enable-objc-interop -sdk 
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.0.sdk
 -I 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Products/Debug-iphonesimulator
 -F 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Products/Debug-iphonesimulator
 -F 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Carthage/Checkouts/AppleApiDocClients/build/Debug
 -F 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Carthage/Checkouts/AppleTapstreamClient/build/Debug
 -F 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/Carthage/Checkouts/PromiseKit/build/Debug
 -enable-testing -g -import-objc-header 
/Users/emaloney/Documents/Code/CleanroomProject/AppleTart/BuildControl/Bridging-Header.h
 -module-cache-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/ModuleCache -D DEBUG 
-serialize-debugging-options -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/swift-overrides.hmap
 -Xcc -iquote -Xcc 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/AppleTart-generated-files.hmap
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/AppleTart-own-target-headers.hmap
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/AppleTart-all-non-framework-target-headers.hmap
 -Xcc -ivfsoverlay -Xcc 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/all-product-headers.yaml
 -Xcc -iquote -Xcc 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/AppleTart-project-headers.hmap
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Products/Debug-iphonesimulator/include
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Products/Debug-iphonesimulator/CardIO.framework/Headers
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/DerivedSources/x86_64
 -Xcc 
-I/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/DerivedSources
 -Xcc -DDEBUG=1 -Xcc 
-working-directory/Users/emaloney/Documents/Code/CleanroomProject/AppleTart 
-emit-module-doc-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row~partial.swiftdoc
 -Onone -module-name AppleTart -emit-module-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row~partial.swiftmodule
 -serialize-diagnostics-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row.dia
 -emit-dependencies-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row.d
 -emit-reference-dependencies-path 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row.swiftdeps
 -o 
/Users/emaloney/Library/Developer/Xcode/DerivedData/AppleTart-gydtadecugkemlbxcybcwsxuynku/Build/Intermediates/AppleTart.build/Debug-iphonesimulator/AppleTart-iOS.build/Objects-normal/x86_64/Row.o
 




> On Oct 21, 2016, at 12:41 PM, Jon Shier <j...@jonshier.com> wrote:
> 
> With Swift 3 I’ve found these crashes to be indicative of an underlying 
> source issue rather than something random in the compiler. When you get the 
> crash, can you get the backtrace in the Xcode build log? Sometimes that has 
> clues about what it was doing when it crashed. A lot of the time when the 
> crash is during the parsing or SIL generation for one of your functions, it 
> will note it and you can take a look, as there may be a type mismatch. 
> 
> 
> 
> Jon
> 
>> On Oct 21, 2016, at 12:26 PM, Evan Maloney via swift-users 
>> <swift-users@swift.org> wrote:
>> 
>> After a gargantuan effort updating our entire codebase to Swift 3.0, we are 
>> now being greeted with "Segmentation fault: 11" compiler crash whenever 
>> attempting to build.
>> 
>> The issue seems to be related to generics, and sounds similar to this issue:
>> 
>>      
>> http://stackoverflow.com/questions/39426535/segmentation-fault-11-xcode-8-swift-3-after-using-notificationcenter/39426812
>> 
>> I've filed a bug report that includes our project codebase, which triggers 
>> the issue 100% of the time:
>> 
>>      rdar://problem/28890409
>> 
>> The usual work-around of turning off Whole Module Optimization (which has 
>> gotten around a lot of compiler crashes in the past) does not work here.
>> 
>> Unfortunately, this code is in such a tangle of generics that undoing it is 
>> not going to be simple. Until a new version of Xcode ships, we're pretty 
>> much blocked from using Swift 3.0 unless another work-around is possible.
>> _______________________________________________
>> swift-users mailing list
>> swift-users@swift.org
>> https://lists.swift.org/mailman/listinfo/swift-users
> 

_______________________________________________
swift-users mailing list
swift-users@swift.org
https://lists.swift.org/mailman/listinfo/swift-users

Reply via email to