[Swift2][Xcode7b2] Swift compiler crashes when setting `NSOperation.maxConcurrentOperationCount`
| Originator: | p4checo | ||
| Number: | rdar://21621459 | Date Originated: | 30-Jun-2015 |
| Status: | Open | Resolved: | |
| Product: | Xcode7b2 | Product Version: | |
| Classification: | Reproducible: | Always |
André Neves30-Jun-2015 11:57 PM
Summary:
When attempting to set `NSOperationQueue.maxConcurrentOperationCount` to `NSOperationQueueDefaultMaxConcurrentOperationCount` the build fails due to the compiler crashing with a segmentation fault.
The issue is always reproducible and I've attached the build log transcript
Steps to Reproduce:
Compile the given example source file
Expected Results:
The file should compile successfully
Actual Results:
The file fails to compile
Version:
Version 7.0 beta (7A121l)
Notes:
Configuration:
Happens in Xcode7b2, Swift2
Attachments:
CompileSwiftCrash.swift:
import Foundation
struct CompileSwiftCrash {
let queue : NSOperationQueue = {
let operationQueue = NSOperationQueue()
operationQueue.maxConcurrentOperationCount = NSOperationQueueDefaultMaxConcurrentOperationCount
return operationQueue
}()
}
CompileSwiftCrash-Command_failed_due_to_signal-Segmentation_fault_11.txt
Build target CompileSwiftCrash of project CompileSwiftCrash with configuration Debug
CompileSwiftSources normal x86_64 com.apple.xcode.tools.swift.compiler
cd /Users/apneves/Desktop/CompileSwiftCrash
export PATH="/Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode-beta.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -incremental -module-name CompileSwiftCrash -Onone -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk -target x86_64-apple-ios9.0 -g -module-cache-path /Users/apneves/Library/Developer/Xcode/DerivedData/ModuleCache -Xfrontend -serialize-debugging-options -enable-testing -I /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator -F /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator -c -j2 /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/CompileSwiftCrash.swift /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/ViewController.swift /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/AppDelegate.swift -output-file-map /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash-OutputFileMap.json -parseable-output -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.swiftmodule -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-generated-files.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-own-target-headers.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-all-target-headers.hmap -Xcc -iquote -Xcc /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-project-headers.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/DerivedSources/x86_64 -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/DerivedSources -Xcc -DDEBUG=1 -emit-objc-header -emit-objc-header-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash-Swift.h -Xcc -working-directory/Users/apneves/Desktop/CompileSwiftCrash
<unknown>:0: error: unable to execute command: Segmentation fault: 11
<unknown>:0: error: swift frontend command failed due to signal (use -v to see invocation)
CompileSwift normal x86_64 /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/CompileSwiftCrash.swift
cd /Users/apneves/Desktop/CompileSwiftCrash
/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/CompileSwiftCrash.swift /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/ViewController.swift /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/AppDelegate.swift -target x86_64-apple-ios9.0 -enable-objc-interop -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk -I /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator -F /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator -enable-testing -g -module-cache-path /Users/apneves/Library/Developer/Xcode/DerivedData/ModuleCache -serialize-debugging-options -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-generated-files.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-own-target-headers.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-all-target-headers.hmap -Xcc -iquote -Xcc /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-project-headers.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/DerivedSources/x86_64 -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/DerivedSources -Xcc -DDEBUG=1 -Xcc -working-directory/Users/apneves/Desktop/CompileSwiftCrash -emit-module-doc-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash~partial.swiftdoc -Onone -module-name CompileSwiftCrash -emit-module-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash~partial.swiftmodule -serialize-diagnostics-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.dia -emit-dependencies-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.d -emit-reference-dependencies-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.swiftdeps -o /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.o
0 swift 0x000000010c1f4b9b llvm::sys::PrintStackTrace(__sFILE*) + 43
1 swift 0x000000010c1f52db SignalHandler(int) + 379
2 libsystem_platform.dylib 0x00007fff9217af1a _sigtramp + 26
3 libsystem_platform.dylib 0x00007fff55a08303 _sigtramp + 3280524291
4 swift 0x000000010bfaefaf llvm::ConstantFoldGetElementPtr(llvm::Constant*, bool, llvm::ArrayRef<llvm::Value*>) + 1743
5 swift 0x000000010bfbf658 llvm::ConstantExpr::getGetElementPtr(llvm::Constant*, llvm::ArrayRef<llvm::Value*>, bool, llvm::Type*) + 56
6 swift 0x000000010a2d96c4 llvm::IRBuilder<true, llvm::ConstantFolder, llvm::IRBuilderDefaultInserter<true> >::CreateConstInBoundsGEP2_32(llvm::Value*, unsigned int, unsigned int, llvm::Twine const&) + 308
7 swift 0x000000010a34c08c swift::irgen::ElementLayout::project(swift::irgen::IRGenFunction&, swift::irgen::Address, llvm::Optional<swift::irgen::NonFixedOffsetsImpl*>, llvm::Twine const&) const + 828
8 swift 0x000000010a2fe26f swift::irgen::SequentialField<(anonymous namespace)::StructFieldInfo>::projectAddress(swift::irgen::IRGenFunction&, swift::irgen::Address, llvm::Optional<swift::irgen::NonFixedOffsetsImpl*>) const + 159
9 swift 0x000000010a2ff233 swift::irgen::SequentialTypeInfo<(anonymous namespace)::LoadableStructTypeInfo, swift::irgen::LoadableTypeInfo, (anonymous namespace)::StructFieldInfo, true>::loadAsTake(swift::irgen::IRGenFunction&, swift::irgen::Address, swift::irgen::Explosion&) const + 99
10 swift 0x000000010a33ad45 swift::SILVisitor<(anonymous namespace)::IRGenSILFunction, void>::visit(swift::ValueBase*) + 26773
11 swift 0x000000010a3302e5 (anonymous namespace)::IRGenSILFunction::emitSILFunction() + 11781
12 swift 0x000000010a32d083 swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 659
13 swift 0x000000010a27b65b swift::irgen::IRGenModuleDispatcher::emitLazyDefinitions() + 923
14 swift 0x000000010a313416 performIRGeneration(swift::IRGenOptions&, swift::ModuleDecl*, swift::SILModule*, llvm::StringRef, llvm::LLVMContext&, swift::SourceFile*, unsigned int) + 1030
15 swift 0x000000010a313766 swift::performIRGeneration(swift::IRGenOptions&, swift::SourceFile&, swift::SILModule*, llvm::StringRef, llvm::LLVMContext&, unsigned int) + 70
16 swift 0x000000010a1fd8bf performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&) + 11663
17 swift 0x000000010a1fa913 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2515
18 swift 0x000000010a1f6a9f main + 1983
19 libdyld.dylib 0x00007fff964f95c9 start + 1
Stack dump:
0. Program arguments: /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/CompileSwiftCrash.swift /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/ViewController.swift /Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/AppDelegate.swift -target x86_64-apple-ios9.0 -enable-objc-interop -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator9.0.sdk -I /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator -F /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator -enable-testing -g -module-cache-path /Users/apneves/Library/Developer/Xcode/DerivedData/ModuleCache -serialize-debugging-options -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-generated-files.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-own-target-headers.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-all-target-headers.hmap -Xcc -iquote -Xcc /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/CompileSwiftCrash-project-headers.hmap -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/DerivedSources/x86_64 -Xcc -I/Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/DerivedSources -Xcc -DDEBUG=1 -Xcc -working-directory/Users/apneves/Desktop/CompileSwiftCrash -emit-module-doc-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash~partial.swiftdoc -Onone -module-name CompileSwiftCrash -emit-module-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash~partial.swiftmodule -serialize-diagnostics-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.dia -emit-dependencies-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.d -emit-reference-dependencies-path /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.swiftdeps -o /Users/apneves/Library/Developer/Xcode/DerivedData/CompileSwiftCrash-dpsmzebpotphrtemdopjrtqbtxox/Build/Intermediates/CompileSwiftCrash.build/Debug-iphonesimulator/CompileSwiftCrash.build/Objects-normal/x86_64/CompileSwiftCrash.o
1. While emitting IR SIL function @_TFIvV17CompileSwiftCrash17CompileSwiftCrash5queueCSo16NSOperationQueueiU_FT_S1_ for expression at [/Users/apneves/Desktop/CompileSwiftCrash/CompileSwiftCrash/CompileSwiftCrash.swift:13:36 - line:18:9] RangeText="{
let operationQueue = NSOperationQueue()
operationQueue.maxConcurrentOperationCount = NSOperationQueueDefaultMaxConcurrentOperationCount
return operationQueue
}"
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