**19:03:14** FAILED: ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o **19:03:14** mkdir -p `dirname ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o`; mkdir -p ../build/buildbot_linux/foundation-linux-x86_64; /home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift -frontend -c Foundation/NSObject.swift Foundation/AffineTransform.swift Foundation/NSArray.swift Foundation/NSAttributedString.swift Foundation/Bundle.swift Foundation/ByteCountFormatter.swift Foundation/NSCache.swift Foundation/NSCalendar.swift Foundation/NSCFArray.swift Foundation/NSCFBoolean.swift Foundation/NSCFDictionary.swift Foundation/NSCFSet.swift Foundation/NSCFString.swift Foundation/NSCharacterSet.swift Foundation/NSCFCharacterSet.swift Foundation/NSCoder.swift Foundation/NSComparisonPredicate.swift Foundation/NSCompoundPredicate.swift Foundation/NSConcreteValue.swift Foundation/NSData.swift Foundation/NSDate.swift Foundation/DateComponentsFormatter.swift Foundation/DateFormatter.swift Foundation/DateIntervalFormatter.swift Foundation/Decimal.swift Foundation/NSDecimalNumber.swift Foundation/NSDictionary.swift Foundation/EnergyFormatter.swift Foundation/NSEnumerator.swift Foundation/NSError.swift Foundation/NSExpression.swift Foundation/FileHandle.swift Foundation/FileManager.swift Foundation/Formatter.swift Foundation/NSGeometry.swift Foundation/Host.swift Foundation/HTTPCookie.swift Foundation/HTTPCookieStorage.swift Foundation/NSIndexPath.swift Foundation/NSIndexSet.swift Foundation/ISO8601DateFormatter.swift Foundation/JSONSerialization.swift Foundation/NSKeyedCoderOldStyleArray.swift Foundation/NSKeyedArchiver.swift Foundation/NSKeyedArchiverHelpers.swift Foundation/NSKeyedUnarchiver.swift Foundation/LengthFormatter.swift Foundation/NSLocale.swift Foundation/NSLock.swift Foundation/NSLog.swift Foundation/MassFormatter.swift Foundation/NSNotification.swift Foundation/NotificationQueue.swift Foundation/NSNull.swift Foundation/NSNumber.swift Foundation/NumberFormatter.swift Foundation/NSObjCRuntime.swift Foundation/Operation.swift Foundation/NSOrderedSet.swift Foundation/NSPathUtilities.swift Foundation/NSPersonNameComponents.swift Foundation/PersonNameComponentsFormatter.swift Foundation/NSPlatform.swift Foundation/Port.swift Foundation/PortMessage.swift Foundation/NSPredicate.swift Foundation/ProcessInfo.swift Foundation/Progress.swift Foundation/ProgressFraction.swift Foundation/PropertyListSerialization.swift Foundation/NSRange.swift Foundation/NSRegularExpression.swift Foundation/RunLoop.swift Foundation/Scanner.swift Foundation/NSSet.swift Foundation/NSSortDescriptor.swift Foundation/NSSpecialValue.swift Foundation/Stream.swift Foundation/NSString.swift Foundation/NSStringAPI.swift Foundation/NSSwiftRuntime.swift Foundation/Process.swift Foundation/NSTextCheckingResult.swift Foundation/Thread.swift Foundation/Timer.swift Foundation/NSTimeZone.swift Foundation/NSURL.swift Foundation/URLAuthenticationChallenge.swift Foundation/URLCache.swift Foundation/URLCredential.swift Foundation/URLCredentialStorage.swift Foundation/NSURLError.swift Foundation/URLProtectionSpace.swift Foundation/URLProtocol.swift Foundation/NSURLRequest.swift Foundation/URLResponse.swift -primary-file Foundation/URLSession/Configuration.swift Foundation/URLSession/libcurl/EasyHandle.swift Foundation/URLSession/BodySource.swift Foundation/URLSession/Message.swift Foundation/URLSession/http/HTTPMessage.swift Foundation/URLSession/libcurl/MultiHandle.swift Foundation/URLSession/URLSession.swift Foundation/URLSession/URLSessionConfiguration.swift Foundation/URLSession/URLSessionDelegate.swift Foundation/URLSession/URLSessionTask.swift Foundation/URLSession/TaskRegistry.swift Foundation/URLSession/NativeProtocol.swift Foundation/URLSession/TransferState.swift Foundation/URLSession/libcurl/libcurlHelpers.swift Foundation/URLSession/http/HTTPURLProtocol.swift Foundation/UserDefaults.swift Foundation/NSUUID.swift Foundation/NSValue.swift Foundation/XMLDocument.swift Foundation/XMLDTD.swift Foundation/XMLDTDNode.swift Foundation/XMLElement.swift Foundation/XMLNode.swift Foundation/XMLParser.swift Foundation/FoundationErrors.swift Foundation/URL.swift Foundation/UUID.swift Foundation/Boxing.swift Foundation/ReferenceConvertible.swift Foundation/Date.swift Foundation/Data.swift Foundation/CharacterSet.swift Foundation/URLRequest.swift Foundation/PersonNameComponents.swift Foundation/Notification.swift Foundation/URLComponents.swift Foundation/DateComponents.swift Foundation/DateInterval.swift Foundation/IndexPath.swift Foundation/IndexSet.swift Foundation/StringEncodings.swift Foundation/ExtraStringAPIs.swift Foundation/Measurement.swift Foundation/NSMeasurement.swift Foundation/MeasurementFormatter.swift Foundation/Unit.swift Foundation/TimeZone.swift Foundation/Calendar.swift Foundation/Locale.swift Foundation/String.swift Foundation/Set.swift Foundation/Dictionary.swift Foundation/Array.swift Foundation/Bridging.swift Foundation/CGFloat.swift Foundation/Codable.swift Foundation/JSONEncoder.swift -I/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/lib/swift/linux -Xcc -fblocks -resource-dir /home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/lib/swift -target x86_64-unknown-linux -Ibootstrap/common/usr/include -Ibootstrap/common/usr/local/include -Ibootstrap/x86_64-linux-gnu/usr/include -Ibootstrap/x86_64-linux-gnu/usr/local/include -O -I../build/buildbot_linux/foundation-linux-x86_64/Foundation -I../build/buildbot_linux/foundation-linux-x86_64/Foundation/usr//lib/swift -I../build/buildbot_linux/foundation-linux-x86_64 -DDEPLOYMENT_RUNTIME_SWIFT -I../build/buildbot_linux/foundation-linux-x86_64/Foundation//usr//lib/swift -I/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/xctest-linux-x86_64 -L/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/xctest-linux-x86_64 -licui18n -licuuc -licudata -licuuc -licudata -I/usr/include/x86_64-linux-gnu -lcurl -I/usr/include/libxml2 -lxml2 -DDEPLOYMENT_ENABLE_LIBDISPATCH -I/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/swift-corelibs-libdispatch -I/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/libdispatch-linux-x86_64/src/swift -Xcc -fblocks -swift-version 4 -module-name Foundation -module-link-name Foundation -o ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o -emit-module-path ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o.~partial.swiftmodule -emit-module-doc-path ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o.~partial.swiftdoc -emit-dependencies-path ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o.d -emit-reference-dependencies-path ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o.swiftdeps -module-cache-path ../build/buildbot_linux/foundation-linux-x86_64 **19:03:14** Foundation/URLSession/Configuration.swift:104:13: warning: variable 'request' was never mutated; consider changing to 'let' constant **19:03:14** var request = request **19:03:14** ~~~ ^ **19:03:14** let **19:03:14** Stack dump: **19:03:14** 0. Program arguments: /home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift -frontend -c Foundation/NSObject.swift Foundation/AffineTransform.swift Foundation/NSArray.swift Foundation/NSAttributedString.swift Foundation/Bundle.swift Foundation/ByteCountFormatter.swift Foundation/NSCache.swift Foundation/NSCalendar.swift Foundation/NSCFArray.swift Foundation/NSCFBoolean.swift Foundation/NSCFDictionary.swift Foundation/NSCFSet.swift Foundation/NSCFString.swift Foundation/NSCharacterSet.swift Foundation/NSCFCharacterSet.swift Foundation/NSCoder.swift Foundation/NSComparisonPredicate.swift Foundation/NSCompoundPredicate.swift Foundation/NSConcreteValue.swift Foundation/NSData.swift Foundation/NSDate.swift Foundation/DateComponentsFormatter.swift Foundation/DateFormatter.swift Foundation/DateIntervalFormatter.swift Foundation/Decimal.swift Foundation/NSDecimalNumber.swift Foundation/NSDictionary.swift Foundation/EnergyFormatter.swift Foundation/NSEnumerator.swift Foundation/NSError.swift Foundation/NSExpression.swift Foundation/FileHandle.swift Foundation/FileManager.swift Foundation/Formatter.swift Foundation/NSGeometry.swift Foundation/Host.swift Foundation/HTTPCookie.swift Foundation/HTTPCookieStorage.swift Foundation/NSIndexPath.swift Foundation/NSIndexSet.swift Foundation/ISO8601DateFormatter.swift Foundation/JSONSerialization.swift Foundation/NSKeyedCoderOldStyleArray.swift Foundation/NSKeyedArchiver.swift Foundation/NSKeyedArchiverHelpers.swift Foundation/NSKeyedUnarchiver.swift Foundation/LengthFormatter.swift Foundation/NSLocale.swift Foundation/NSLock.swift Foundation/NSLog.swift Foundation/MassFormatter.swift Foundation/NSNotification.swift Foundation/NotificationQueue.swift Foundation/NSNull.swift Foundation/NSNumber.swift Foundation/NumberFormatter.swift Foundation/NSObjCRuntime.swift Foundation/Operation.swift Foundation/NSOrderedSet.swift Foundation/NSPathUtilities.swift Foundation/NSPersonNameComponents.swift Foundation/PersonNameComponentsFormatter.swift Foundation/NSPlatform.swift Foundation/Port.swift Foundation/PortMessage.swift Foundation/NSPredicate.swift Foundation/ProcessInfo.swift Foundation/Progress.swift Foundation/ProgressFraction.swift Foundation/PropertyListSerialization.swift Foundation/NSRange.swift Foundation/NSRegularExpression.swift Foundation/RunLoop.swift Foundation/Scanner.swift Foundation/NSSet.swift Foundation/NSSortDescriptor.swift Foundation/NSSpecialValue.swift Foundation/Stream.swift Foundation/NSString.swift Foundation/NSStringAPI.swift Foundation/NSSwiftRuntime.swift Foundation/Process.swift Foundation/NSTextCheckingResult.swift Foundation/Thread.swift Foundation/Timer.swift Foundation/NSTimeZone.swift Foundation/NSURL.swift Foundation/URLAuthenticationChallenge.swift Foundation/URLCache.swift Foundation/URLCredential.swift Foundation/URLCredentialStorage.swift Foundation/NSURLError.swift Foundation/URLProtectionSpace.swift Foundation/URLProtocol.swift Foundation/NSURLRequest.swift Foundation/URLResponse.swift -primary-file Foundation/URLSession/Configuration.swift Foundation/URLSession/libcurl/EasyHandle.swift Foundation/URLSession/BodySource.swift Foundation/URLSession/Message.swift Foundation/URLSession/http/HTTPMessage.swift Foundation/URLSession/libcurl/MultiHandle.swift Foundation/URLSession/URLSession.swift Foundation/URLSession/URLSessionConfiguration.swift Foundation/URLSession/URLSessionDelegate.swift Foundation/URLSession/URLSessionTask.swift Foundation/URLSession/TaskRegistry.swift Foundation/URLSession/NativeProtocol.swift Foundation/URLSession/TransferState.swift Foundation/URLSession/libcurl/libcurlHelpers.swift Foundation/URLSession/http/HTTPURLProtocol.swift Foundation/UserDefaults.swift Foundation/NSUUID.swift Foundation/NSValue.swift Foundation/XMLDocument.swift Foundation/XMLDTD.swift Foundation/XMLDTDNode.swift Foundation/XMLElement.swift Foundation/XMLNode.swift Foundation/XMLParser.swift Foundation/FoundationErrors.swift Foundation/URL.swift Foundation/UUID.swift Foundation/Boxing.swift Foundation/ReferenceConvertible.swift Foundation/Date.swift Foundation/Data.swift Foundation/CharacterSet.swift Foundation/URLRequest.swift Foundation/PersonNameComponents.swift Foundation/Notification.swift Foundation/URLComponents.swift Foundation/DateComponents.swift Foundation/DateInterval.swift Foundation/IndexPath.swift Foundation/IndexSet.swift Foundation/StringEncodings.swift Foundation/ExtraStringAPIs.swift Foundation/Measurement.swift Foundation/NSMeasurement.swift Foundation/MeasurementFormatter.swift Foundation/Unit.swift Foundation/TimeZone.swift Foundation/Calendar.swift Foundation/Locale.swift Foundation/String.swift Foundation/Set.swift Foundation/Dictionary.swift Foundation/Array.swift Foundation/Bridging.swift Foundation/CGFloat.swift Foundation/Codable.swift Foundation/JSONEncoder.swift -I/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/lib/swift/linux -Xcc -fblocks -resource-dir /home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/lib/swift -target x86_64-unknown-linux -Ibootstrap/common/usr/include -Ibootstrap/common/usr/local/include -Ibootstrap/x86_64-linux-gnu/usr/include -Ibootstrap/x86_64-linux-gnu/usr/local/include -O -I../build/buildbot_linux/foundation-linux-x86_64/Foundation -I../build/buildbot_linux/foundation-linux-x86_64/Foundation/usr//lib/swift -I../build/buildbot_linux/foundation-linux-x86_64 -DDEPLOYMENT_RUNTIME_SWIFT -I../build/buildbot_linux/foundation-linux-x86_64/Foundation//usr//lib/swift -I/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/xctest-linux-x86_64 -L/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/xctest-linux-x86_64 -licui18n -licuuc -licudata -licuuc -licudata -I/usr/include/x86_64-linux-gnu -lcurl -I/usr/include/libxml2 -lxml2 -DDEPLOYMENT_ENABLE_LIBDISPATCH -I/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/swift-corelibs-libdispatch -I/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/libdispatch-linux-x86_64/src/swift -Xcc -fblocks -swift-version 4 -module-name Foundation -module-link-name Foundation -o ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o -emit-module-path ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o.~partial.swiftmodule -emit-module-doc-path ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o.~partial.swiftdoc -emit-dependencies-path ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o.d -emit-reference-dependencies-path ../build/buildbot_linux/foundation-linux-x86_64/Foundation/Foundation/URLSession/Configuration.swift.o.swiftdeps -module-cache-path ../build/buildbot_linux/foundation-linux-x86_64 **19:03:14** 1. While running pass #3373 SILFunctionTransform "HighLevelLICM" on SILFunction "@$s10Foundation015convertToStringD033_1D3CE3C9809CFBD6D82F8FC0DCEFD0F0LL10dictionarySDyS2SGSDys11AnyHashableVypG_tF". **19:03:14** for 'convertToStringString(dictionary:)' at Foundation/URLSession/Configuration.swift:134:9 **19:03:14** 2. While evaluating request SuperclassTypeRequest(Foundation.(file).NSString@Foundation/NSString.swift:176:12, interface) **19:03:14** 3. While evaluating request InheritedTypeRequest(Foundation.(file).NSString@Foundation/NSString.swift:176:12, 0, interface) **19:03:14** 4. While resolving type NSObject at [Foundation/NSString.swift:176:23 - line:176:23] RangeText="" **19:03:14** #0 0x00000000041b5cd4 PrintStackTraceSignalHandler(void*) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x41b5cd4) **19:03:14** #1 0x00000000041b3a5e llvm::sys::RunSignalHandlers() (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x41b3a5e) **19:03:14** #2 0x00000000041b5e92 SignalHandler(int) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x41b5e92) **19:03:14** #3 0x00007f52ae873890 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x12890) **19:03:14** #4 0x00000000013d2a8c (anonymous namespace)::AvailabilityWalker::diagAvailability(swift::ValueDecl const*, swift::SourceRange, swift::ApplyExpr const*, bool, bool) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x13d2a8c) **19:03:14** #5 0x00000000013d1cb1 swift::diagnoseDeclAvailability(swift::ValueDecl const*, swift::TypeChecker&, swift::DeclContext*, swift::SourceRange, bool, bool) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x13d1cb1) **19:03:14** #6 0x000000000148655a swift::TypeChecker::resolveIdentifierType(swift::TypeResolution, swift::IdentTypeRepr*, swift::TypeResolutionOptions) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x148655a) **19:03:14** #7 0x0000000001487752 (anonymous namespace)::TypeResolver::resolveType(swift::TypeRepr*, swift::TypeResolutionOptions) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x1487752) **19:03:14** #8 0x0000000001485a61 swift::TypeResolution::resolveType(swift::TypeRepr*, swift::TypeResolutionOptions) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x1485a61) **19:03:14** #9 0x000000000146fa24 swift::InheritedTypeRequest::evaluate(swift::Evaluator&, llvm::PointerUnion<swift::TypeDecl*, swift::ExtensionDecl*>, unsigned int, swift::TypeResolutionStage) const (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x146fa24) **19:03:14** #10 0x0000000001470665 swift::SimpleRequest<swift::InheritedTypeRequest, (swift::CacheKind)2, swift::Type, llvm::PointerUnion<swift::TypeDecl*, swift::ExtensionDecl*>, unsigned int, swift::TypeResolutionStage>::evaluateRequest(swift::InheritedTypeRequest const&, swift::Evaluator&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x1470665) **19:03:14** #11 0x000000000140a05c llvm::Expected<swift::InheritedTypeRequest::OutputType> swift::Evaluator::getResultUncached<swift::InheritedTypeRequest>(swift::InheritedTypeRequest const&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x140a05c) **19:03:14** #12 0x0000000001409d22 llvm::Expected<swift::InheritedTypeRequest::OutputType> swift::Evaluator::getResultCached<swift::InheritedTypeRequest, (void*)0>(swift::InheritedTypeRequest const&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x1409d22) **19:03:14** #13 0x0000000001409244 llvm::Expected<swift::InheritedTypeRequest::OutputType> swift::Evaluator::operator()<swift::InheritedTypeRequest>(swift::InheritedTypeRequest const&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x1409244) **19:03:14** #14 0x000000000146fb8f swift::SuperclassTypeRequest::evaluate(swift::Evaluator&, swift::NominalTypeDecl*, swift::TypeResolutionStage) const (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x146fb8f) **19:03:14** #15 0x0000000001470681 swift::SimpleRequest<swift::SuperclassTypeRequest, (swift::CacheKind)2, swift::Type, swift::NominalTypeDecl*, swift::TypeResolutionStage>::evaluateRequest(swift::SuperclassTypeRequest const&, swift::Evaluator&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x1470681) **19:03:14** #16 0x000000000179b5c7 llvm::Expected<swift::SuperclassTypeRequest::OutputType> swift::Evaluator::getResultUncached<swift::SuperclassTypeRequest>(swift::SuperclassTypeRequest const&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x179b5c7) **19:03:14** #17 0x000000000179b2b2 llvm::Expected<swift::SuperclassTypeRequest::OutputType> swift::Evaluator::getResultCached<swift::SuperclassTypeRequest, (void*)0>(swift::SuperclassTypeRequest const&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x179b2b2) **19:03:14** #18 0x000000000179a9c4 llvm::Expected<swift::SuperclassTypeRequest::OutputType> swift::Evaluator::operator()<swift::SuperclassTypeRequest>(swift::SuperclassTypeRequest const&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x179a9c4) **19:03:14** #19 0x000000000178cb8e swift::SuperclassTypeRequest::OutputType swift::evaluateOrDefault<swift::SuperclassTypeRequest>(swift::Evaluator&, swift::SuperclassTypeRequest, swift::SuperclassTypeRequest::OutputType) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x178cb8e) **19:03:14** #20 0x0000000001794ec4 swift::ClassDecl::getSuperclass() const (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x1794ec4) **19:03:14** #21 0x00000000018402d6 swift::TypeBase::getSuperclass(bool) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x18402d6) **19:03:14** #22 0x000000000184077d swift::TypeBase::isExactSuperclassOf(swift::Type) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x184077d) **19:03:14** #23 0x0000000000f496f9 swift::AliasAnalysis::typesMayAlias(swift::SILType, swift::SILType) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xf496f9) **19:03:14** #24 0x0000000000f489a7 swift::AliasAnalysis::aliasInner(swift::SILValue, swift::SILValue, swift::SILType, swift::SILType) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xf489a7) **19:03:14** #25 0x0000000000f49a5b swift::AliasAnalysis::alias(swift::SILValue, swift::SILValue, swift::SILType, swift::SILType) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xf49a5b) **19:03:14** #26 0x0000000000f87855 swift::SILInstructionVisitor<(anonymous namespace)::MemoryBehaviorVisitor, swift::SILInstruction::MemoryBehavior>::visit(swift::SILInstruction*) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xf87855) **19:03:14** #27 0x0000000000f85f18 swift::AliasAnalysis::computeMemoryBehaviorInner(swift::SILInstruction*, swift::SILValue, swift::RetainObserveKind) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xf85f18) **19:03:14** #28 0x0000000000f85a86 swift::AliasAnalysis::computeMemoryBehavior(swift::SILInstruction*, swift::SILValue, swift::RetainObserveKind) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xf85a86) **19:03:14** #29 0x000000000106e3ae (anonymous namespace)::LoopTreeOptimization::optimize() (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x106e3ae) **19:03:14** #30 0x000000000106cffd (anonymous namespace)::LICM::run() (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x106cffd) **19:03:14** #31 0x0000000000d59922 swift::SILPassManager::runPassOnFunction(unsigned int, swift::SILFunction*) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xd59922) **19:03:14** #32 0x0000000000d5a692 swift::SILPassManager::runFunctionPasses(unsigned int, unsigned int) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xd5a692) **19:03:14** #33 0x0000000000d5b7af swift::SILPassManager::execute() (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xd5b7af) **19:03:14** #34 0x00000000005ad838 swift::SILPassManager::executePassPipelinePlan(swift::SILPassPipelinePlan const&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x5ad838) **19:03:14** #35 0x0000000000d6357a swift::runSILOptimizationPasses(swift::SILModule&) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0xd6357a) **19:03:14** #36 0x00000000004c088a performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x4c088a) **19:03:14** #37 0x00000000004bc819 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x4bc819) **19:03:14** #38 0x000000000046dea0 main (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x46dea0) **19:03:14** #39 0x00007f52accb4b97 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b97) **19:03:14** #40 0x000000000046c2ba _start (/home/buildnode/jenkins/workspace/oss-swift-package-linux-ubuntu-18_04/build/buildbot_linux/swift-linux-x86_64/bin/swift+0x46c2ba) **19:03:14** Segmentation fault (core dumped)
Thanks,
Mishal Shah