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[SR-10796] Segmentation fault when compiling project #53186

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swift-ci opened this issue May 30, 2019 · 1 comment
Closed

[SR-10796] Segmentation fault when compiling project #53186

swift-ci opened this issue May 30, 2019 · 1 comment
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software

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@swift-ci
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Previous ID SR-10796
Radar rdar://problem/51262618
Original Reporter kansaichris (JIRA User)
Type Bug
Status Resolved
Resolution Done

Attachment: Download

Environment

Xcode Version 10.2.1 (10E1001)

Apple Swift version 5.0.1 (swiftlang-1001.0.82.4 clang-1001.0.46.5)

Target: x86_64-apple-darwin18.6.0

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, CompilerCrash
Assignee None
Priority Medium

md5: 81809a15f7f43e232b39b4cab58508c1

Issue Description:

When attempting to compile the attached project, Xcode crashes with a segmentation fault. Here's the full stack trace:

Stack dump:
0.  Program arguments: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c /Users/chris/Developer/Test/Test/DatabaseQueue.swift /Users/chris/Developer/Test/Test/DatabaseTable.swift -primary-file /Users/chris/Developer/Test/Test/SQLStatement.swift /Users/chris/Developer/Test/Test/DatabaseColumn.swift /Users/chris/Developer/Test/Test/main.swift /Users/chris/Developer/Test/Test/DatabaseRecord.swift /Users/chris/Developer/Test/Test/Database.swift -emit-module-path /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Objects-normal/x86_64/SQLStatement~partial.swiftmodule -emit-module-doc-path /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Objects-normal/x86_64/SQLStatement~partial.swiftdoc -serialize-diagnostics-path /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Objects-normal/x86_64/SQLStatement.dia -emit-dependencies-path /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Objects-normal/x86_64/SQLStatement.d -emit-reference-dependencies-path /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Objects-normal/x86_64/SQLStatement.swiftdeps -target x86_64-apple-macosx10.14 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -I /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Products/Debug -F /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Products/Debug -enable-testing -g -module-cache-path /Users/chris/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity=checked -Onone -D DEBUG -serialize-debugging-options -Xcc -working-directory -Xcc /Users/chris/Developer/Test -enable-anonymous-context-mangled-names -Xcc -I/Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Test-generated-files.hmap -Xcc -I/Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Test-own-target-headers.hmap -Xcc -I/Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Test-all-target-headers.hmap -Xcc -iquote -Xcc /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Test-project-headers.hmap -Xcc -I/Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Products/Debug/include -Xcc -I/Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/DerivedSources-normal/x86_64 -Xcc -I/Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/DerivedSources/x86_64 -Xcc -I/Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/DerivedSources -Xcc -DDEBUG=1 -module-name Test -o /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Build/Intermediates.noindex/Test.build/Debug/Test.build/Objects-normal/x86_64/SQLStatement.o -index-store-path /Users/chris/Library/Developer/Xcode/DerivedData/Test-ebygnmmrxgssllbzrtfugnyaxtsa/Index/DataStore -index-system-modules 
1.  While emitting IR SIL function "@$s4Test12SQLStatementO12ColumnOptionO4hash4intoys6HasherVz_tF".
 for 'hash(into:)' (in module 'Test')
0  swift                    0x0000000110b18ee3 PrintStackTraceSignalHandler(void*) + 51
1  swift                    0x0000000110b186bc SignalHandler(int) + 348
2  libsystem_platform.dylib 0x00007fff647aab5d _sigtramp + 29
3  libsystem_platform.dylib 0x0000000000000003 _sigtramp + 2609206467
4  swift                    0x000000010c9c6b22 swift::irgen::emitArchetypeWitnessTableRef(swift::irgen::IRGenFunction&, swift::CanTypeWrapper<swift::ArchetypeType>, swift::ProtocolDecl*) + 402
5  swift                    0x000000010cb0de9c swift::irgen::emitWitnessTableRef(swift::irgen::IRGenFunction&, swift::CanType, llvm::Value**, swift::ProtocolConformanceRef) + 204
6  swift                    0x000000010cb163f0 swift::irgen::emitGenericRequirementFromSubstitutions(swift::irgen::IRGenFunction&, swift::CanGenericSignature, swift::ModuleDecl&, swift::irgen::GenericRequirement, swift::SubstitutionMap) + 256
7  swift                    0x000000010cb16254 void llvm::function_ref<void (swift::irgen::GenericRequirement)>::callback_fn<(anonymous namespace)::EmitPolymorphicArguments::emit(swift::SubstitutionMap, swift::irgen::WitnessMetadata*, swift::irgen::Explosion&)::$_22>(long, swift::irgen::GenericRequirement) + 36
8  swift                    0x000000010cb13b72 void llvm::function_ref<void (swift::irgen::GenericRequirement)>::callback_fn<(anonymous namespace)::PolymorphicConvention::enumerateUnfulfilledRequirements(llvm::function_ref<void (swift::irgen::GenericRequirement)> const&)::$_12>(long, swift::irgen::GenericRequirement) + 162
9  swift                    0x000000010cb13aaf (anonymous namespace)::PolymorphicConvention::enumerateUnfulfilledRequirements(llvm::function_ref<void (swift::irgen::GenericRequirement)> const&) + 319
10 swift                    0x000000010cb15fd5 swift::irgen::emitPolymorphicArguments(swift::irgen::IRGenFunction&, swift::CanTypeWrapper<swift::SILFunctionType>, swift::SubstitutionMap, swift::irgen::WitnessMetadata*, swift::irgen::Explosion&) + 501
11 swift                    0x000000010cb9b6b6 (anonymous namespace)::IRGenSILFunction::visitFullApplySite(swift::FullApplySite) + 2022
12 swift                    0x000000010cb7ba4a swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 9898
13 swift                    0x000000010ca395c0 swift::irgen::IRGenerator::emitGlobalTopLevel(bool) + 1232
14 swift                    0x000000010cb5b414 performIRGeneration(swift::IRGenOptions&, swift::ModuleDecl*, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule> >, llvm::StringRef, swift::PrimarySpecificPaths const&, llvm::LLVMContext&, swift::SourceFile*, llvm::GlobalVariable**) + 1076
15 swift                    0x000000010c97d319 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 49433
16 swift                    0x000000010c96d92e swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 6862
17 swift                    0x000000010c90b9ce main + 1246
18 libdyld.dylib            0x00007fff645bf3d5 start + 1
error: Segmentation fault: 11

For what it's worth, I've found that the Swift compiler will stop crashing if I replace the following two lines in SQLStatement.swift:

enum SQLStatement<Table: DatabaseTable> {
    typealias Column = Table.Column

with this:

enum SQLStatement<Column: DatabaseColumn> {

Interestingly enough, the Swift compiler will also stop crashing if I simply delete DatabaseQueue.swift (but not if I comment out its contents).

Hope this helps!
@DougGregor
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This is fixed on master

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added the crash Bug: A crash, i.e., an abnormal termination of software label Dec 12, 2022
This issue was closed.
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself crash Bug: A crash, i.e., an abnormal termination of software
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@DougGregor @swift-ci @AnthonyLatsis