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[SR-4850] Assertion failed: (Val && "isa<> used on a null pointer"), function doit #47427

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tonyarnold opened this issue May 10, 2017 · 3 comments
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[SR-4850] Assertion failed: (Val && "isa<> used on a null pointer"), function doit #47427

tonyarnold opened this issue May 10, 2017 · 3 comments
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@jckarter
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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 regression serialization Area → compiler: Serialization & deserialization swift 4.0

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@tonyarnold
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Previous ID SR-4850
Radar rdar://problem/32134722
Original Reporter @tonyarnold
Type Bug
Status Resolved
Resolution Done
Additional Detail from JIRA
Votes 1
Component/s Compiler
Labels Bug, 4.0Regression, CompilerCrash, Serialization
Assignee @jckarter
Priority Medium

md5: 869484af6967f3090bfa4d3d963c03a4

relates to:

  • SR-4853 Compiler assertion in recent snapshot.
  • SR-4863 Swift compiler crashes on building SWXMLHash 3.0.2 with swift-DEVELOPMENT-SNAPSHOT-2017-05-10-a

Issue Description:

When building the open source Down framework from https://github.com/iwasrobbed/Down, I'm seeing the following Swift Compiler Error: "Command failed due to signal: Abort trap: 6"

Showing Recent Errors Only
MergeSwiftModule normal x86_64 /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down.swiftmodule
    cd /Users/tonyarnold/Documents/Repositories/Down
    /Users/tonyarnold/Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2017-05-09-a.xctoolchain/usr/bin/swift -frontend -emit-module /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/NSAttributedString+HTML~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownView~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownAttributedStringRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownHTMLRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/String+ToHTML~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownXMLRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownOptions~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownGroffRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownCommonMarkRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownLaTeXRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownErrors~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownASTRenderable~partial.swiftmodule -parse-as-library -target x86_64-apple-ios8.0 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.3.sdk -I /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Products/Debug-iphonesimulator -I /Users/tonyarnold/Documents/Repositories/Down/Source/cmark -F /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Products/Debug-iphonesimulator -enable-testing -g -module-cache-path /Users/tonyarnold/Library/Developer/Xcode/DerivedData/ModuleCache -D DEBUG -serialize-debugging-options -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Down-generated-files.hmap -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Down-own-target-headers.hmap -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Down-all-non-framework-target-headers.hmap -Xcc -ivfsoverlay -Xcc /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/all-product-headers.yaml -Xcc -iquote -Xcc /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Down-project-headers.hmap -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/DerivedSources/x86_64 -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/DerivedSources -Xcc -DDEBUG=1 -Xcc -working-directory/Users/tonyarnold/Documents/Repositories/Down -emit-module-doc-path /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down.swiftdoc -module-name Down -emit-objc-header-path /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down-Swift.h -o /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down.swiftmodule

Assertion failed: (Val && "isa<> used on a null pointer"), function doit, file /Users/buildnode/jenkins/workspace/oss-swift-package-osx/llvm/include/llvm/Support/Casting.h, line 95.
0  swift                    0x000000010642d998 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1  swift                    0x000000010642c966 llvm::sys::RunSignalHandlers() + 86
2  swift                    0x000000010642df59 SignalHandler(int) + 361
3  libsystem_platform.dylib 0x00007fff8c1b4b3a _sigtramp + 26
4  swift                    0x0000000106d1e008 (anonymous namespace)::DarwinX86AsmBackend::getCompactUnwindRegNum(unsigned int) const::CU64BitRegs + 192686
5  libsystem_c.dylib        0x00007fff8c039420 abort + 129
6  libsystem_c.dylib        0x00007fff8c000893 basename_r + 0
7  swift                    0x0000000103e07149 swift::ModuleFile::finishNormalConformance(swift::NormalProtocolConformance*, unsigned long long) + 4249
8  swift                    0x000000010425f6e3 swift::NormalProtocolConformance::resolveLazyInfo() const + 99
9  swift                    0x0000000103e39d95 swift::serialization::Serializer::writeNormalConformance(swift::NormalProtocolConformance const*) + 661
10 swift                    0x0000000103e4840b swift::serialization::Serializer::writeAllDeclsAndTypes() + 2699
11 swift                    0x0000000103e49898 swift::serialization::Serializer::writeAST(llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, bool) + 3288
12 swift                    0x0000000103e4e55b swift::serialization::Serializer::writeToStream(llvm::raw_ostream&, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::SILModule const*, swift::SerializationOptions const&) + 139
13 swift                    0x0000000103e7f0e3 void llvm::function_ref<void (llvm::raw_ostream&)>::callback_fn<swift::serialize(llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::SerializationOptions const&, swift::SILModule const*)::$_4>(long, llvm::raw_ostream&) + 179
14 swift                    0x0000000103e4f6eb withOutputFile(swift::ASTContext&, llvm::StringRef, llvm::function_ref<void (llvm::raw_ostream&)>) + 395
15 swift                    0x0000000103e4f4dc swift::serialize(llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::SerializationOptions const&, swift::SILModule const*) + 220
16 swift                    0x000000010322c28c performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 10428
17 swift                    0x00000001032288fa swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2650
18 swift                    0x00000001031e53a0 main + 3312
19 libdyld.dylib            0x00007fff8bfa5235 start + 1
20 libdyld.dylib            0x0000000000000048 start + 1946529300
Stack dump:
0.  Program arguments: /Users/tonyarnold/Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2017-05-09-a.xctoolchain/usr/bin/swift -frontend -emit-module /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/NSAttributedString+HTML~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownView~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownAttributedStringRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownHTMLRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/String+ToHTML~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownXMLRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownOptions~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownGroffRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownCommonMarkRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownLaTeXRenderable~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownErrors~partial.swiftmodule /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/DownASTRenderable~partial.swiftmodule -parse-as-library -target x86_64-apple-ios8.0 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.3.sdk -I /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Products/Debug-iphonesimulator -I /Users/tonyarnold/Documents/Repositories/Down/Source/cmark -F /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Products/Debug-iphonesimulator -enable-testing -g -module-cache-path /Users/tonyarnold/Library/Developer/Xcode/DerivedData/ModuleCache -D DEBUG -serialize-debugging-options -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Down-generated-files.hmap -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Down-own-target-headers.hmap -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Down-all-non-framework-target-headers.hmap -Xcc -ivfsoverlay -Xcc /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/all-product-headers.yaml -Xcc -iquote -Xcc /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Down-project-headers.hmap -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/DerivedSources/x86_64 -Xcc -I/Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/DerivedSources -Xcc -DDEBUG=1 -Xcc -working-directory/Users/tonyarnold/Documents/Repositories/Down -emit-module-doc-path /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down.swiftdoc -module-name Down -emit-objc-header-path /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down-Swift.h -o /Users/tonyarnold/Library/Developer/Xcode/DerivedData/Down-etihjsvrytuqvuffipswjcqkmkym/Build/Intermediates/Down.build/Debug-iphonesimulator/Down.build/Objects-normal/x86_64/Down.swiftmodule
@belkadan
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@swift-ci create

@jckarter
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PR for master: #9562
And 4.0: #9563

@slavapestov
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I think this is done, the PR was merged.

@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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@jckarter jckarter

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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 regression serialization Area → compiler: Serialization & deserialization swift 4.0
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@tonyarnold @slavapestov @jckarter @belkadan @AnthonyLatsis