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[SR-9066] Abort trap 6 While deserializing SIL vtable #51567

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swift-ci opened this issue Oct 23, 2018 · 3 comments
Open

[SR-9066] Abort trap 6 While deserializing SIL vtable #51567

swift-ci opened this issue Oct 23, 2018 · 3 comments
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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 serialization Area → compiler: Serialization & deserialization

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@swift-ci
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Previous ID SR-9066
Radar rdar://problem/45511836
Original Reporter alvar (JIRA User)
Type Bug

Attachment: Download

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

md5: d88a574f0b74b6ab2fa22c04c4f990f0

relates to:

  • SR-8054 Failure during MergeSwiftModule when UIView subclass implements init()

Issue Description:

When trying to build attached project with Debug configuration where SWIFT_COMPILATION_MODE is set to Incremental, the target fails to build with following log:

MergeSwiftModule normal x86_64 (in target: Trapped)
    cd /Users/alvarhansen/Developer/Trap6
    /Users/alvarhansen/Downloads/Xcode_10.1_Beta_3.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -merge-modules -emit-module /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/View~partial.swiftmodule /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/Button~partial.swiftmodule -parse-as-library -sil-merge-partial-modules -disable-diagnostic-passes -disable-sil-perf-optzns -target x86_64-apple-ios12.1-simulator -enable-objc-interop -sdk /Users/alvarhansen/Downloads/Xcode_10.1_Beta_3.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator12.1.sdk -I /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Products/Debug-iphonesimulator -F /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Products/Debug-iphonesimulator -enable-testing -g -module-cache-path /Users/alvarhansen/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -swift-version 4.2 -enforce-exclusivity=checked -Onone -D DEBUG -serialize-debugging-options -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Trapped-generated-files.hmap -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Trapped-own-target-headers.hmap -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Trapped-all-non-framework-target-headers.hmap -Xcc -ivfsoverlay -Xcc /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/all-product-headers.yaml -Xcc -iquote -Xcc /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Trapped-project-headers.hmap -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/DerivedSources/x86_64 -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/DerivedSources -Xcc -DDEBUG=1 -Xcc -working-directory/Users/alvarhansen/Developer/Trap6 -emit-module-doc-path /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/Trapped.swiftdoc -emit-objc-header-path /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/Trapped-Swift.h -module-name Trapped -o /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/Trapped.swiftmodule

<unknown>:0: error: fatal error encountered while reading from module 'Trapped'; please file a bug report with your project and the crash log *** DESERIALIZATION FAILURE (please include this section in any bug report) *** could not find 'init(frame:)' in parent class 0  swift                    0x0000000112eea59a PrintStackTraceSignalHandler(void*) + 42 1  swift                    0x0000000112ee9d4e SignalHandler(int) + 302 2  libsystem_platform.dylib 0x00007fff72a40b3d _sigtramp + 29 3  libsystem_platform.dylib 0x0000000123fa9bc6 _sigtramp + 2975240358 4  libsystem_c.dylib        0x00007fff728ff1c9 abort + 127 5  swift                    0x000000011034fdbb swift::ModuleFile::fatal(llvm::Error) + 1915 6  swift                    0x0000000110387413 getSILDeclRef(swift::ModuleFile*, llvm::ArrayRef<unsigned long long>, unsigned int&) + 307 7  swift                    0x0000000110389754 swift::SILDeserializer::readVTable(llvm::PointerEmbeddedInt<unsigned int, 31>) + 740 8  swift                    0x000000011043053b swift::SerializedSILLoader::getAllForModule(swift::Identifier, swift::FileUnit*) + 331 9  swift                    0x000000010f17875e performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 34558 10 swift                    0x000000010f16cb65 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 7717 11 swift                    0x000000010f112795 main + 1349 12 libdyld.dylib            0x00007fff72857085 start + 1 Stack dump: 0. Program arguments: /Users/alvarhansen/Downloads/Xcode_10.1_Beta_3.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -merge-modules -emit-module /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/View~partial.swiftmodule /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/Button~partial.swiftmodule -parse-as-library -sil-merge-partial-modules -disable-diagnostic-passes -disable-sil-perf-optzns -target x86_64-apple-ios12.1-simulator -enable-objc-interop -sdk /Users/alvarhansen/Downloads/Xcode_10.1_Beta_3.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator12.1.sdk -I /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Products/Debug-iphonesimulator -F /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Products/Debug-iphonesimulator -enable-testing -g -module-cache-path /Users/alvarhansen/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -swift-version 4.2 -enforce-exclusivity=checked -Onone -D DEBUG -serialize-debugging-options -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Trapped-generated-files.hmap -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Trapped-own-target-headers.hmap -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Trapped-all-non-framework-target-headers.hmap -Xcc -ivfsoverlay -Xcc /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/all-product-headers.yaml -Xcc -iquote -Xcc /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Trapped-project-headers.hmap -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/DerivedSources/x86_64 -Xcc -I/Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/DerivedSources -Xcc -DDEBUG=1 -Xcc -working-directory/Users/alvarhansen/Developer/Trap6 -emit-module-doc-path /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/Trapped.swiftdoc -emit-objc-header-path /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/Trapped-Swift.h -module-name Trapped -o /Users/alvarhansen/Library/Developer/Xcode/DerivedData/Trap6-elemwkxabsutxxbqylirzvhsfvwr/Build/Intermediates.noindex/Trap6.build/Debug-iphonesimulator/Trapped.build/Objects-normal/x86_64/Trapped.swiftmodule 1. While deserializing SIL vtable for 'Button' in module 'Trapped' error: Abort trap: 6

If we use Release configuration where SWIFT_COMPILATION_MODE is set to Whole Module, building succeeds.

With rerelease (JIRA User) we were able to create this project that consists of only 2 files:

View.swift:

import UIKit

class View: UIView {}

and Button.swift

import UIKit

class Button: UIButton {}

extension NSObjectProtocol {
    var controlEvent: UIControl.Event? { return nil }
}

The file names and View or Button class name does not seem to matter.

But the file order in build phase matters, View.swift needs to be before Button.swift.

Next necessary part is UIControl.Event usage inside NSObjectProtocol protocol.

It also reproduces if instead of NSObjectProtocol we use just NSObject extension.

Or if we use any UIControl nested type, for example UIControl.State (In Objective-C, these are not nested types).
@belkadan
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@swift-ci create

@belkadan
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Thank you very much!

@belkadan
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#20024 works around the problem in this case, but I don't think I've completely squashed it yet.

@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
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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 serialization Area → compiler: Serialization & deserialization
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