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[SR-11229] Setting a property with @Published in a method in some complex type makes Swift compiler crashes #53630

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pitiphong-p opened this issue Jul 30, 2019 · 3 comments

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@pitiphong-p
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@pitiphong-p pitiphong-p commented Jul 30, 2019

Previous ID SR-11229
Radar rdar://problem/53712388
Original Reporter @pitiphong-p
Type Bug
Status Closed
Resolution Done

Attachment: Download

Environment

Xcode 11 beta 4 and 5

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, CompilerCrash
Assignee @pitiphong-p
Priority Medium

md5: e19870a94a8f79730b60cf520dc43da1

Issue Description:

I have a complicated generic type with @published property. When I build the project, the complier crashes with Segmentation Fault error.

I attached a reproducible project


Stack dump:

0. Program arguments: /Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/pitiphong.p/Downloads/SwfitCrash/SwfitCrash/SearchDataViewController.swift /Users/pitiphong.p/Downloads/SwfitCrash/SwfitCrash/AppDelegate.swift /Users/pitiphong.p/Downloads/SwfitCrash/SwfitCrash/SceneDelegate.swift -emit-module-path /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/Objects-normal/x86_64/SearchDataViewController~partial.swiftmodule -emit-module-doc-path /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/Objects-normal/x86_64/SearchDataViewController~partial.swiftdoc -serialize-diagnostics-path /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/Objects-normal/x86_64/SearchDataViewController.dia -emit-dependencies-path /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/Objects-normal/x86_64/SearchDataViewController.d -emit-reference-dependencies-path /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/Objects-normal/x86_64/SearchDataViewController.swiftdeps -target x86_64-apple-ios13.0-simulator -enable-objc-interop -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator13.0.sdk -I /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Products/Debug-iphonesimulator -F /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Products/Debug-iphonesimulator -enable-testing -g -module-cache-path /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity=checked -Onone -D DEBUG -serialize-debugging-options -Xcc -working-directory -Xcc /Users/pitiphong.p/Downloads/SwfitCrash -enable-anonymous-context-mangled-names -Xcc -I/Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/SwfitCrash-generated-files.hmap -Xcc -I/Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/SwfitCrash-own-target-headers.hmap -Xcc -I/Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/SwfitCrash-all-target-headers.hmap -Xcc -iquote -Xcc /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/SwfitCrash-project-headers.hmap -Xcc -I/Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Products/Debug-iphonesimulator/include -Xcc -I/Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/DerivedSources-normal/x86_64 -Xcc -I/Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/DerivedSources/x86_64 -Xcc -I/Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/DerivedSources -Xcc -DDEBUG=1 -module-name SwfitCrash -o /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Build/Intermediates.noindex/SwfitCrash.build/Debug-iphonesimulator/SwfitCrash.build/Objects-normal/x86_64/SearchDataViewController.o -index-store-path /Users/pitiphong.p/Library/Developer/Xcode/DerivedData/SwfitCrash-brrbdomvzwpxrqdkeridgfntmajr/Index/DataStore -index-system-modules 

1. While emitting IR SIL function "@$s10SwfitCrash24SearchDataViewControllerC06resulteF0ACyxGqd___tc0D0Qyd__RszSo06UIViewF0CRbd__AA0c10ResultListeF0Rd__lufc".

 for 'init(resultViewController:)' (at /Users/pitiphong.p/Downloads/SwfitCrash/SwfitCrash/SearchDataViewController.swift:139:3)

0  swift                    0x00000001053360e3 PrintStackTraceSignalHandler(void\*) + 51

1  swift                    0x00000001053358b6 SignalHandler(int) + 358

2  libsystem_platform.dylib 0x00007fff5b8d0b5d _sigtramp + 29

3  libsystem_platform.dylib 0x00007fa78203fc40 _sigtramp + 645329152

4  swift                    0x0000000100ffd988 swift::irgen::emitArchetypeTypeMetadataRef(swift::irgen::IRGenFunction&, swift::CanTypeWrapper<swift::ArchetypeType>, swift::irgen::DynamicMetadataRequest) + 984

5  swift                    0x0000000101217345 emitDirectTypeMetadataRef(swift::irgen::IRGenFunction&, swift::CanType, swift::irgen::DynamicMetadataRequest) + 197

6  swift                    0x000000010121bbe5 swift::irgen::IRGenFunction::emitTypeMetadataRef(swift::CanType, swift::irgen::DynamicMetadataRequest) + 149

7  swift                    0x000000010121bfe1 void llvm::function_ref<void (unsigned int, swift::CanType, llvm::Optional<swift::ProtocolConformanceRef>)>::callback_fn<(anonymous namespace)::GenericArguments::collect(swift::irgen::IRGenFunction&, swift::CanType)::'lambda'(unsigned int, swift::CanType, llvm::Optional<swift::ProtocolConformanceRef>)>(long, unsigned int, swift::CanType, llvm::Optional<swift::ProtocolConformanceRef>) + 113

8  swift                    0x000000010115dc2f swift::irgen::GenericTypeRequirements::enumerateFulfillments(swift::irgen::IRGenModule&, swift::SubstitutionMap, llvm::function_ref<void (unsigned int, swift::CanType, llvm::Optional<swift::ProtocolConformanceRef>)>) + 335

...

@belkadan
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@belkadan belkadan commented Jul 30, 2019

@swift-ci create

@hborla
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@hborla hborla commented May 26, 2021

This is fixed in Swift 5.5. Could you please verify using a 5.5 development toolchain from https://swift.org/download/#snapshots? Thank you!

@pitiphong-p
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@pitiphong-p pitiphong-p commented May 26, 2021

Verified that this issue is resolved

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
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