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[SR-11774] Compiler crashes on Debug Build Configuration #54181

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swift-ci opened this issue Nov 13, 2019 · 3 comments
Closed

[SR-11774] Compiler crashes on Debug Build Configuration #54181

swift-ci opened this issue Nov 13, 2019 · 3 comments
Labels
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-11774
Radar rdar://problem/57176797
Original Reporter wowlocal (JIRA User)
Type Bug
Status Resolved
Resolution Done
Environment

MacOS 10.14.6 (18G103)

Xcode 11.2/11.2.1/10.3

Apple Swift version 5.1.2 (swiftlang-1100.0.278 clang-1100.0.33.9)

Target: x86_64-apple-darwin18.7.0

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

md5: c7add86195b691df0e702a6fe053727c

Issue Description:

import Foundation

// Does not crash with a Class, only with a struct
struct GenericStruct<O> {
    var bar: () -> O
}


class TestClass {
    var test: GenericStruct<Int>

    init(t: GenericStruct<Int>) {
        test = t
    }


    func foo() {
                // ⚠️
        test.bar()
    }
}
Build target swift-cli of project swift-cli with configuration Debug

CompileSwiftSources normal x86_64 com.apple.xcode.tools.swift.compiler (in target 'swift-cli' from project 'swift-cli')
    cd /Users/a17234380/Desktop/swift-cli
    export DEVELOPER_DIR=/Applications/Xcode.app/Contents/Developer
    export SDKROOT=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swiftc -incremental -module-name swift_cli -Onone -enable-batch-mode -enforce-exclusivity=checked @/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/swift-cli.SwiftFileList -DDEBUG -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -target x86_64-apple-macos10.14 -g -module-cache-path /Users/a17234380/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -Xfrontend -serialize-debugging-options -enable-testing -index-store-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Index/DataStore -swift-version 5 -I /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug -F /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug -c -j12 -output-file-map /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/swift-cli-OutputFileMap.json -parseable-output -serialize-diagnostics -emit-dependencies -emit-module -emit-module-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/swift_cli.swiftmodule -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-generated-files.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-own-target-headers.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-all-target-headers.hmap -Xcc -iquote -Xcc /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-project-headers.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug/include -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources-normal/x86_64 -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources/x86_64 -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources -Xcc -DDEBUG=1 -emit-objc-header -emit-objc-header-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/swift_cli-Swift.h -working-directory /Users/a17234380/Desktop/swift-cli

<unknown>:0: error: unable to execute command: Segmentation fault: 11
<unknown>:0: error: compile command failed due to signal 11 (use -v to see invocation)

CompileSwift normal x86_64 /Users/a17234380/Desktop/swift-cli/swift-cli/main.swift (in target 'swift-cli' from project 'swift-cli')
    cd /Users/a17234380/Desktop/swift-cli
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/a17234380/Desktop/swift-cli/swift-cli/main.swift -emit-module-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main\~partial.swiftmodule -emit-module-doc-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main\~partial.swiftdoc -serialize-diagnostics-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main.dia -emit-dependencies-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main.d -emit-reference-dependencies-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main.swiftdeps -target x86_64-apple-macos10.14 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -I /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug -F /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug -enable-testing -g -module-cache-path /Users/a17234380/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity=checked -Onone -D DEBUG -serialize-debugging-options -Xcc -working-directory -Xcc /Users/a17234380/Desktop/swift-cli -enable-anonymous-context-mangled-names -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-generated-files.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-own-target-headers.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-all-target-headers.hmap -Xcc -iquote -Xcc /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-project-headers.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug/include -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources-normal/x86_64 -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources/x86_64 -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources -Xcc -DDEBUG=1 -module-name swift_cli -o /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main.o -index-store-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Index/DataStore -index-system-modules

/Users/a17234380/Desktop/swift-cli/swift-cli/main.swift:23:8: warning: result of call to function returning 'Int' is unused
                test.bar()
                     ^  ~~
Stack dump:
0.  Program arguments: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/a17234380/Desktop/swift-cli/swift-cli/main.swift -emit-module-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main~partial.swiftmodule -emit-module-doc-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main~partial.swiftdoc -serialize-diagnostics-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main.dia -emit-dependencies-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main.d -emit-reference-dependencies-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main.swiftdeps -target x86_64-apple-macos10.14 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk -I /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug -F /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug -enable-testing -g -module-cache-path /Users/a17234380/Library/Developer/Xcode/DerivedData/ModuleCache.noindex -swift-version 5 -enforce-exclusivity=checked -Onone -D DEBUG -serialize-debugging-options -Xcc -working-directory -Xcc /Users/a17234380/Desktop/swift-cli -enable-anonymous-context-mangled-names -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-overrides.hmap -Xcc -iquote -Xcc /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-generated-files.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-own-target-headers.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-all-target-headers.hmap -Xcc -iquote -Xcc /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/swift-cli-project-headers.hmap -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Products/Debug/include -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources-normal/x86_64 -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources/x86_64 -Xcc -I/Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/DerivedSources -Xcc -DDEBUG=1 -module-name swift_cli -o /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Build/Intermediates.noindex/swift-cli.build/Debug/swift-cli.build/Objects-normal/x86_64/main.o -index-store-path /Users/a17234380/Library/Developer/Xcode/DerivedData/swift-cli-blyhamujimhuwdaifqnqzenvfspm/Index/DataStore -index-system-modules 
1.  While emitting IR SIL function "@$s9swift_cli9TestClassC3fooyyF".
 for 'foo()' (at /Users/a17234380/Desktop/swift-cli/swift-cli/main.swift:22:2)
0  swift                    0x000000010e21da13 PrintStackTraceSignalHandler(void*) + 51
1  swift                    0x000000010e21d1e6 SignalHandler(int) + 358
2  libsystem_platform.dylib 0x00007fff7797eb5d _sigtramp + 29
3  libsystem_platform.dylib 0x00007fd8641e1590 _sigtramp + 3968215632
4  swift                    0x000000010a0ac38e swift::SILInstructionVisitor<(anonymous namespace)::IRGenSILFunction, void>::visit(swift::SILInstruction*) + 36638
5  swift                    0x000000010a0a08fa swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 9834
6  swift                    0x0000000109f4d080 swift::irgen::IRGenerator::emitGlobalTopLevel() + 1712
7  swift                    0x000000010a07d675 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**) + 1189
8  swift                    0x0000000109e69e31 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 36673
9  swift                    0x0000000109e5d6e4 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 6820
10 swift                    0x0000000109deabe3 main + 1219
11 libdyld.dylib            0x00007fff777933d5 start + 1
12 libdyld.dylib            0x0000000000000047 start + 2290535539
error: Segmentation fault: 11 (in target 'swift-cli' from project 'swift-cli')
╰─➤  swift -Onone -frontend -c -primary-file /Users/a17234380/Desktop/swift-cli/swift-cli/main.swift -target x86_64-apple-macos10.14 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk                          
/Users/a17234380/Desktop/swift-cli/swift-cli/main.swift:24:8: warning: result of call to function returning 'Int' is unused
                test.bar()
                     ^  ~~
Stack dump:
0.  Program arguments: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -c -primary-file /Users/a17234380/Desktop/swift-cli/swift-cli/main.swift -target x86_64-apple-macos10.14 -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk 
1.  While emitting IR SIL function "@$s4main9TestClassC3fooyyF".
 for 'foo()' (at /Users/a17234380/Desktop/swift-cli/swift-cli/main.swift:23:2)
0  swift                    0x000000011083ba13 PrintStackTraceSignalHandler(void*) + 51
1  swift                    0x000000011083b1e6 SignalHandler(int) + 358
2  libsystem_platform.dylib 0x00007fff7797eb5d _sigtramp + 29
3  libsystem_platform.dylib 0x00007fbca15450f0 _sigtramp + 700212656
4  swift                    0x000000010c4ed821 llvm::GetElementPtrInst::getGEPReturnType(llvm::Type*, llvm::Value*, llvm::ArrayRef<llvm::Value*>) + 113
5  swift                    0x000000010c4ed57d llvm::GetElementPtrInst::Create(llvm::Type*, llvm::Value*, llvm::ArrayRef<llvm::Value*>, llvm::Twine const&, llvm::Instruction*) + 173
6  swift                    0x000000010c4ed2e0 llvm::IRBuilder<llvm::ConstantFolder, llvm::IRBuilderDefaultInserter>::CreateConstInBoundsGEP2_32(llvm::Type*, llvm::Value*, unsigned int, unsigned int, llvm::Twine const&) + 304
7  swift                    0x000000010c5d0638 swift::irgen::ScalarPairTypeInfo<(anonymous namespace)::FuncTypeInfo, swift::irgen::ReferenceTypeInfo>::loadAsTake(swift::irgen::IRGenFunction&, swift::irgen::Address, swift::irgen::Explosion&) const + 264
8  swift                    0x000000010c6ca38e swift::SILInstructionVisitor<(anonymous namespace)::IRGenSILFunction, void>::visit(swift::SILInstruction*) + 36638
9  swift                    0x000000010c6be8fa swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 9834
10 swift                    0x000000010c56b080 swift::irgen::IRGenerator::emitGlobalTopLevel() + 1712
11 swift                    0x000000010c69b675 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**) + 1189
12 swift                    0x000000010c487e31 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 36673
13 swift                    0x000000010c47b6e4 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 6820
14 swift                    0x000000010c408be3 main + 1219
15 libdyld.dylib            0x00007fff777933d5 start + 1
16 libdyld.dylib            0x000000000000000a start + 2290535478
[1]    19100 segmentation fault  swift -frontend -c -primary-file  -target x86_64-apple-macos10.14  -sdk 
@beccadax
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@swift-ci create

@swift-ci
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Comment by Michel (JIRA)

Workaround:

Boxing generic mutable structs inside class into the struct with immutable value

struct Box<T> { 
  let value: T // must be immutable
  init(_ value: T) { self.value = value } 
}

@aschwaighofer
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This is fixed on current master:

% xcrun /Library/Developer/Toolchains/swift-DEVELOPMENT-SNAPSHOT-2019-11-17-a.xctoolchain/usr/bin/swiftc -c TestCrash.swift

@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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