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[SR-12966] Compiler crash when using enum case as witness with library evolution on #55412

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theblixguy opened this issue Jun 9, 2020 · 2 comments
Closed

[SR-12966] Compiler crash when using enum case as witness with library evolution on #55412

theblixguy opened this issue Jun 9, 2020 · 2 comments
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@slavapestov
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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 SILGen Area → compiler: The SIL generation stage

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@theblixguy
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Previous ID SR-12966
Radar rdar://problem/70395861
Original Reporter @theblixguy
Type Bug
Status Resolved
Resolution Done
Environment

Swift version 5.3-dev (LLVM 94f1132, Swift 87b4a5f6b2)
macOS 10.15.4 (19E287)
Xcode 11.4.1 (11E503a)

Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, CompilerCrash, SILGen
Assignee @slavapestov
Priority Medium

md5: 2dcf0383756eb573988671b6efc5954a

Issue Description:

public protocol PublicProtoFoo {
  static var bar: Self { get }
}

public enum PublicEnumFoo: PublicProtoFoo {
  case bar
}
Assertion failed: (enumTI.isLoadable() || !silConv.useLoweredAddresses()), function emitEnumConstructor, file /Users/spare/Documents/swift-src/swift/lib/SILGen/SILGenConstructor.cpp, line 534.
Stack dump:
0.  Program arguments: ./swiftc -frontend -emit-ir -enable-library-evolution -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk /Users/spare/Desktop/test.swift
1.  Swift version 5.3-dev (LLVM 94f1132277, Swift 87b4a5f6b2)
2.  While evaluating request ASTLoweringRequest(Lowering AST to SIL for module test)
3.  While silgen enum constructor SIL function "@$s4test13PublicEnumFooO3baryA2CmF".
 for 'bar' (at /Users/spare/Desktop/test.swift:6:8)
0  swiftc                   0x00000001114055d8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1  swiftc                   0x0000000111404825 llvm::sys::RunSignalHandlers() + 85
2  swiftc                   0x0000000111405ba6 SignalHandler(int) + 262
3  libsystem_platform.dylib 0x00007fff6b8a55fd _sigtramp + 29
4  swiftc                   0x0000000113d1c928 cmark_strbuf__initbuf + 172376
5  libsystem_c.dylib        0x00007fff6b77b808 abort + 120
6  libsystem_c.dylib        0x00007fff6b77aac6 err + 0
7  swiftc                   0x00000001115d56f3 swift::Lowering::SILGenFunction::emitEnumConstructor(swift::EnumElementDecl*) (.cold.5) + 35
8  swiftc                   0x000000010d61315a swift::Lowering::SILGenFunction::emitEnumConstructor(swift::EnumElementDecl*) + 2650
9  swiftc                   0x000000010d5cfcd6 emitDelayedFunction(swift::Lowering::SILGenModule&, swift::SILDeclRef, swift::SILFunction*) + 918
10 swiftc                   0x000000010d5cf059 swift::ASTLoweringRequest::evaluate(swift::Evaluator&, swift::ASTLoweringDescriptor) const + 5625
11 swiftc                   0x000000010d6a7441 swift::SimpleRequest<swift::ASTLoweringRequest, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule> > (swift::ASTLoweringDescriptor), (swift::RequestFlags)9>::evaluateRequest(swift::ASTLoweringRequest const&, swift::Evaluator&) + 33
12 swiftc                   0x000000010d5d3da9 llvm::Expected<swift::ASTLoweringRequest::OutputType> swift::Evaluator::getResultUncached<swift::ASTLoweringRequest>(swift::ASTLoweringRequest const&) + 345
13 swiftc                   0x000000010d5cf4fd llvm::Expected<swift::ASTLoweringRequest::OutputType> swift::Evaluator::operator()<swift::ASTLoweringRequest, (void*)0>(swift::ASTLoweringRequest const&) + 61
14 swiftc                   0x000000010d5cf444 swift::performASTLowering(swift::ModuleDecl*, swift::Lowering::TypeConverter&, swift::SILOptions const&) + 116
15 swiftc                   0x000000010d2a2cde performCompile(swift::CompilerInstance&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) + 7790
16 swiftc                   0x000000010d29fe89 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3529
17 swiftc                   0x000000010d24116d main + 861
18 libdyld.dylib            0x00007fff6b6accc9 start + 1
19 libdyld.dylib            0x0000000000000007 start + 18446603338714002239
@slavapestov
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@swift-ci create

@slavapestov
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#34421

@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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@slavapestov slavapestov

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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 SILGen Area → compiler: The SIL generation stage
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@slavapestov @theblixguy @AnthonyLatsis