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[SR-4863] Swift compiler crashes on building SWXMLHash 3.0.2 with swift-DEVELOPMENT-SNAPSHOT-2017-05-10-a #47440

norio-nomura opened this issue May 11, 2017 · 3 comments


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@norio-nomura norio-nomura commented May 11, 2017

Previous ID SR-4863
Radar None
Original Reporter @norio-nomura
Type Bug
Status Closed
Resolution Done

Attachment: Download



Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, 4.0Regression, CompilerCrash
Assignee None
Priority Medium

md5: a04b2d6fa42732c72f922b7cac6c299b

relates to:

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

Issue Description:

Reproducing steps:

1. git clone
2. cd SWXMLHash
3. xcodebuild -toolchain org.swift.3020170510a -workspace SWXMLHash.xcworkspace/ -scheme SWXMLHash\ OSX test

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                    0x00000001078da1b8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1  swift                    0x00000001078d9186 llvm::sys::RunSignalHandlers() + 86
2  swift                    0x00000001078da779 SignalHandler(int) + 361
3  libsystem_platform.dylib 0x00007fffa3591b3a _sigtramp + 26
4  libsystem_platform.dylib 000000000000000000 _sigtramp + 1554441440
5  libsystem_c.dylib        0x00007fffa3416420 abort + 129
6  libsystem_c.dylib        0x00007fffa33dd893 basename_r + 0
7  swift                    0x00000001052b3679 swift::ModuleFile::finishNormalConformance(swift::NormalProtocolConformance*, unsigned long long) + 4249
8  swift                    0x000000010570bf03 swift::NormalProtocolConformance::resolveLazyInfo() const + 99
9  swift                    0x00000001052e62c5 swift::serialization::Serializer::writeNormalConformance(swift::NormalProtocolConformance const*) + 661
10 swift                    0x00000001052f493b swift::serialization::Serializer::writeAllDeclsAndTypes() + 2699
11 swift                    0x00000001052f5dc8 swift::serialization::Serializer::writeAST(llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, bool) + 3288
12 swift                    0x00000001052faa8b swift::serialization::Serializer::writeToStream(llvm::raw_ostream&, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::SILModule const*, swift::SerializationOptions const&) + 139
13 swift                    0x000000010532b613 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                    0x00000001052fbc1b withOutputFile(swift::ASTContext&, llvm::StringRef, llvm::function_ref<void (llvm::raw_ostream&)>) + 395
15 swift                    0x00000001052fba0c swift::serialize(llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::SerializationOptions const&, swift::SILModule const*) + 220
16 swift                    0x00000001046e5fec performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 10428
17 swift                    0x00000001046e265a swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2650
18 swift                    0x000000010469f0b0 main + 3312
19 libdyld.dylib            0x00007fffa3382235 start + 1

Full crash log attached.

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@belkadan belkadan commented May 11, 2017

Likely the same as SR-4850.

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Contributor Author

@norio-nomura norio-nomura commented May 12, 2017

This crash does not happen with swift-4.0-DEVELOPMENT-SNAPSHOT-2017-05-11-a on ubuntu 16.04

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@norio-nomura norio-nomura commented May 16, 2017

I confirmed that this issue has been fixed on swift-4.0-DEVELOPMENT-SNAPSHOT-2017-05-15-a.

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