[swift-dev] ToT failing to build?

[Jordan Rose]

Crashes in clang::ASTReader usually mean "clear your module cache". That does mean there's a bug, though, that we're not putting the revision numbers into the module hash. Mind filing an SR to track that, since I thought we were?

Jordan


> On Aug 30, 2017, at 13:30, David Zarzycki via swift-dev <swift-dev at swift.org> wrote:
> 
> Anybody else seeing top-of-tree (af34e394e7) fail to build? I’m on macOS 17A358a with Xcode 9M214v (beta 6) and building like so:
> 
> ./utils/build-script --build-subdir="$(dirname $PWD)/t" --llvm-targets-to-build X86 --skip-ios --skip-tvos --skip-watchos -r
> 
> The build crash is below. Any ideas?
> 
> 
> swiftc -c -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk -target x86_64-apple-macosx10.9 -F /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/../../../Developer/Library/Frameworks -O -no-link-objc-runtime -force-single-frontend-invocation -parse-as-library -module-name DriverUtils -emit-module -emit-module-path /Volumes/data/wt/master/t/swift-macosx-x86_64/benchmark/O-x86_64-apple-macosx10.9/DriverUtils.swiftmodule -o /Volumes/data/wt/master/t/swift-macosx-x86_64/benchmark/O-x86_64-apple-macosx10.9/DriverUtils.o /Volumes/data/wt/master/swift/benchmark/utils/DriverUtils.swift /Volumes/data/wt/master/swift/benchmark/utils/ArgParse.swift
> Assertion failed: (idx < size()), function operator[], file /Volumes/data/wt/master/llvm/include/llvm/ADT/SmallVector.h, line 153.
> 0  swift                    0x00000001102a0a38 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
> 1  swift                    0x000000011029f986 llvm::sys::RunSignalHandlers() + 86
> 2  swift                    0x00000001102a0ffe SignalHandler(int) + 366
> 3  libsystem_platform.dylib 0x00007fff59b53f5a _sigtramp + 26
> 4  libsystem_platform.dylib 0x00000001140f9588 _sigtramp + 3126482504
> 5  libsystem_c.dylib        0x00007fff5997f32a abort + 127
> 6  libsystem_c.dylib        0x00007fff59947380 basename_r + 0
> 7  swift                    0x000000010f7adb4a clang::ASTReader::ReadString(llvm::SmallVector<unsigned long long, 64u> const&, unsigned int&) + 682
> 8  swift                    0x000000010f79fc0e clang::ASTReader::ParseLanguageOptions(llvm::SmallVector<unsigned long long, 64u> const&, bool, clang::ASTReaderListener&, bool) + 12110
> 9  swift                    0x000000010f79cbda clang::ASTReader::ReadOptionsBlock(llvm::BitstreamCursor&, unsigned int, bool, clang::ASTReaderListener&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) + 250
> 10 swift                    0x000000010f7a1628 clang::ASTReader::ReadControlBlock(clang::serialization::ModuleFile&, llvm::SmallVectorImpl<clang::ASTReader::ImportedModule>&, clang::serialization::ModuleFile const*, unsigned int) + 1048
> 11 swift                    0x000000010f7a371d clang::ASTReader::ReadASTCore(llvm::StringRef, clang::serialization::ModuleKind, clang::SourceLocation, clang::serialization::ModuleFile*, llvm::SmallVectorImpl<clang::ASTReader::ImportedModule>&, long long, long, clang::ASTFileSignature, unsigned int) + 2253
> 12 swift                    0x000000010f7af1a8 clang::ASTReader::ReadAST(llvm::StringRef, clang::serialization::ModuleKind, clang::SourceLocation, unsigned int, llvm::SmallVectorImpl<clang::ASTReader::ImportedSubmodule>*) + 296
> 13 swift                    0x000000010f51633e clang::CompilerInstance::loadModule(clang::SourceLocation, llvm::ArrayRef<std::__1::pair<clang::IdentifierInfo*, clang::SourceLocation> >, clang::Module::NameVisibilityKind, bool) + 1886
> 14 swift                    0x000000010e30d9a0 swift::ClangImporter::loadModule(swift::SourceLoc, llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >)::$_4::operator()(llvm::ArrayRef<std::__1::pair<clang::IdentifierInfo*, clang::SourceLocation> >, bool) const + 640
> 15 swift                    0x000000010e30d58e swift::ClangImporter::loadModule(swift::SourceLoc, llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >) + 462
> 16 swift                    0x000000010e3df8a3 swift::ASTContext::getModule(llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >) + 115
> 17 swift                    0x000000010e25b13a swift::ModuleFile::getModule(llvm::ArrayRef<swift::Identifier>) + 330
> 18 swift                    0x000000010e28900b swift::ModuleFile::associateWithFileContext(swift::FileUnit*, swift::SourceLoc) + 1579
> 19 swift                    0x000000010e2e0785 swift::SerializedModuleLoader::loadAST(swift::ModuleDecl&, llvm::Optional<swift::SourceLoc>, std::__1::unique_ptr<llvm::MemoryBuffer, std::__1::default_delete<llvm::MemoryBuffer> >, std::__1::unique_ptr<llvm::MemoryBuffer, std::__1::default_delete<llvm::MemoryBuffer> >, bool) + 629
> 20 swift                    0x000000010e2e2e32 swift::SerializedModuleLoader::loadModule(swift::SourceLoc, llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >) + 466
> 21 swift                    0x000000010e3df8a3 swift::ASTContext::getModule(llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >) + 115
> 22 swift                    0x000000010e3df95f swift::ASTContext::getStdlibModule(bool) + 63
> 23 swift                    0x000000010deef7e6 swift::CompilerInstance::performSema() + 454
> 24 swift                    0x000000010d47014c performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 1740
> 25 swift                    0x000000010d46eb70 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3408
> 26 swift                    0x000000010d42fc30 main + 3184
> 27 libdyld.dylib            0x00007fff598d3145 start + 1
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