Mac OS X 10.10.2: Swift Compiler crash when emitting switch on @objc enum in another source file
Originator: | jacob | ||
Number: | rdar://19775284 | Date Originated: | 09-Feb-2015 07:18 PM |
Status: | Open | Resolved: | |
Product: | Developer Tools | Product Version: | Xcode-Beta (6D520o) |
Classification: | Serious Bug | Reproducible: | Always |
Summary: Swift Compiler will crash when compiling a switch statement of an enum declared as @objc in a source file other than the one where switch statement is in. Steps to Reproduce: Build the included test project Expected Results: Compile! Actual Results: Segmentation fault 11. Partial Trace: CompileSwift normal x86_64 /Users/jacob/Programming/test/testSwift12/SwiftClass.swift 0 swift 0x0000000109e4fd38 llvm::sys::PrintStackTrace(__sFILE*) + 40 1 swift 0x0000000109e50214 SignalHandler(int) + 452 2 libsystem_platform.dylib 0x00007fff8ae0cf1a _sigtramp + 26 3 libsystem_platform.dylib 0x0000000000001400 _sigtramp + 1964983552 4 swift 0x00000001097c766d (anonymous namespace)::NoPayloadEnumImplStrategyBase::emitValueSwitch(swift::irgen::IRGenFunction&, swift::irgen::Explosion&, llvm::ArrayRef<std::__1::pair<swift::EnumElementDecl*, llvm::BasicBlock*> >, llvm::BasicBlock*) const + 189 5 swift 0x0000000109825bcb swift::SILVisitor<(anonymous namespace)::IRGenSILFunction, void>::visit(swift::ValueBase*) + 22411 6 swift 0x000000010981f83d swift::irgen::IRGenModule::emitSILFunction(swift::SILFunction*) + 9485 7 swift 0x000000010978c4ab swift::irgen::IRGenModule::emitGlobalTopLevel() + 155 8 swift 0x000000010980a169 performIRGeneration(swift::IRGenOptions&, swift::Module*, swift::SILModule*, llvm::StringRef, llvm::LLVMContext&, swift::SourceFile*, unsigned int) + 2121 9 swift 0x000000010980ab63 swift::performIRGeneration(swift::IRGenOptions&, swift::SourceFile&, swift::SILModule*, llvm::StringRef, llvm::LLVMContext&, unsigned int) + 51 10 swift 0x0000000109748964 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 10196 11 swift 0x0000000109745fe6 main + 1814 12 libdyld.dylib 0x00007fff92bd55c9 start + 1 1. While emitting IR SIL function @_TFC11testSwift1210SwiftClass11isSomethingfS0_FOS_8TestEnumSb for 'isSomething' at /Users/jacob/Programming/test/testSwift12/SwiftClass.swift:12:5
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