exit status: 134 with stderr:
swift: /home/buildnode/jenkins/workspace/oss-swift-4.1-package-linux-ubuntu-16_04/swift/lib/SILGen/SILGen.cpp:638: void swift::Lowering::SILGenModule::preEmitFunction(swift::SILDeclRef, llvm::PointerUnion<ValueDecl *, Expr *>, swift::SILFunction *, swift::SILLocation): Assertion `F->empty() && "already emitted function?!"' failed. #0 0x0000000003f25074 PrintStackTraceSignalHandler(void*) (/usr/bin/swift+0x3f25074) #1 0x0000000003f253b6 SignalHandler(int) (/usr/bin/swift+0x3f253b6) #2 0x00007f19f566b390 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x11390) #3 0x00007f19f3daa428 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x35428) #4 0x00007f19f3dac02a abort (/lib/x86_64-linux-gnu/libc.so.6+0x3702a) #5 0x00007f19f3da2bd7 (/lib/x86_64-linux-gnu/libc.so.6+0x2dbd7) #6 0x00007f19f3da2c82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82) #7 0x0000000000c2be2f swift::Lowering::SILGenModule::preEmitFunction(swift::SILDeclRef, llvm::PointerUnion<swift::ValueDecl*, swift::Expr*>, swift::SILFunction*, swift::SILLocation) (/usr/bin/swift+0xc2be2f) #8 0x0000000000c3336f swift::Lowering::SILGenModule::emitFunction(swift::FuncDecl*)::$_1::operator()(swift::SILFunction*) const (/usr/bin/swift+0xc3336f) #9 0x0000000000c2b975 swift::Lowering::SILGenModule::emitFunction(swift::FuncDecl*) (/usr/bin/swift+0xc2b975) #10 0x0000000000ccae75 (anonymous namespace)::SILGenType::emitType() (/usr/bin/swift+0xccae75) #11 0x0000000000ccab98 swift::Lowering::SILGenModule::visitNominalTypeDecl(swift::NominalTypeDecl*) (/usr/bin/swift+0xccab98) #12 0x0000000000c30e6b swift::Lowering::SILGenModule::emitSourceFile(swift::SourceFile*, unsigned int) (/usr/bin/swift+0xc30e6b) #13 0x0000000000c31b36 swift::SILModule::constructSIL(swift::ModuleDecl*, swift::SILOptions&, swift::FileUnit*, llvm::Optional<unsigned int>, bool) (/usr/bin/swift+0xc31b36) #14 0x0000000000c3210d swift::performSILGeneration(swift::ModuleDecl*, swift::SILOptions&, bool) (/usr/bin/swift+0xc3210d) #15 0x
stderr.txt
https://file.io/Y6pmyC