exit status: 134 with stderr:
swift: /home/buildnode/jenkins/workspace/oss-swift-4.2-package-linux-ubuntu-16_04/llvm/include/llvm/Support/Casting.h:255: typename cast_retty<X, Y *>::ret_type llvm::cast(Y *) [X = swift::MetatypeType, Y = swift::TypeBase]: Assertion `isa<X>(Val) && "cast<Ty>() argument of incompatible type!"' failed. #0 0x00000000040df5b4 PrintStackTraceSignalHandler(void*) (/usr/bin/swift+0x40df5b4) #1 0x00000000040df8f6 SignalHandler(int) (/usr/bin/swift+0x40df8f6) #2 0x00007fcd0eafc390 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x11390) #3 0x00007fcd0d23b428 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x35428) #4 0x00007fcd0d23d02a abort (/lib/x86_64-linux-gnu/libc.so.6+0x3702a) #5 0x00007fcd0d233bd7 (/lib/x86_64-linux-gnu/libc.so.6+0x2dbd7) #6 0x00007fcd0d233c82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82) #7 0x00000000005fecaf (/usr/bin/swift+0x5fecaf) #8 0x0000000000c98bc7 swift::Lowering::SILGenFunction::emitRValueForStorageLoad(swift::SILLocation, swift::Lowering::ManagedValue, swift::CanType, bool, swift::AbstractStorageDecl*, swift::Lowering::RValue, llvm::ArrayRef<swift::Substitution>, swift::AccessSemantics, swift::Type, swift::Lowering::SGFContext, bool) (/usr/bin/swift+0xc98bc7) #9 0x0000000000cb3a6b (anonymous namespace)::NominalTypeMemberRefRValueEmitter::emit(swift::Lowering::SILGenFunction&) (/usr/bin/swift+0xcb3a6b) #10 0x0000000000caa3f0 swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) (/usr/bin/swift+0xcaa3f0) #11 0x0000000000c9b8a8 swift::Lowering::SILGenFunction::emitRValueAsSingleValue(swift::Expr*, swift::Lowering::SGFContext) (/usr/bin/swift+0xc9b8a8) #12 0x0000000000d283ed (anonymous namespace)::ArgEmitter::emit(swift::Lowering::ArgumentSource&&, swift::Lowering::AbstractionPattern) (/usr/bin/swift+0xd283ed) #13 0x0000000000d28e34 (anonymous namespace)::ArgEmitter::emitExpanded
stderr.txt
https://file.io/F00CkH