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 0x000000000410b054 PrintStackTraceSignalHandler(void*) (/usr/bin/swift+0x410b054) #1 0x0000000004108ee2 llvm::sys::RunSignalHandlers() (/usr/bin/swift+0x4108ee2) #2 0x000000000410b202 SignalHandler(int) (/usr/bin/swift+0x410b202) #3 0x00007f045adde390 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x11390) #4 0x00007f045951d428 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x35428) #5 0x00007f045951f02a abort (/lib/x86_64-linux-gnu/libc.so.6+0x3702a) #6 0x00007f0459515bd7 (/lib/x86_64-linux-gnu/libc.so.6+0x2dbd7) #7 0x00007f0459515c82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82) #8 0x0000000000c7225a swift::Lowering::SILGenBuilder::createMetatype(swift::SILLocation, swift::SILType) (/usr/bin/swift+0xc7225a) #9 0x0000000000cafec9 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+0xcafec9) #10 0x0000000000ca2c28 swift::Lowering::SILGenFunction::emitRValueAsSingleValue(swift::Expr*, swift::Lowering::SGFContext) (/usr/bin/swift+0xca2c28) #11 0x0000000000cbdfdf swift::Lowering::ManagedValue llvm::function_ref<swift::Lowering::ManagedValue (swift::Lowering::SGFContext)>::callback_fn<(anonymous namespace)::RValueEmitter::visitErasureExpr(swift::ErasureExpr*, swift::Lowering::SGFContext)::$_8>(long, swift::Lowering::SGFContext) (/usr/bin/swift+0xcbdfdf) #12 0x0000000000c8a59a std::_Function_handler<void (swift::SILValue), swift::Lowering::SILGenFunction::emitExistentialErasure(swift::SILLocation, swift::CanType, swift::Lowering::TypeLowering const&, swift::Lowering::TypeLowering const&,
stderr.txt
https://file.io/q3szV0