<unknown>:0: error: fatal error encountered during compilation; please file a bug report with your project and the crash log
<unknown>:0: note: Unsupported library call operation!
0  swift                    0x0000000106f2b308 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40
1  swift                    0x0000000106f2b936 SignalHandler(int) + 358
2  libsystem_platform.dylib 0x00007fff906c6b3a _sigtramp + 26
3  libsystem_platform.dylib 0x00007fff5b8f6c60 _sigtramp + 3408068928
4  libsystem_c.dylib        0x00007fff9054b420 abort + 129
5  swift                    0x0000000104345e87 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*)::$_0::__invoke(void*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) + 551
6  swift                    0x0000000106ed46d3 llvm::report_fatal_error(llvm::Twine const&, bool) + 291
7  swift                    0x0000000106ed45aa llvm::report_fatal_error(char const*, bool) + 42
8  swift                    0x000000010599cf6a llvm::TargetLowering::makeLibCall(llvm::SelectionDAG&, llvm::RTLIB::Libcall, llvm::EVT, llvm::ArrayRef<llvm::SDValue>, bool, llvm::SDLoc const&, bool, bool) const + 1450
9  swift                    0x00000001058bb9cd llvm::DAGTypeLegalizer::ExpandIntRes_UDIV(llvm::SDNode*, llvm::SDValue&, llvm::SDValue&) + 349
10 swift                    0x00000001058b6458 llvm::DAGTypeLegalizer::ExpandIntegerResult(llvm::SDNode*, unsigned int) + 712
11 swift                    0x00000001058c7fa8 llvm::DAGTypeLegalizer::run() + 1128
12 swift                    0x00000001058cd273 llvm::SelectionDAG::LegalizeTypes() + 1795
13 swift                    0x0000000105987f92 llvm::SelectionDAGISel::CodeGenAndEmitDAG() + 338
14 swift                    0x000000010598736f llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) + 6031
15 swift                    0x000000010598520e llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) + 1438
16 swift                    0x000000010524a144 (anonymous namespace)::X86DAGToDAGISel::runOnMachineFunction(llvm::MachineFunction&) + 20
17 swift                    0x0000000105c1c3b6 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 134
18 swift                    0x0000000106e30e32 llvm::FPPassManager::runOnFunction(llvm::Function&) + 498
19 swift                    0x0000000106e31043 llvm::FPPassManager::runOnModule(llvm::Module&) + 67
20 swift                    0x0000000106e314d8 llvm::legacy::PassManagerImpl::run(llvm::Module&) + 920
21 swift                    0x000000010443df85 swift::performLLVM(swift::IRGenOptions&, swift::DiagnosticEngine*, llvm::sys::SmartMutex<false>*, llvm::GlobalVariable*, llvm::Module*, llvm::TargetMachine*, swift::version::Version const&, llvm::StringRef, swift::UnifiedStatsReporter*) + 2277
22 swift                    0x0000000104345b2f performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 12527
23 swift                    0x0000000104341b5a swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3418
24 swift                    0x000000010430782b main + 2395
25 libdyld.dylib            0x00007fff904b7235 start + 1
26 libdyld.dylib            0x0000000000000029 start + 1874103797
Stack dump:
0.  Program arguments: /Users/dave/src/s/build/Ninja-Release/swift-macosx-x86_64/bin/swift -frontend -c -filelist /var/folders/8v/9769m3ps7ds7h9pg23lzcls00000gn/T/sources-b0b752 -disable-objc-attr-requires-foundation-module -target x86_64-apple-macosx10.9 -enable-objc-interop -sdk /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk -I /Users/dave/src/s/build/Ninja-Release/swift-macosx-x86_64/./lib/swift/macosx/x86_64 -F /Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.13.sdk/../../../Developer/Library/Frameworks -warn-swift3-objc-inference-complete -module-cache-path /Users/dave/src/s/build/Ninja-Release/swift-macosx-x86_64/./module-cache -module-link-name swiftCore -nostdimport -parse-stdlib -resource-dir /Users/dave/src/s/build/Ninja-Release/swift-macosx-x86_64/./lib/swift -swift-version 3 -group-info-path /Users/dave/src/s/swift/stdlib/public/core/GroupInfo.json -sil-serialize-all -Xllvm -sil-inline-generics -Xllvm -sil-partial-specialization -Xcc -D__SWIFT_CURRENT_DYLIB=swiftCore -O -parse-as-library -module-name Swift -o /Users/dave/src/s/build/Ninja-Release/swift-macosx-x86_64/stdlib/public/core/macosx/x86_64/Swift.o 
1.  Running pass 'Function Pass Manager' on module '/Users/dave/src/s/build/Ninja-Release/swift-macosx-x86_64/stdlib/public/core/macosx/x86_64/Swift.o'.
2.  Running pass 'X86 DAG->DAG Instruction Selection' on function '@_T0s7UInt128V17dividingFullWidthAB8quotient_AB9remaindertAB4high_AB3lowt_tF'