warning: 'swift run file.swift' command to interpret swift files is deprecated; use 'swift file.swift' instead
Global is external, but doesn't have external or weak linkage!
i8* ()* @"$s8Contents10myTestFuncyyF0B5ConstL_Sivau"
<unknown>:0: error: fatal error encountered during compilation; please file a bug report with your project and the crash log
<unknown>:0: note: Broken module found, compilation aborted!
Stack dump:
0. Program arguments: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift -frontend -interpret Contents.swift -enable-objc-interop -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -color-diagnostics -module-name Contents 
0  swift                    0x000000010cd45ee3 PrintStackTraceSignalHandler(void*) + 51
1  swift                    0x000000010cd456bc SignalHandler(int) + 348
2  libsystem_platform.dylib 0x00007fff5f3cbb5d _sigtramp + 29
3  libsystem_platform.dylib 0x000000011910bb76 _sigtramp + 3117678646
4  libsystem_c.dylib        0x00007fff5f28b6a6 abort + 127
5  swift                    0x0000000108b9dcf8 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*)::$_1::__invoke(void*, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, bool) + 936
6  swift                    0x000000010ccf6826 llvm::report_fatal_error(llvm::Twine const&, bool) + 278
7  swift                    0x000000010ccf670b llvm::report_fatal_error(char const*, bool) + 43
8  swift                    0x000000010ccbcbec (anonymous namespace)::VerifierLegacyPass::doFinalization(llvm::Module&) + 204
9  swift                    0x000000010cc60863 llvm::FPPassManager::doFinalization(llvm::Module&) + 51
10 swift                    0x000000010cc68252 llvm::legacy::FunctionPassManagerImpl::doFinalization(llvm::Module&) + 82
11 swift                    0x0000000108d83425 swift::performLLVM(swift::IRGenOptions&, swift::DiagnosticEngine*, llvm::sys::SmartMutex<false>*, llvm::GlobalVariable*, llvm::Module*, llvm::TargetMachine*, swift::version::Version const&, llvm::StringRef, swift::UnifiedStatsReporter*) + 4661
12 swift                    0x0000000108d887ca performIRGeneration(swift::IRGenOptions&, swift::ModuleDecl*, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule> >, llvm::StringRef, swift::PrimarySpecificPaths const&, llvm::LLVMContext&, swift::SourceFile*, llvm::GlobalVariable**) + 2026
13 swift                    0x0000000108d85c6f swift::performIRGeneration(swift::IRGenOptions&, swift::ModuleDecl*, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule> >, llvm::StringRef, swift::PrimarySpecificPaths const&, llvm::LLVMContext&, llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, llvm::GlobalVariable**) + 735
14 swift                    0x0000000108baa746 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*, swift::UnifiedStatsReporter*) + 50502
15 swift                    0x0000000108b9a92e swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 6862
16 swift                    0x0000000108b389ce main + 1246
17 libdyld.dylib            0x00007fff5f1e63d5 start + 1
Abort trap: 6