OS: 10.12.6 (16G29) Steps: 1) Checkout swift and build master branch git clone https://github.com/apple/swift.git ./swift/utils/update-checkout --clone
2) Edit swift/utils/build-presets.ini to remove tests [preset: buildbot_osx_package] mixin-preset= mixin_osx_package_base mixin_lightweight_assertions ... 3) Execute ./swift/utils/build-toolchain local.swift 4) Execute n sample swift package in Xcode: Error: Invalid bitcast %195 = bitcast i64 %194 to %objc_object*, !dbg !431 Invalid bitcast %256 = bitcast i64 %255 to %objc_object*, !dbg !443 <unknown>:0: error: fatal error encountered during compilation; please file a bug report with your project and the crash log <unknown>:0: note: Broken function found, compilation aborted! 0 swiftc 0x000000010955ebc8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 40 1 swiftc 0x000000010955def6 llvm::sys::RunSignalHandlers() + 86 2 swiftc 0x000000010955f12e SignalHandler(int) + 270 3 libsystem_platform.dylib 0x00007fffbb08cb3a _sigtramp + 26 4 libsystem_platform.dylib 0x000070000b4115a0 _sigtramp + 1345866368 5 libsystem_c.dylib 0x00007fffbaf11420 abort + 129 6 swiftc 0x00000001067985c7 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 7 swiftc 0x0000000109506cac llvm::report_fatal_error(llvm::Twine const&, bool) + 252 8 swiftc 0x0000000109506baa llvm::report_fatal_error(char const*, bool) + 42 9 swiftc 0x00000001094c0d06 (anonymous namespace):: VerifierLegacyPass::runOnFunction(llvm::Function&) + 54 10 swiftc 0x0000000109466b22 llvm::FPPassManager::runOnFunction(llvm::Function&) + 498 11 swiftc 0x00000001094663b9 llvm::legacy:: FunctionPassManagerImpl::run(llvm::Function&) + 169 12 swiftc 0x000000010946627a llvm::legacy:: FunctionPassManager::run(llvm::Function&) + 362 13 swiftc 0x0000000106893e02 swift:: performLLVMOptimizations(swift::IRGenOptions&, llvm::Module*, llvm::TargetMachine*) + 1410 14 swiftc 0x0000000106894736 swift::performLLVM(swift::IRGenOptions&, swift::DiagnosticEngine*, llvm::sys::SmartMutex<false>*, llvm::GlobalVariable*, llvm::Module*, llvm::TargetMachine*, swift::version::Version const&, llvm::StringRef, swift::UnifiedStatsReporter*) + 1574 15 swiftc 0x00000001068993c9 ThreadEntryPoint(swift::irgen::IRGenerator*, llvm::sys::SmartMutex<false>*, int) + 249 16 swiftc 0x0000000106899fff void* std::__1::__thread_proxy<std::__1::tuple<std::__1::unique_ptr<std::__1::__thread_struct, std::__1::default_delete<std::__1::__thread_struct> >, void (*)(swift::irgen::IRGenerator*, llvm::sys::SmartMutex<false>*, int), swift::irgen::IRGenerator*, llvm::sys::SmartMutex<false>*, int> >(void*) + 47 17 libsystem_pthread.dylib 0x00007fffbb09693b _pthread_body + 180 18 libsystem_pthread.dylib 0x00007fffbb096887 _pthread_body + 0 19 libsystem_pthread.dylib 0x00007fffbb09608d thread_start + 13 Stack dump: 0. Running pass 'Module Verifier' on function '@_FUNCTION_NAME_' Does anyone know how to turn off module verifier or fix the above error (I do not see the "-disable-llvm-verify" option with swift/swiftc command line)?
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