import Foundation
Process().launch() 

$ swift crash.swift
2021-11-12 15:45:54.891 swift-frontend[7871:3990977] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: 'need a dictionary'
*** First throw call stack:
(
    0   CoreFoundation                      0x0000000190c6812c __exceptionPreprocess + 240
    1   libobjc.A.dylib                     0x00000001909b9808 objc_exception_throw + 60
    2   Foundation                          0x0000000191b42810 -[NSConcreteTask launchWithDictionary:error:] + 4500
    3   ???                                 0x000000010c004038 0x0 + 4496310328
    4   swift-frontend                      0x0000000102bc959c _ZN4llvm3orc9runAsMainEPFiiPPcENS_8ArrayRefINSt3__112basic_stringIcNS6_11char_traitsIcEENS6_9allocatorIcEEEEEENS_8OptionalINS_9StringRefEEE + 1120
    5   swift-frontend                      0x0000000102b43a80 _ZN5swift14RunImmediatelyERNS_16CompilerInstanceERKNSt3__16vectorINS2_12basic_stringIcNS2_11char_traitsIcEENS2_9allocatorIcEEEENS7_IS9_EEEERKNS_12IRGenOptionsERKNS_10SILOptionsEONS2_10unique_ptrINS_9SILModuleENS2_14default_deleteISL_EEEE + 9808
    6   swift-frontend                      0x0000000102b0a6a4 _ZL29performCompileStepsPostSILGenRN5swift16CompilerInstanceENSt3__110unique_ptrINS_9SILModuleENS2_14default_deleteIS4_EEEEN4llvm12PointerUnionIJPNS_10ModuleDeclEPNS_10SourceFileEEEERKNS_20PrimarySpecificPathsERiPNS_16FrontendObserverE + 2340
    7   swift-frontend                      0x0000000102afdb8c _ZN5swift15performFrontendEN4llvm8ArrayRefIPKcEES3_PvPNS_16FrontendObserverE + 7052
    8   swift-frontend                      0x0000000102a582d4 main + 932
    9   dyld                                0x00000001090990f4 start + 520
)
libc++abi: terminating with uncaught exception of type NSException
Please submit a bug report (https://swift.org/contributing/#reporting-bugs) and include the project and the crash backtrace.
Stack dump:
0.  Program arguments: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-frontend -frontend -interpret crash.swift -Xllvm -aarch64-use-tbi -enable-objc-interop -stack-check -sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX12.0.sdk -color-diagnostics -new-driver-path /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/swift-driver -resource-dir /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift -module-name crash -target-sdk-version 12.0.0
1.  Apple Swift version 5.5.1 (swiftlang-1300.0.31.4 clang-1300.0.29.6)
2.
3.  While running user code "crash.swift"
Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
0  swift-frontend           0x0000000106d74534 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) + 56
1  swift-frontend           0x0000000106d7363c llvm::sys::RunSignalHandlers() + 128
2  swift-frontend           0x0000000106d74b74 SignalHandler(int) + 292
3  libsystem_platform.dylib 0x0000000190b344e4 _sigtramp + 56
4  libsystem_pthread.dylib  0x0000000190b1d15c pthread_kill + 288
5  libsystem_c.dylib        0x0000000190a5a314 abort + 164
6  libc++abi.dylib          0x0000000190ad9b50 __cxxabiv1::__aligned_malloc_with_fallback(unsigned long) + 0
7  libc++abi.dylib          0x0000000190acaf64 demangling_unexpected_handler() + 0
8  libobjc.A.dylib          0x00000001909c21a0 _objc_terminate() + 144
9  libc++abi.dylib          0x0000000190ad8ee4 std::__terminate(void (*)()) + 20
10 libc++abi.dylib          0x0000000190adbc5c __cxa_get_exception_ptr + 0
11 libc++abi.dylib          0x0000000190adbc08 __cxxabiv1::exception_cleanup_func(_Unwind_Reason_Code, _Unwind_Exception*) + 0
12 libobjc.A.dylib          0x00000001909b992c objc_exception_throw + 352
13 Foundation               0x0000000191b42810 -[NSConcreteTask launchWithDictionary:error:] + 4500
14 Foundation               0x000000010c004038 -[NSConcreteTask launchWithDictionary:error:] + 18446744071466396092
15 swift-frontend           0x0000000102bc959c llvm::orc::runAsMain(int (*)(int, char**), llvm::ArrayRef<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >, llvm::Optional<llvm::StringRef>) + 1120
16 swift-frontend           0x0000000102b43a80 swift::RunImmediately(swift::CompilerInstance&, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > > > const&, swift::IRGenOptions const&, swift::SILOptions const&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule> >&&) + 9808
17 swift-frontend           0x0000000102b0a6a4 performCompileStepsPostSILGen(swift::CompilerInstance&, std::__1::unique_ptr<swift::SILModule, std::__1::default_delete<swift::SILModule> >, llvm::PointerUnion<swift::ModuleDecl*, swift::SourceFile*>, swift::PrimarySpecificPaths const&, int&, swift::FrontendObserver*) + 2340
18 swift-frontend           0x0000000102afdb8c swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 7052
19 swift-frontend           0x0000000102a582d4 main + 932
20 dyld                     0x00000001090990f4 start + 520
[1]    7871 abort      swift crash.swift