LLDB always crashes whenever we try to make a print using po on breakpoint. What is the cause of the issue and how can i fix this?
Process: LLDBFrontend [21248]Path: /Applications/AppCode.app/Contents/bin/lldb/mac/LLDBFrontendIdentifier: LLDBFrontendVersion: 0Code Type: X86-64 (Native)Parent Process: appcode [491]Responsible: appcode [491]User ID: 501Date/Time: 2021-03-15 10:59:10.153 +0800OS Version: macOS 11.2 (20D64)Report Version: 12Bridge OS Version: 5.2 (18P4346)Anonymous UUID: 83A30BF9-30DF-D66C-C4BC-B955F9BFB7A3Sleep/Wake UUID: DA352E46-1E4A-44A4-A78C-92865BC2BFA2Time Awake Since Boot: 22000 secondsTime Since Wake: 2600 secondsSystem Integrity Protection: enabledCrashed Thread: 4Exception Type: EXC_BAD_ACCESS (SIGSEGV)Exception Codes: KERN_INVALID_ADDRESS at 0x00000000000001d0Exception Note: EXC_CORPSE_NOTIFYTermination Signal: Segmentation fault: 11Termination Reason: Namespace SIGNAL, Code 0xbTerminating Process: exc handler [21248]VM Regions Near 0x1d0:--> __TEXT 10a416000-10a55a000 [ 1296K] r-x/r-x SM=COW /Applications/AppCode.app/Contents/bin/lldb/mac/LLDBFrontendThread 0:: Dispatch queue: com.apple.main-thread0 libsystem_kernel.dylib 0x00007fff203b25ce __ulock_wait + 101 libsystem_pthread.dylib 0x00007fff203e6f98 _pthread_join + 3592 libc++.1.dylib 0x00007fff20383806 std::__1::thread::join() + 243 LLDBFrontend 0x000000010a495722 0x10a416000 + 5220184 LLDBFrontend 0x000000010a492c22 0x10a416000 + 5110105 libdyld.dylib 0x00007fff20400621 start + 1Thread 1:0 libsystem_kernel.dylib 0x00007fff203b38e2 __psynch_cvwait + 101 libsystem_pthread.dylib 0x00007fff203e5e6f _pthread_cond_wait + 12542 libc++.1.dylib 0x00007fff2034cd83 std::__1::condition_variable::__do_timed_wait(std::__1::unique_lock<std::__1::mutex>&, std::__1::chrono::time_point<std::__1::chrono::system_clock, std::__1::chrono::duration<long long, std::__1::ratio<1l, 1000000000l> > >) + 933 com.apple.LLDB.framework 0x000000010aa31aeb lldb_private::Listener::GetEventInternal(lldb_private::Timeout<std::__1::ratio<1l, 1000000l> > const&, lldb_private::Broadcaster*, lldb_private::ConstString const*, unsigned int, unsigned int, std::__1::shared_ptr<lldb_private::Event>&) + 2994 com.apple.LLDB.framework 0x000000010aa31d1e lldb_private::Listener::GetEvent(std::__1::shared_ptr<lldb_private::Event>&, lldb_private::Timeout<std::__1::ratio<1l, 1000000l> > const&) + 305 com.apple.LLDB.framework 0x000000010a69f8d7 lldb::SBListener::WaitForEvent(unsigned int, lldb::SBEvent&) + 4876 LLDBFrontend 0x000000010a4a157e 0x10a416000 + 5707507 LLDBFrontend 0x000000010a493ab4 0x10a416000 + 5147408 LLDBFrontend 0x000000010a493589 0x10a416000 + 5134179 libsystem_pthread.dylib 0x00007fff203e5950 _pthread_start + 22410 libsystem_pthread.dylib 0x00007fff203e147b thread_start + 15Thread 2:0 libsystem_kernel.dylib 0x00007fff203b38e2 __psynch_cvwait + 101 libsystem_pthread.dylib 0x00007fff203e5e6f _pthread_cond_wait + 12542 libc++.1.dylib 0x00007fff2034ccf2 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 183 LLDBFrontend 0x000000010a493964 0x10a416000 + 5144044 LLDBFrontend 0x000000010a493589 0x10a416000 + 5134175 libsystem_pthread.dylib 0x00007fff203e5950 _pthread_start + 2246 libsystem_pthread.dylib 0x00007fff203e147b thread_start + 15Thread 3:0 libsystem_kernel.dylib 0x00007fff203b38e2 __psynch_cvwait + 101 libsystem_pthread.dylib 0x00007fff203e5e6f _pthread_cond_wait + 12542 libc++.1.dylib 0x00007fff2034ccf2 std::__1::condition_variable::wait(std::__1::unique_lock<std::__1::mutex>&) + 183 LLDBFrontend 0x000000010a493964 0x10a416000 + 5144044 LLDBFrontend 0x000000010a493589 0x10a416000 + 5134175 libsystem_pthread.dylib 0x00007fff203e5950 _pthread_start + 2246 libsystem_pthread.dylib 0x00007fff203e147b thread_start + 15Thread 4 Crashed:0 com.apple.LLDB.framework 0x000000010aa48754 lldb_private::Status::Fail() const + 41 com.apple.LLDB.framework 0x000000010a9e7c3f lldb_private::Target::GetScratchSwiftASTContext(lldb_private::Status&, lldb_private::ExecutionContextScope&, bool) + 5272 com.apple.LLDB.framework 0x000000010aaee0a9 lldb_private::SwiftUserExpression::ScanContext(lldb_private::ExecutionContext&, lldb_private::Status&) + 5853 com.apple.LLDB.framework 0x000000010aaee60a lldb_private::SwiftUserExpression::Parse(lldb_private::DiagnosticManager&, lldb_private::ExecutionContext&, lldb_private::ExecutionPolicy, bool, bool) + 2184 com.apple.LLDB.framework 0x000000010a890622 lldb_private::UserExpression::Evaluate(lldb_private::ExecutionContext&, lldb_private::EvaluateExpressionOptions const&, llvm::StringRef, llvm::StringRef, lldb_private::SharingPtr<lldb_private::ValueObject>&, lldb_private::Status&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, std::__1::shared_ptr<lldb_private::Module>*, lldb_private::ValueObject*) + 30905 com.apple.LLDB.framework 0x000000010a9e90de lldb_private::Target::EvaluateExpression(llvm::StringRef, lldb_private::ExecutionContextScope*, lldb_private::SharingPtr<lldb_private::ValueObject>&, lldb_private::EvaluateExpressionOptions const&, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >*, lldb_private::ValueObject*) + 5906 com.apple.LLDB.framework 0x000000010ae67125 lldb_private::CommandObjectExpression::EvaluateExpression(llvm::StringRef, lldb_private::Stream&, lldb_private::Stream&, lldb_private::CommandReturnObject&) + 5337 com.apple.LLDB.framework 0x000000010ae68096 lldb_private::CommandObjectExpression::DoExecute(llvm::StringRef, lldb_private::CommandReturnObject&) + 15588 com.apple.LLDB.framework 0x000000010a8cb582 lldb_private::CommandObjectRaw::Execute(char const*, lldb_private::CommandReturnObject&) + 4189 com.apple.LLDB.framework 0x000000010a8c2da7 lldb_private::CommandInterpreter::HandleCommand(char const*, lldb_private::LazyBool, lldb_private::CommandReturnObject&, lldb_private::ExecutionContext*, bool, bool) + 251910 com.apple.LLDB.framework 0x000000010a60b04b lldb::SBCommandInterpreter::HandleCommand(char const*, lldb::SBExecutionContext&, lldb::SBCommandReturnObject&, bool) + 37911 LLDBFrontend 0x000000010a49cbce 0x10a416000 + 55188612 LLDBFrontend 0x000000010a4a4e5a 0x10a416000 + 58530613 LLDBFrontend 0x000000010a493ab4 0x10a416000 + 51474014 LLDBFrontend 0x000000010a493589 0x10a416000 + 51341715 libsystem_pthread.dylib 0x00007fff203e5950 _pthread_start + 22416 libsystem_pthread.dylib 0x00007fff203e147b thread_start + 15Thread 5:0 libsystem_kernel.dylib 0x00007fff203b4416 __recvfrom + 101 LLDBFrontend 0x000000010a4952ee 0x10a416000 + 5209422 LLDBFrontend 0x000000010a495788 0x10a416000 + 5221203 LLDBFrontend 0x000000010a4958fe 0x10a416000 + 5224944 libsystem_pthread.dylib 0x00007fff203e5950 _pthread_start + 2245 libsystem_pthread.dylib 0x00007fff203e147b thread_start + 15Thread 6:0 libsystem_kernel.dylib 0x00007fff203b0e7e mach_msg_trap + 101 libsystem_kernel.dylib 0x00007fff203b11f0 mach_msg + 602 com.apple.CoreFoundation 0x00007fff204ddbf7 __CFRunLoopServiceMachPort + 3163 com.apple.CoreFoundation 0x00007fff204dc2ca __CFRunLoopRun + 13154 com.apple.CoreFoundation 0x00007fff204db6ce CFRunLoopRunSpecific + 5635 com.apple.CoreFoundation 0x00007fff20561cc9 CFRunLoopRun + 406 com.apple.DebugSymbols 0x00007fff31c08a58 SpotlightQueryThread(void*) + 4727 libsystem_pthread.dylib 0x00007fff203e5950 _pthread_start + 2248 libsystem_pthread.dylib 0x00007fff203e147b thread_start + 15Thread 7:0 libsystem_pthread.dylib 0x00007fff203e1458 start_wqthread + 0External Modification Summary: Calls made by other processes targeting this process: task_for_pid: 0 thread_create: 0 thread_set_state: 0 Calls made by this process: task_for_pid: 0 thread_create: 0 thread_set_state: 0 Calls made by all processes on this machine: task_for_pid: 19174 thread_create: 0 thread_set_state: 0VM Region Summary:ReadOnly portion of Libraries: Total=678.4M resident=0K(0%) swapped_out_or_unallocated=678.4M(100%)Writable regions: Total=3.7G written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=3.7G(100%) VIRTUAL REGION REGION TYPE SIZE COUNT (non-coalesced) =========== ======= ======= Activity Tracing 256K 1 Dispatch continuations 96.0M 1 Kernel Alloc Once 8K 1 MALLOC 3.5G 5837 MALLOC guard page 16K 4 MALLOC_LARGE (reserved) 304K 2 reserved VM address space (unallocated)STACK GUARD 56.0M 10 Stack 50.1M 10 VM_ALLOCATE 10.3M 45 VM_ALLOCATE (reserved) 158.8M 492 reserved VM address space (unallocated)__DATA 9338K 168 __DATA_CONST 6365K 98 __DATA_DIRTY 297K 60 __LINKEDIT 510.1M 32 __OBJC_RO 60.6M 1 __OBJC_RW 2449K 2 __TEXT 168.5M 166 __UNICODE 588K 1 mapped file 10.4G 7319 shared memory 40K 4 =========== ======= ======= TOTAL 15.1G 14254 TOTAL, minus reserved VM space 14.9G 14254 
