Ios Xcode。无法在断点处停止

我在调试iOS应用程序时遇到问题。当应用程序到达断点时，它会在那里停止一秒钟，然后调试器崩溃。（应用程序不会崩溃，只有调试器。这种行为类似于设备在调试模式下从电缆断开连接）

从Xcode控制台打印：

来自调试器的消息：LLDB RPC服务器已崩溃。坠机日志 位于~/Library/Logs/DiagnosticReports中，并具有前缀 “lldb rpc服务器”。请提交一个bug并附加最近的崩溃 日志

我查看了崩溃日志，下面是文件的一部分：

Process:               lldb-rpc-server [21320]
Path:                  /Applications/Xcode.app/Contents/SharedFrameworks/LLDBRPC.framework/Versions/A/Resources/lldb-rpc-server
Identifier:            lldb-rpc-server
Version:               2
Code Type:             X86-64 (Native)
Parent Process:        Xcode [15500]
Responsible:           lldb-rpc-server [21320]
User ID:               502

Date/Time:             2018-04-12 17:20:19.901 +0300
OS Version:            Mac OS X 10.13.4 (17E199)
Report Version:        12
Anonymous UUID:        BCD9F4BE-3ECF-2DD0-68EC-671CF1821432


Time Awake Since Boot: 24000 seconds

System Integrity Protection: enabled

Crashed Thread:        8  RPC packet thread for client tid 00055ab9 (350905)

Exception Type:        EXC_CRASH (SIGABRT)
Exception Codes:       0x0000000000000000, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Application Specific Information:
Stack dump:
0.  error finding type for _T07Staging11AppDelegateCD
abort() called

Thread 8 Crashed:: RPC packet thread for client tid 00055ab9 (350905)
0   libsystem_kernel.dylib          0x00007fff70cdcb6e __pthread_kill + 10
1   libsystem_pthread.dylib         0x00007fff70ea7080 pthread_kill + 333
2   libsystem_c.dylib               0x00007fff70c3824d __abort + 144
3   libsystem_c.dylib               0x00007fff70c381bd abort + 142
4   com.apple.LLDB.framework        0x000000011132acdd swift::ModuleFile::fatal(llvm::Error) + 1213
5   com.apple.LLDB.framework        0x0000000111332711 swift::ModuleFile::getDeclChecked(llvm::PointerEmbeddedInt<unsigned int, 31>, llvm::Optional<swift::DeclContext*>) + 27649
6   com.apple.LLDB.framework        0x0000000111359e39 swift::ModuleFile::lookupValue(swift::DeclName, llvm::SmallVectorImpl<swift::ValueDecl*>&) + 841
7   com.apple.LLDB.framework        0x0000000110b43f9a swift::ModuleDecl::lookupValue(llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::DeclName, swift::NLKind, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 90
8   com.apple.LLDB.framework        0x0000000110b4e8aa void lookupInModule<llvm::SmallSet<swift::CanType, 4u, (anonymous namespace)::SortCanType>, swift::namelookup::lookupInModule(swift::ModuleDecl*, llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::DeclName, llvm::SmallVectorImpl<swift::ValueDecl*>&, swift::NLKind, swift::namelookup::ResolutionKind, swift::LazyResolver*, swift::DeclContext const*, llvm::ArrayRef<std::__1::pair<llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*> >)::$_0>(swift::ModuleDecl*, llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, llvm::SmallVectorImpl<swift::ValueDecl*>&, swift::namelookup::ResolutionKind, bool, swift::LazyResolver*, llvm::SmallDenseMap<std::__1::pair<llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*>, llvm::TinyPtrVector<swift::ValueDecl*>, 32u, llvm::DenseMapInfo<std::__1::pair<llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*> >, llvm::detail::DenseMapPair<std::__1::pair<llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*>, llvm::TinyPtrVector<swift::ValueDecl*> > >&, swift::DeclContext const*, bool, llvm::ArrayRef<std::__1::pair<llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*> >, swift::namelookup::lookupInModule(swift::ModuleDecl*, llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::DeclName, llvm::SmallVectorImpl<swift::ValueDecl*>&, swift::NLKind, swift::namelookup::ResolutionKind, swift::LazyResolver*, swift::DeclContext const*, llvm::ArrayRef<std::__1::pair<llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*> >)::$_0) + 346
9   com.apple.LLDB.framework        0x0000000110b4e71e swift::namelookup::lookupInModule(swift::ModuleDecl*, llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::DeclName, llvm::SmallVectorImpl<swift::ValueDecl*>&, swift::NLKind, swift::namelookup::ResolutionKind, swift::LazyResolver*, swift::DeclContext const*, llvm::ArrayRef<std::__1::pair<llvm::ArrayRef<std::__1::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*> >) + 1278
10  com.apple.LLDB.framework        0x0000000110b550e1 swift::DeclContext::lookupQualified(swift::Type, swift::DeclName, swift::NLOptions, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 1089
11  com.apple.LLDB.framework        0x0000000110c56db2 DeclsLookupSource::lookupQualified(swift::Identifier, swift::NLOptions, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) + 226
12  com.apple.LLDB.framework        0x0000000110c5693d FindFirstNamedDeclWithKind(swift::ASTContext*, llvm::StringRef const&, swift::DeclKind, VisitNodeResult&, llvm::Optional<std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > >) + 301
13  com.apple.LLDB.framework        0x0000000110c5608c VisitNodeIdentifier(swift::ASTContext*, swift::Demangle::Node*, swift::Demangle::Node*, VisitNodeResult&) + 124
14  com.apple.LLDB.framework        0x0000000110c4ebf7 VisitNode(swift::ASTContext*, swift::Demangle::Node*, VisitNodeResult&) + 199
15  com.apple.LLDB.framework        0x0000000110c4eba0 VisitNode(swift::ASTContext*, swift::Demangle::Node*, VisitNodeResult&) + 112
16  com.apple.LLDB.framework        0x0000000110c4eba0 VisitNode(swift::ASTContext*, swift::Demangle::Node*, VisitNodeResult&) + 112
17  com.apple.LLDB.framework        0x0000000110c4eba0 VisitNode(swift::ASTContext*, swift::Demangle::Node*, VisitNodeResult&) + 112
18  com.apple.LLDB.framework        0x0000000110c5475c swift::ide::getTypeFromMangledSymbolname(swift::ASTContext&, llvm::StringRef, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >&) + 204
19  com.apple.LLDB.framework        0x000000011172ceda lldb_private::SwiftASTContext::GetTypeFromMangledTypename(char const*, lldb_private::Error&) + 532
20  com.apple.LLDB.framework        0x00000001114a5101 DWARFASTParserSwift::ParseTypeFromDWARF(lldb_private::SymbolContext const&, DWARFDIE const&, lldb_private::Log*, bool*) + 887
21  com.apple.LLDB.framework        0x00000001115c2623 SymbolFileDWARF::ParseType(lldb_private::SymbolContext const&, DWARFDIE const&, bool*) + 171
22  com.apple.LLDB.framework        0x00000001115bc33f SymbolFileDWARF::GetTypeForDIE(DWARFDIE const&, bool) + 369
23  com.apple.LLDB.framework        0x00000001115bbc6e SymbolFileDWARF::ResolveType(DWARFDIE const&, bool, bool) + 68
24  com.apple.LLDB.framework        0x00000001115bbbed SymbolFileDWARF::ResolveTypeUID(unsigned long long) + 45
25  com.apple.LLDB.framework        0x00000001116390d7 lldb_private::SymbolFileType::GetType() + 51
26  com.apple.LLDB.framework        0x000000011147be4f lldb_private::ValueObjectVariable::GetCompilerTypeImpl() + 21
27  com.apple.LLDB.framework        0x000000011146cf67 lldb_private::ValueObject::MaybeCalculateCompleteType() + 39
28  com.apple.LLDB.framework        0x00000001114712dd lldb_private::ValueObject::GetObjectRuntimeLanguage() + 33
29  com.apple.LLDB.framework        0x000000011147167b lldb_private::ValueObject::IsRuntimeSupportValue() + 73
30  com.apple.LLDB.framework        0x000000010eb3faec lldb::SBFrame::GetVariables(lldb::SBVariablesOptions const&) + 624
31  com.apple.LLDB.framework        0x000000010eb3fda4 lldb::SBFrame::GetVariables(bool, bool, bool, bool, lldb::DynamicValueType) + 208
32  lldb-rpc-server                 0x000000010e8b0aef rpc_server::_ZN4lldb7SBFrame12GetVariablesEbbbbNS_16DynamicValueTypeE::HandleRPCCall(rpc_common::Connection&, rpc_common::RPCStream&, rpc_common::RPCStream&) + 219
33  lldb-rpc-server                 0x000000010e87662a rpc_common::Connection::PrivateHandleRPCPacket(rpc_common::RPCPacket&, rpc_common::RPCPacket&, bool&) + 506
34  lldb-rpc-server                 0x000000010e87730c rpc_common::Connection::HandleRPCPacket(rpc_common::RPCPacket&) + 62
35  lldb-rpc-server                 0x000000010e87a862 Packets::ProcessPackets() + 254
36  lldb-rpc-server                 0x000000010e87a68b Packets::ReadThread() + 187
37  lldb-rpc-server                 0x000000010e87a5cb Packets::RunReadThread(void*) + 9
38  libsystem_pthread.dylib         0x00007fff70ea4661 _pthread_body + 340
39  libsystem_pthread.dylib         0x00007fff70ea450d _pthread_start + 377
40  libsystem_pthread.dylib         0x00007fff70ea3bf9 thread_start + 13

进程：lldb-rpc服务器[21320]
路径：/Applications/Xcode.app/Contents/SharedFrameworks/LLDBRPC.framework/Versions/A/Resources/lldb-rpc-server
标识符：lldb rpc服务器
版本：2
代码类型：X86-64（本机）
父进程：Xcode[15500]
负责人：lldb rpc服务器[21320]
用户ID:502
日期/时间：2018-04-12 17:20:19.901+0300
操作系统版本：Mac OS X 10.13.4（17E199）
报告版本：12
匿名UUID:BCD9F4BE-3ECF-2DD0-68EC-671CF1821432
启动后的唤醒时间：24000秒
系统完整性保护：已启用
崩溃线程：客户端tid 00055ab9（350905）的8个RPC数据包线程
异常类型：EXC_崩溃（SIGABRT）
异常代码：0x0000000000，0x0000000000000000
例外说明：EXC_尸体通知
特定于应用程序的信息：
堆栈转储：
0查找_T07Staging11AppDelegateCD的类型时出错
调用了abort（）
线程8崩溃：：客户端tid 00055ab9（350905）的RPC数据包线程
0 libsystem_kernel.dylib 0x00007fff70cdcb6e_uuupthread_kill+10
1 libsystem_pthread.dylib 0x00007fff70ea7080 pthread_kill+333
2 libsystem\u c.dylib 0x00007fff70c3824d\u中止+144
3 libsystem_c.dylib 0x00007fff70c381bd中止+142
4 com.apple.LLDB.framework 0x000000011132 CDD swift:：ModuleFile:：fatal（llvm:：Error）+1213
5 com.apple.LLDB.framework 0x0000000111332711 swift:：ModuleFile:：getDeclChecked（llvm:：PointerEmbeddedInt，llvm:：Optional）+27649
6 com.apple.LLDB.framework 0x0000000111359e39 swift:：ModuleFile:：lookupValue（swift:：DeclName，llvm:：SmallVectorImpl&）+841
7.com.apple.LLDB.framework 0x0000000110b43f9a swift:：ModuleDel:：lookupValue（llvm:：ArrayRef，swift:：DeclName，swift:：NLKind，llvm:：SmallVectorImpl&）常量+90
8 com.apple.LLDB.framework 0x0000000110b4e8aa无效查找模块（swift:：ModuleDecl*，llvm:：ArrayRef，swift:：DeclName，llvm:：SmallVectorImpl&，swift:：NLKind，swift:：namelookup:：ResolutionKind，swift:：LazyResolver*，swift:：DeclContext const*，llvm:：ArrayRef）：：$\u 0）+346
9.com.apple.LLDB.framework 0x0000000110b4e71e swift:：namelookup:：lookupInModule（swift:：ModuleDecl*，llvm:：ArrayRef，swift:：DeclName，llvm:：SmallVectorImpl&，swift:：NLKind，swift:：namelookup:：ResolutionKind，swift:：LazyResolver*，swift:：DeclContext const*，llvm:：ArrayRef）+1278
10 com.apple.LLDB.framework 0x0000000110b550e1 swift:：DeclContext:：lookupQualified（swift:：Type，swift:：DeclName，swift:：NLOptions，swift:：lazyrolver*，llvm:：SmallVectorImpl&）const+1089
11 com.apple.LLDB.framework 0x000000011056DB2 DeclsLookupSource:：lookupQualified（swift:：Identifier，swift:：NLOptions，swift:：LazyResolver*，llvm:：SmallVectorImpl&）+226
12 com.apple.LLDB.framework 0x00000001105693D FindFirstNamedDelWithKind（swift:：ASTContext*，llvm:：StringRef const&，swift:：DeclKind，VisitNodeResult&，llvm:：可选）+301
13 com.apple.LLDB.framework 0x00000001105608c VisitNodeIdentifier（swift:：ASTContext*，swift:：Demangle:：Node*，swift:：Demangle:：Node*，VisitNodeResult&）+124
14 com.apple.LLDB.framework 0x0000000110c4ebf7 VisitNode（swift:：ASTContext*，swift:：Demangle:：Node*，VisitNodeResult&）+199
15 com.apple.LLDB.framework 0x0000000110c4eba0 VisitNode（swift:：ASTContext*，swift:：Demangle:：Node*，VisitNodeResult&）+112
16 com.apple.LLDB.framework 0x0000000110c4eba0 VisitNode（swift:：ASTContext*，swift:：Demangle:：Node*，VisitNodeResult&）+112
17 com.apple.LLDB.framework 0x0000000110c4eba0 VisitNode（swift:：ASTContext*，swift:：Demangle:：Node*，VisitNodeResult&）+112
18 com.apple.LLDB.framework 0x00000001105475c swift:：ide:：getTypeFromMangledSymbolname（swift:：ASTContext&，llvm:：StringRef，std:：_1:：basic_string&）+204
19 com.apple.LLDB.framework 0x000000011112ceda LLDB_private:：SwiftASTContext:：GetTypeFromMangledTypename（char const*，LLDB_private:：Error&）+532
20 com.apple.LLDB.framework 0x00000001114a5101 DWARFASTParserSwift:：ParseTypeFromDWARF（LLDB_private:：SymbolContext常量&，DWARFDIE常量&，LLDB_private:：Log*，bool*）+887
21 com.apple.LLDB.framework 0x00000001115c2623 SymbolFileDWARF:：ParseType（LLDB_private:：SymbolContext const&，DWARFDIE const&，bool*）+171
22 com.apple.LLDB.framework 0x00000001115bc33f SymbolFileDWARF:：GetTypeForDIE（DWARFDIE const&，bool）+369
23 com.apple.LLDB.framework 0x00000001115bbc6e SymbolFileDWARF:：ResolveType（DWARFDIE const&，bool，bool）+68
24 com.apple.LLDB.framework 0x00000001115bbbed SymbolFileDWARF:：ResolveTypeUID（无符号长）+45
25 com.apple.LLDB.framework 0x00000001116390d7 LLDB_private:：SymbolFileType:：GetType（）+51
26 com.apple.LLDB.framework 0x000000011147be4f LLDB_private:：ValueObjectVariable:：GetCompilerTypeImpl（）+21
27 com.apple.LLDB.framework 0x000000011146cf67 LLDB_private:：ValueObject:：MaybeCalculateCompleteType（）+39
28 com.apple.LLDB.framework 0x00000001114712dd LLDB_private:：ValueObject:：G