Xcode崩溃解决

xcode4.5  崩溃 详细报告如下

Process:         Xcode [883]
Path:            /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier:      com.apple.dt.Xcode
Version:         4.5 (1839)
Build Info:      IDEApplication-1839000000000000~3
App Item ID:     497799835
App External ID: 10747437
Code Type:       X86-64 (Native)
Parent Process:  launchd [171]


Date/Time:       2012-10-04 14:53:34.748 +0300
OS Version:      Mac OS X 10.7.5 (11G56)
Report Version:  9


Interval Since Last Report:          2021 sec
Crashes Since Last Report:           9
Per-App Interval Since Last Report:  358 sec
Per-App Crashes Since Last Report:   9
Anonymous UUID:                      E9E2BB86-81A1-404E-90D8-B7F32880697C


Crashed Thread:  13  Dispatch queue: com.apple.root.default-priority


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


Application Specific Information:
ProductBuildVersion: 4G182
ASSERTION FAILURE in /SourceCache/IDEFoundation/IDEFoundation-1877/Framework/Classes/Model/SourceControl/IDESourceControlWorkspaceMonitor.m:1054
Details:  Attempted to add repository (IDESourceControlRepository) Name:..........

若删除 /Library/Developer/Xcode/DerivedData目录下文件 无效 

则直接打开终端，敲入如下命令：sudo mv /Applications/Xcode.app/Contents/PlugIns/IDESubversion.ideplugin /Applications/Xcode.app/Contents/PlugIns/IDESubversion.ideplugin.DISABLED   会提示输入口令 执行完毕后 重新启动Xcode 问题解决