xcode 5.x 编译能通过 运行崩溃报如下错误 升级OS X 到10.9.2就OK了，具体原因不明

Process:         Xcode [8084]
Path:            /Applications/Xcode.app/Contents/MacOS/Xcode
Identifier:      com.apple.dt.Xcode
Version:         5.1 (5084)
Build Info:      IDEFrameworks-5084000000000000~21
App Item ID:     497799835
App External ID: 444172641
Code Type:       X86-64 (Native)
Parent Process:  launchd [189]
Responsible:     Xcode [8084]
User ID:         294396280

Date/Time:       2014-04-03 14:57:52.981 -0600
OS Version:      Mac OS X 10.9.2 (13C64)
Report Version:  11
Anonymous UUID:  5BFD5C24-5465-3BC8-137A-4BF1A8D48B38

Sleep/Wake UUID: F94AB6A7-9517-4F94-93DA-CC2C9154C8A7

Crashed Thread:  30  DBGLLDBSessionThread

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

Application Specific Information:
ProductBuildVersion: 5B130a
Assertion failed: (!isNull() && "Cannot retrieve a NULL type pointer"), function getCommonPtr, file /SourceCache/lldb/lldb-310.2.36/llvm/tools/clang/include/clang/AST/Type.h, line 547.