dyld: Symbol not found: _objc_debug_taggedpointer_obfuscator
Referenced from: /usr/lib/system/libxpc.dylib
Expected in: /Users/xxxx/Library/Developer/Xcode/DerivedData/objc-ccgnoycdykfcdtfetssxtbpuvizg/Build/Products/Debug/libobjc.A.dylib
in /usr/lib/system/libxpc.dylib
dyld: Symbol not found: _objc_debug_taggedpointer_obfuscator Referenced from: /usr/lib/system/libxpc.dylib Expected in: /Users/xxxx/Library/Developer/Xcode/DerivedData/objc-ccgnoycdykfcdtfetssxtbpuvizg/Build/Products/Debug/libobjc.A.dylib in /usr/lib/system/libxpc.dylib