It should be possible, yes. Do you have a lldb backtrace? Here it is: :D thread #1: tid = 0x4c6d26, 0x057e19a8 libobjc.A.dylib`bool objc::DenseMapBase<objc::DenseMap<DisguisedPtr<objc_object>, unsigned long, true, objc::DenseMapInfo<DisguisedPtr<objc_object> > >, DisguisedPtr<objc_object>, unsigned...