Mingw 64 bit compiler error in iosdebugsupport.cpp

C:/repo/mingw-w64-qt-creator/src/qt-creator-opensource-src-3.0.0-rc1/src/plugins/ios/iosdebugsupport.cpp:165:68:

error: cast from 'Q_PID {aka _PROCESS_INFORMATION*}' to 'int' loses precision [-fpermissive]
         m_runControl->engine()->notifyEngineRemoteSetupDone(int(pid),
m_qmlPort);