private: void __cdecl CReaderWriterLock3::_ReadLockSpin(enum CReaderWriterLock3::SPIN_TYPE) __ptr64

Mangled name

?_ReadLockSpin@CReaderWriterLock3@@AEAAXW4SPIN_TYPE@1@@Z

Exported by

size	filename	version
746256	webengine.dll	2.0.50727.5459 (Win7SP1GDR.050727-5400)