private: bool __cdecl CReaderWriterLock2::_CmpExch(long, long) __ptr64

Mangled name

?_CmpExch@CReaderWriterLock2@@AEAA_NJJ@Z

Exported by

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