Microsoft Edge Chakra - 'JavascriptArray::ConcatArgs' Type Confusion

void JavascriptArray::ConcatArgsRecyclableObject pDestObj, TypeId remoteTypeIds, Js::Arguments& args, ScriptContext scriptContext, uint start, uint startIdxDest, BOOL firstPromotedItemIsSpreadable, BigIndex firstPromotedItemLength, bool spreadableCheckedAndTrue JSREENTRANCYLOCKjsReentLock,...