467     std::optional<ArgNo> SizeArgN;  member in __anon892b0c920111::StdLibraryFunctionsChecker::BufferSizeConstraint
479         : ValueConstraint(Buffer), SizeArgN(BufSize) {}  in BufferSizeConstraint()
481         : ValueConstraint(Buffer), SizeArgN(BufSize),  in BufferSizeConstraint()
498       if (SizeArgN)  in getArgsToTrack()
499         Result.push_back(*SizeArgN);  in getArgsToTrack()
1247     assert(SizeArgN && "The constraint must be either a concrete value or "  in apply()
1250     SVal SizeV = getArgSVal(Call, *SizeArgN);  in apply()
1255                                     Summary.getArgType(*SizeArgN));  in apply()
1284   } else if (SizeArgN) {  in describe()
1286     printArgDesc(*SizeArgN, Out);  in describe()
1287     printArgValueInfo(*SizeArgN, State, Call, Out);  in describe()