make AqlCallStack slightly cheaper (#12553)
make AqlCallStack slightly cheaper (#12553)


graetzer/arangodb,arangodb/arangodb,arangodb/arangodb,wiltonlazary/arangodb,graetzer/arangodb,Simran-B/arangodb,graetzer/arangodb,graetzer/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,Simran-B/arangodb,Simran-B/arangodb,wiltonlazary/arangodb,arangodb/arangodb,graetzer/arangodb,wiltonlazary/arangodb,wiltonlazary/arangodb,arangodb/arangodb,graetzer/arangodb,graetzer/arangodb,arangodb/arangodb,Simran-B/arangodb,graetzer/arangodb,wiltonlazary/arangodb,Simran-B/arangodb,graetzer/arangodb,wiltonlazary/arangodb,arangodb/arangodb,Simran-B/arangodb,Simran-B/arangodb,graetzer/arangodb,graetzer/arangodb,graetzer/arangodb,graetzer/arangodb,arangodb/arangodb,graetzer/arangodb,Simran-B/arangodb,Simran-B/arangodb,Simran-B/arangodb,arangodb/arangodb