[benchmark] Extract setup from ArrayInClass
[benchmark] Extract setup from ArrayInClass

ArrayInClass had setup overhead of 88 μs (17%).

hooman/swift,apple/swift,amraboelela/swift,rudkx/swift,alblue/swift,danielmartin/swift,roambotics/swift,allevato/swift,gregomni/swift,lorentey/swift,harlanhaskins/swift,harlanhaskins/swift,atrick/swift,shajrawi/swift,devincoughlin/swift,rudkx/swift,roambotics/swift,alblue/swift,glessard/swift,roambotics/swift,gregomni/swift,aschwaighofer/swift,jmgc/swift,jmgc/swift,hooman/swift,jmgc/swift,harlanhaskins/swift,devincoughlin/swift,airspeedswift/swift,practicalswift/swift,practicalswift/swift,alblue/swift,alblue/swift,CodaFi/swift,aschwaighofer/swift,xedin/swift,amraboelela/swift,allevato/swift,parkera/swift,airspeedswift/swift,JGiola/swift,jckarter/swift,xedin/swift,karwa/swift,xwu/swift,airspeedswift/swift,CodaFi/swift,sschiau/swift,hooman/swift,xedin/swift,JGiola/swift,gregomni/swift,alblue/swift,parkera/swift,sschiau/swift,CodaFi/swift,ahoppen/swift,jckarter/swift,tkremenek/swift,alblue/swift,atrick/swift,jckarter/swift,austinzheng/swift,gribozavr/swift,tkremenek/swift,hooman/swift,austinzheng/swift,jckarter/swift,allevato/swift,gregomni/swift,roambotics/swift,gregomni/swift,amraboelela/swift,hooman/swift,nathawes/swift,parkera/swift,allevato/swift,sschiau/swift,glessard/swift,CodaFi/swift,amraboelela/swift,devincoughlin/swift,lorentey/swift,shahmishal/swift,nathawes/swift,benlangmuir/swift,danielmartin/swift,apple/swift,amraboelela/swift,CodaFi/swift,rudkx/swift,harlanhaskins/swift,amraboelela/swift,stephentyrone/swift,jckarter/swift,stephentyrone/swift,glessard/swift,ahoppen/swift,karwa/swift,xwu/swift,lorentey/swift,karwa/swift,devincoughlin/swift,jmgc/swift,allevato/swift,practicalswift/swift,xedin/swift,sschiau/swift,xwu/swift,nathawes/swift,devincoughlin/swift,gribozavr/swift,lorentey/swift,jmgc/swift,rudkx/swift,glessard/swift,gribozavr/swift,ahoppen/swift,jckarter/swift,apple/swift,danielmartin/swift,airspeedswift/swift,shajrawi/swift,practicalswift/swift,atrick/swift,aschwaighofer/swift,lorentey/swift,practicalswift/swift,CodaFi/swift,harlanhaskins/swift,gribozavr/swift,karwa/swift,parkera/swift,apple/swift,benlangmuir/swift,rudkx/swift,roambotics/swift,hooman/swift,gribozavr/swift,gribozavr/swift,ahoppen/swift,gribozavr/swift,shahmishal/swift,devincoughlin/swift,benlangmuir/swift,practicalswift/swift,xedin/swift,nathawes/swift,stephentyrone/swift,austinzheng/swift,tkremenek/swift,shajrawi/swift,xedin/swift,benlangmuir/swift,karwa/swift,nathawes/swift,jckarter/swift,austinzheng/swift,gribozavr/swift,parkera/swift,harlanhaskins/swift,danielmartin/swift,practicalswift/swift,glessard/swift,shahmishal/swift,jmgc/swift,sschiau/swift,nathawes/swift,austinzheng/swift,lorentey/swift,xwu/swift,lorentey/swift,shajrawi/swift,roambotics/swift,karwa/swift,alblue/swift,sschiau/swift,aschwaighofer/swift,shahmishal/swift,karwa/swift,danielmartin/swift,tkremenek/swift,parkera/swift,shajrawi/swift,shahmishal/swift,apple/swift,gregomni/swift,allevato/swift,shajrawi/swift,amraboelela/swift,shajrawi/swift,shajrawi/swift,stephentyrone/swift,karwa/swift,stephentyrone/swift,shahmishal/swift,parkera/swift,aschwaighofer/swift,tkremenek/swift,jmgc/swift,parkera/swift,shahmishal/swift,airspeedswift/swift,JGiola/swift,CodaFi/swift,hooman/swift,benlangmuir/swift,nathawes/swift,austinzheng/swift,glessard/swift,xedin/swift,danielmartin/swift,practicalswift/swift,stephentyrone/swift,tkremenek/swift,devincoughlin/swift,lorentey/swift,austinzheng/swift,ahoppen/swift,JGiola/swift,JGiola/swift,aschwaighofer/swift,xwu/swift,stephentyrone/swift,ahoppen/swift,xwu/swift,xwu/swift,benlangmuir/swift,atrick/swift,shahmishal/swift,tkremenek/swift,harlanhaskins/swift,airspeedswift/swift,danielmartin/swift,atrick/swift,atrick/swift,sschiau/swift,devincoughlin/swift,allevato/swift,aschwaighofer/swift,apple/swift,airspeedswift/swift,sschiau/swift,rudkx/swift,JGiola/swift,xedin/swift