Fix side effects test to have a dependence on all results from extern call
Fix side effects test to have a dependence on all results from extern call

Otherwise llvm is clever and only does the last one.

psuriana/Halide,aam/Halide,jiawen/Halide,ronen/Halide,kgnk/Halide,rodrigob/Halide,myrtleTree33/Halide,adasworks/Halide,myrtleTree33/Halide,adasworks/Halide,psuriana/Halide,dan-tull/Halide,fengzhyuan/Halide,fengzhyuan/Halide,dan-tull/Halide,kgnk/Halide,fengzhyuan/Halide,fengzhyuan/Halide,kenkuang1213/Halide,kgnk/Halide,adasworks/Halide,myrtleTree33/Halide,kenkuang1213/Halide,mikeseven/Halide,rodrigob/Halide,mcanthony/Halide,kgnk/Halide,damienfir/Halide,gchauras/Halide,adasworks/Halide,aam/Halide,dan-tull/Halide,smxlong/Halide,gchauras/Halide,psuriana/Halide,dougkwan/Halide,ronen/Halide,kenkuang1213/Halide,ayanazmat/Halide,delcypher/Halide,smxlong/Halide,lglucin/Halide,kenkuang1213/Halide,jiawen/Halide,ayanazmat/Halide,delcypher/Halide,rodrigob/Halide,lglucin/Halide,mikeseven/Halide,myrtleTree33/Halide,damienfir/Halide,dan-tull/Halide,dougkwan/Halide,delcypher/Halide,rodrigob/Halide,delcypher/Halide,mcanthony/Halide,fengzhyuan/Halide,kenkuang1213/Halide,dougkwan/Halide,lglucin/Halide,jiawen/Halide,rodrigob/Halide,gchauras/Halide,delcypher/Halide,smxlong/Halide,rodrigob/Halide,rodrigob/Halide,smxlong/Halide,ronen/Halide,damienfir/Halide,tdenniston/Halide,dougkwan/Halide,damienfir/Halide,dan-tull/Halide,myrtleTree33/Halide,ayanazmat/Halide,tdenniston/Halide,myrtleTree33/Halide,mikeseven/Halide,damienfir/Halide,aam/Halide,smxlong/Halide,rodrigob/Halide,mcanthony/Halide,smxlong/Halide,delcypher/Halide,kenkuang1213/Halide,mcanthony/Halide,kgnk/Halide,ronen/Halide,dan-tull/Halide,tdenniston/Halide,aam/Halide,gchauras/Halide,kenkuang1213/Halide,ayanazmat/Halide,myrtleTree33/Halide,gchauras/Halide,lglucin/Halide,adasworks/Halide,ayanazmat/Halide,dougkwan/Halide,ronen/Halide,ayanazmat/Halide,mikeseven/Halide,mcanthony/Halide,ronen/Halide,mikeseven/Halide,lglucin/Halide,myrtleTree33/Halide,dougkwan/Halide,mcanthony/Halide,mcanthony/Halide,tdenniston/Halide,jiawen/Halide,smxlong/Halide,jiawen/Halide,kenkuang1213/Halide,ronen/Halide,aam/Halide,damienfir/Halide,aam/Halide,fengzhyuan/Halide,tdenniston/Halide,tdenniston/Halide,fengzhyuan/Halide,ayanazmat/Halide,aam/Halide,mcanthony/Halide,dougkwan/Halide,ayanazmat/Halide,adasworks/Halide,damienfir/Halide,delcypher/Halide,tdenniston/Halide,adasworks/Halide,dan-tull/Halide,dougkwan/Halide,lglucin/Halide,psuriana/Halide,fengzhyuan/Halide,psuriana/Halide,psuriana/Halide,jiawen/Halide,kgnk/Halide,psuriana/Halide,damienfir/Halide,smxlong/Halide,kgnk/Halide,kgnk/Halide,lglucin/Halide,delcypher/Halide,dan-tull/Halide,jiawen/Halide,gchauras/Halide,tdenniston/Halide,ronen/Halide,adasworks/Halide