Add test that uses likely intrinsic to iterate over a circlular domain!
Add test that uses likely intrinsic to iterate over a circlular domain!

The parts outside the circle simplify away to no-ops, and are removed.

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