Add a test for bounds querying on buffers used in extern stages
Add a test for bounds querying on buffers used in extern stages

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