isl_ast_codegen.c: generate_components: fix error handling
isl_ast_codegen.c: generate_components: fix error handling

Signed-off-by: Sven Verdoolaege <e5350bbed4977f5eb8ae1dc6abd9ae59d21ace75@kotnet.org>

Meinersbur/isl,Meinersbur/isl,KangDroidSMProject/ISL,inducer/isl-mirror,PollyLabs/isl,inducer/isl-mirror,simbuerg/isl,inducer/isl-mirror,crossbuild/isl,KangDroidSMProject/ISL,SaberMod/isl-current,abduld/isl,UBERTC/isl,simbuerg/isl,crossbuild/isl,BenzoSM/isl,KangDroidSMProject/ISL,inducer/isl-mirror,abduld/isl,tobig/isl,nicolasvasilache/isl,BenzoSM/isl,KangDroidSMProject/ISL,Meinersbur/isl,nicolasvasilache/isl,evaautomation/isl,tobig/isl,Distrotech/isl,Distrotech/isl,Meinersbur/isl,jleben/isl,inducer/isl-mirror,SaberMod/isl-current,Distrotech/isl,crossbuild/isl,SaberMod/isl-current,PollyLabs/isl,evaautomation/isl,KangDroidSMProject/ISL,evaautomation/isl,nicolasvasilache/isl,UBERTC/isl,UBERTC/isl,simbuerg/isl,PollyLabs/isl,jleben/isl,abduld/isl,jleben/isl,jleben/isl,nicolasvasilache/isl,tobig/isl,abduld/isl,PollyLabs/isl,simbuerg/isl,crossbuild/isl,BenzoSM/isl,BenzoSM/isl,Distrotech/isl,simbuerg/isl,jleben/isl,tobig/isl,evaautomation/isl,Distrotech/isl,nicolasvasilache/isl,BenzoSM/isl,SaberMod/isl-current,UBERTC/isl,PollyLabs/isl