isl_ast_build_expr.c: extract out isl_ast_build_with_arguments
isl_ast_build_expr.c: extract out isl_ast_build_with_arguments

This new function will be useful for constructing member accesses.

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

KangDroidSMProject/ISL,inducer/isl-mirror,inducer/isl-mirror,KangDroidSMProject/ISL,BenzoSM/isl,tobig/isl,Meinersbur/isl,BenzoSM/isl,nicolasvasilache/isl,cfx-next/toolchain_isl-upstream,KangDroidSMProject/ISL,BobSaget-Mod/libisl,simbuerg/isl,PollyLabs/isl,nicolasvasilache/isl,crossbuild/isl,Distrotech/isl,BenzoSM/isl,KangDroidSMProject/ISL,SaberMod/isl-current,VanirLLVM/toolchain_isl,cfx-next/toolchain_isl-upstream,PollyLabs/isl,inducer/isl-mirror,PollyLabs/isl,evaautomation/isl,cfx-next/toolchain_isl-upstream,SaberMod/isl-current,cfx-next/toolchain_isl-upstream,BobSaget-Mod/libisl,abduld/isl,tobig/isl,cfx-next/toolchain_isl-upstream,Meinersbur/isl,UBERTC/isl,Distrotech/isl,VanirLLVM/toolchain_isl,inducer/isl-mirror,nicolasvasilache/isl,BobSaget-Mod/libisl,evaautomation/isl,BenzoSM/isl,abduld/isl,nicolasvasilache/isl,tobig/isl,simbuerg/isl,simbuerg/isl,Distrotech/isl,VanirLLVM/toolchain_isl,SaberMod/isl-current,jleben/isl,VanirLLVM/toolchain_isl,PollyLabs/isl,evaautomation/isl,Distrotech/isl,nicolasvasilache/isl,crossbuild/isl,VanirLLVM/toolchain_isl,simbuerg/isl,UBERTC/isl,UBERTC/isl,KangDroidSMProject/ISL,jleben/isl,jleben/isl,UBERTC/isl,abduld/isl,Meinersbur/isl,abduld/isl,jleben/isl,crossbuild/isl,simbuerg/isl,BobSaget-Mod/libisl,SaberMod/isl-current,tobig/isl,jleben/isl,Distrotech/isl,inducer/isl-mirror,crossbuild/isl,PollyLabs/isl,BobSaget-Mod/libisl,evaautomation/isl,BenzoSM/isl,Meinersbur/isl