rustc_codegen_ssa: Set architecture for object crate for 32-bit SPARC The `object` crate was recently updated to recognize the 32-bit SPARC ELF targets `EM_SPARC` and `EM_SPARC32PLUS`, so the proper architecture for 32-bit SPARC can now be set in `rustc_codegen_ssa`. r? nagisa
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.