{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"InstructionSetAttr::ArmA32"}]}
            InstructionSetAttr::ArmA32 => "-thumb-mode", // TODO(antoyo): support removing feature.
        .chain(codegen_fn_attrs.instruction_set.iter().map(|x| match *x {
            InstructionSetAttr::ArmT32 => "thumb-mode",