{"ast_node_type":"other","tokens":[{"end":35,"kind":"keyword","start":0,"text":")"}]}
) -> (Type<'gcc>, Function<'gcc>) {
    codegen: &mut dyn FnMut(Builder<'a, 'gcc, 'tcx>),
    let fn_abi = cx.fn_abi_of_fn_ptr(rust_fn_sig, ty::List::empty());