{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"let"}]}
        let no_return = llvm::AttributeKind::NoReturn.create_attr(cx.llcx);
        // -> ! DIFlagNoReturn
        attributes::apply_to_llfn(llfn, llvm::AttributePlace::Function, &[no_return]);