{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"//"}]}
    // Skip crate items and just output metadata in -Z no-codegen mode.
) -> OngoingCodegen<B> {
    if tcx.sess.opts.unstable_opts.no_codegen || !tcx.sess.opts.output_types.should_codegen() {