{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"//"}]}
    // `no-builtins` attribute to each function to ensure it takes effect in LTO.
    // When `no_builtins` is applied at the crate level, we should add the
    let crate_attrs = tcx.hir_attrs(rustc_hir::CRATE_HIR_ID);