{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"///"}]}
    /// function "used", making it eligible to emit an associated covfun record.
    /// This has the side-effect of causing coverage codegen to consider this
    fn ensure_pgo_func_name_var(&self, instance: Instance<'tcx>) -> &'ll llvm::Value {